Color detail

Dark Soft Blue
#28308A

Dark Soft Blue (#28308A) con RGB(40, 48, 138) y HSL(235, 55%, 35%). Ideal para temas de interfaz modernos, acentos de marca y sistemas de diseño.

IndigoDarkcool

Generate harmony

Interactive

UI Sandbox

Project Dashboard

Active theme: Dark Soft Blue

Values

Production-ready color values

Copy formats for CSS, handoff docs, tokens, and implementation.

HEX

#28308A

RGB

rgb(40, 48, 138)

HSL

hsl(235, 55%, 35%)

HSV

hsv(235, 71%, 54%)

CMYK

cmyk(71%, 65%, 0%, 46%)

Decimal

2633866

Contrast

Accessibility checks

On white

11.17:1

On black

1.88:1

Shades

Tonal scale

#090B20 #11153B #1D2363 #28308A #343EB2 #4D58CB #757DD7 #949BE0 #B8BCEA #DBDEF5

90080070060050040030020010050

Accessibility

Contrast Audit

On White

WCAG AA PASS

Text

11.17:1

On Black

FAIL

Text

1.88:1

Vision

Simulator

protanopia

deuteranopia

tritanopia

Harmonies

Palette combinations from this base color

Open any harmony as a shareable palette route and keep refining from there.

Complementary

Open palette

#28308A #8A8228

Triadic

Open palette

#28308A #8A2830 #308A28

Analogous

Open palette

#28618A #28498A #28308A #39288A #51288A

Split complementary

Open palette

#28308A #8A5128 #618A28

Tetradic

Open palette

#28308A #8A2861 #8A8228 #288A51

Monochromatic

Open palette

#171C4F #28308A #3945C6 #757DD7 #B0B5E8

Analysis

Design expert profile

Detailed psychological and professional strategy for this specific tone.

Dark Soft Blue (#28308A) con RGB(40, 48, 138) y HSL(235, 55%, 35%). Ideal para temas de interfaz modernos, acentos de marca y sistemas de diseño.

indigodarkcoolhex-28308ah-235s-55l-35

Region

Language

English Español

Developer Handoff

Copy for any framework

CSS

/* Dark Soft Blue */
color: #28308A;
background-color: #28308A;
border-color: #28308A;
box-shadow: 0 4px 24px #28308a40;

Tailwind CSS

bg-[#28308A] text-[#28308A] border-[#28308A] ring-[#28308A]

SwiftUI

Color(red: 0.157, green: 0.188, blue: 0.541)

Flutter / Dart

Color(0xFF28308A)

Android XML

<color name="dark_soft_blue">#28308A</color>

React Native

{ color: '#28308A' }

Social Media

Share this color

Beautiful swatches optimized for Pinterest, Instagram, and design moodboards.

Tip: Screenshots of this card are optimized for Pinterest (4:5 ratio).

Related colors

Nearby named colors

Brand Match

Closest real-world color

Pantone

Classic Blue

PMS 19-4052 · #0F4C81

View this color →

About

About Dark Soft Blue

This section gives the same kind of richer color context you’d expect from a dedicated color reference page.

Meaning

Dark Soft Blue sits in the indigo family with a dark tone, so it holds enough weight for primary UI accents. It reads as calm, credible, and interface-friendly.

Applications

Dark Soft Blue (#28308A) con RGB(40, 48, 138) y HSL(235, 55%, 35%). Ideal para temas de interfaz modernos, acentos de marca y sistemas de diseño. It performs better as text or iconography on lighter contexts when paired carefully.

Family

Indigo

Tone

Dark

Temperature

cool

Keywords

indigo, dark, cool, hex-28308a, h-235, s-55

Conversion

Color conversions

Use these values in CSS, product docs, design tokens, and print-oriented workflows.

HEX

#28308A

RGB

rgb(40, 48, 138)

HSL

hsl(235, 55%, 35%)

HSV

hsv(235, 71%, 54%)

CMYK

cmyk(71%, 65%, 0%, 46%)

Variations

Shades and tonal variations

Build softer surfaces, deeper states, and a cleaner tonal system from the same base hue.

#090B20 #11153B #1D2363 #28308A #343EB2 #4D58CB #757DD7 #949BE0 #B8BCEA #DBDEF5

900

#090B20

800

#11153B

700

#1D2363

600

#28308A

500

#343EB2

400

#4D58CB

Color harmonies

Harmony-based palette routes

Move from a single color into full palette ideas based on common harmony systems.

Complementary

Open palette

#28308A #8A8228

Triadic

Open palette

#28308A #8A2830 #308A28

Analogous

Open palette

#28618A #28498A #28308A #39288A #51288A

Split complementary

Open palette

#28308A #8A5128 #618A28

Tetradic

Open palette

#28308A #8A2861 #8A8228 #288A51

Monochromatic

Open palette

#171C4F #28308A #3945C6 #757DD7 #B0B5E8

Blindness simulator

Color blindness preview

These simulations help you judge whether the color keeps enough identity across common color-vision variations.

Protanopia

#2B2C74

Red-sensitive cones are reduced, so warm reds and greens can collapse toward similar mid-tones.

Deuteranopia

#2B2A6F

Green-sensitive cones are reduced, which often compresses green and red distinctions.

Tritanopia

#28635F

Blue-sensitive cones are reduced, which shifts blues and yellows toward flatter blends.

Contrast checker

Accessibility contrast snapshots

Use these quick checks to understand where the color is more reliable for text, icons, and UI foregrounds.

On white

11.17:1

AAA passes for normal text.

On black

1.88:1

Fails normal and large text guidance.

Similar colors

Nearby color references

Use nearby colors when you want alternatives with a similar overall feel but a different hue or intensity.

Color libraries

Library-ready mappings

These mappings help you slot the color into CSS names, Tailwind-like scales, and semantic design tokens faster.

CSS named match

Dark Soft Blue

Closest standard CSS name to #28308A for developer-friendly reference and docs.

Design token

--color-indigo-dark

A token-friendly alias you can use in design systems, Tailwind maps, or CSS variables.

Tailwind-friendly scale

indigo-500

A naming pattern that fits Tailwind-style scale systems and keeps #28308A as the core value.

HSL token

235 55% 35%

Useful when your component library or theme layer stores semantic colors in HSL channels.

Color palettes

Palette ideas related to this color

These palette routes are pulled from the curated library based on RGB similarity, so you can branch into more complete systems quickly.

Dark Soft Blue#28308A

UI Sandbox

Production-ready color values

Accessibility checks

Tonal scale

Contrast Audit

Simulator

Palette combinations from this base color

Design expert profile

Language

Copy for any framework

Share this color

Dark Soft Blue

Nearby named colors

Closest real-world color

About Dark Soft Blue

Color conversions

Shades and tonal variations

Harmony-based palette routes

Color blindness preview

Accessibility contrast snapshots

Nearby color references

Library-ready mappings

Palette ideas related to this color

Dark Soft Blue
#28308A