Color detail

Blue
#3D1FB2

Blue (#3D1FB2) with RGB(61, 31, 178) and HSL(252, 70%, 41%). Suitable for modern interface themes, branding accents, and design systems.

IndigoCorecool

Generate harmony

Interactive

UI Sandbox

Project Dashboard

Active theme: Blue

Values

Production-ready color values

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

HEX

#3D1FB2

RGB

rgb(61, 31, 178)

HSL

hsl(252, 70%, 41%)

HSV

hsv(252, 83%, 70%)

CMYK

cmyk(66%, 83%, 0%, 30%)

Decimal

4005810

Contrast

Accessibility checks

On white

10.31:1

On black

2.04:1

Shades

Tonal scale

#0C0623 #160B41 #25136C #341B98 #4322C3 #5C3CDD #8067E4 #9D8AEA #BEB1F1 #DED8F8

90080070060050040030020010050

Accessibility

Contrast Audit

On White

WCAG AA PASS

Text

10.31:1

On Black

FAIL

Text

2.04:1

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

#3D1FB2 #94B21F

Triadic

Open palette

#3D1FB2 #B23D1F #1FB23D

Analogous

Open palette

#1F4BB2 #1F27B2 #3D1FB2 #611FB2 #861FB2

Split complementary

Open palette

#3D1FB2 #B2861F #4BB21F

Tetradic

Open palette

#3D1FB2 #B21F4B #94B21F #1FB286

Monochromatic

Open palette

#1E0F57 #341B98 #4A26D9 #8067E4 #B7A8F0

Analysis

Design expert profile

Detailed psychological and professional strategy for this specific tone.

Blue (#3D1FB2) with RGB(61, 31, 178) and HSL(252, 70%, 41%). Suitable for modern interface themes, branding accents, and design systems.

indigocorecoolhex-3d1fb2h-252s-70l-41

Region

Language

English Español

Developer Handoff

Copy for any framework

CSS

/* Blue */
color: #3D1FB2;
background-color: #3D1FB2;
border-color: #3D1FB2;
box-shadow: 0 4px 24px #3d1fb240;

Tailwind CSS

bg-[#3D1FB2] text-[#3D1FB2] border-[#3D1FB2] ring-[#3D1FB2]

SwiftUI

Color(red: 0.239, green: 0.122, blue: 0.698)

Flutter / Dart

Color(0xFF3D1FB2)

Android XML

<color name="blue">#3D1FB2</color>

React Native

{ color: '#3D1FB2' }

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

About

About Blue

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

Meaning

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

Applications

Blue (#3D1FB2) with RGB(61, 31, 178) and HSL(252, 70%, 41%). Suitable for modern interface themes, branding accents, and design systems. It performs better as text or iconography on lighter contexts when paired carefully.

Family

Indigo

Tone

Core

Temperature

cool

Keywords

indigo, core, cool, hex-3d1fb2, h-252, s-70

Conversion

Color conversions

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

HEX

#3D1FB2

RGB

rgb(61, 31, 178)

HSL

hsl(252, 70%, 41%)

HSV

hsv(252, 83%, 70%)

CMYK

cmyk(66%, 83%, 0%, 30%)

Variations

Shades and tonal variations

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

#0C0623 #160B41 #25136C #341B98 #4322C3 #5C3CDD #8067E4 #9D8AEA #BEB1F1 #DED8F8

900

#0C0623

800

#160B41

700

#25136C

600

#341B98

500

#4322C3

400

#5C3CDD

Color harmonies

Harmony-based palette routes

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

Complementary

Open palette

#3D1FB2 #94B21F

Triadic

Open palette

#3D1FB2 #B23D1F #1FB23D

Analogous

Open palette

#1F4BB2 #1F27B2 #3D1FB2 #611FB2 #861FB2

Split complementary

Open palette

#3D1FB2 #B2861F #4BB21F

Tetradic

Open palette

#3D1FB2 #B21F4B #94B21F #1FB286

Monochromatic

Open palette

#1E0F57 #341B98 #4A26D9 #8067E4 #B7A8F0

Blindness simulator

Color blindness preview

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

Protanopia

#30308E

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

Deuteranopia

#323486

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

Tritanopia

#3B726C

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

10.31:1

AAA passes for normal text.

On black

2.04:1

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

Blue

Closest standard CSS name to #3D1FB2 for developer-friendly reference and docs.

Design token

--color-indigo-core

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 #3D1FB2 as the core value.

HSL token

252 70% 41%

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.

Blue#3D1FB2

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

Blue

Nearby named colors

About 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

Blue
#3D1FB2