Color detail

Vibrant Deep Blue
#042448

Vibrant Deep Blue (#042448) with RGB(4, 36, 72) and HSL(212, 89%, 15%). Suitable for modern interface themes, branding accents, and design systems.

BlueDeepcool

Generate harmony

Interactive

UI Sandbox

Project Dashboard

Active theme: Vibrant Deep Blue

Values

Production-ready color values

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

HEX

#042448

RGB

rgb(4, 36, 72)

HSL

hsl(212, 89%, 15%)

HSV

hsv(212, 94%, 28%)

CMYK

cmyk(94%, 50%, 0%, 72%)

Decimal

271432

Contrast

Accessibility checks

On white

15.54:1

On black

1.35:1

Shades

Tonal scale

#021327 #042448 #073C78 #0A54A9 #0D6CD9 #2685F2 #56A0F5 #7DB6F7 #A8CEFA #D4E7FC

90080070060050040030020010050

Accessibility

Contrast Audit

On White

WCAG AA PASS

Text

15.54:1

On Black

FAIL

Text

1.35:1

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

#042448 #482904

Triadic

Open palette

#042448 #480424 #244804

Analogous

Open palette

#044648 #043548 #042448 #041348 #060448

Split complementary

Open palette

#042448 #480604 #464804

Tetradic

Open palette

#042448 #480446 #482904 #044806

Monochromatic

Open palette

#063060 #0A54A9 #0E78F1 #56A0F5 #9FC9F9

Analysis

Design expert profile

Detailed psychological and professional strategy for this specific tone.

Vibrant Deep Blue (#042448) with RGB(4, 36, 72) and HSL(212, 89%, 15%). Suitable for modern interface themes, branding accents, and design systems.

bluedeepcoolhex-042448h-212s-89l-15

Region

Language

English Español

Developer Handoff

Copy for any framework

CSS

/* Vibrant Deep Blue */
color: #042448;
background-color: #042448;
border-color: #042448;
box-shadow: 0 4px 24px #04244840;

Tailwind CSS

bg-[#042448] text-[#042448] border-[#042448] ring-[#042448]

SwiftUI

Color(red: 0.016, green: 0.141, blue: 0.282)

Flutter / Dart

Color(0xFF042448)

Android XML

<color name="vibrant_deep_blue">#042448</color>

React Native

{ color: '#042448' }

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

Sherwin-Williams

Tricorn Black

SW 6258 · #2B2B2D

View this color →

About

About Vibrant Deep Blue

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

Meaning

Vibrant Deep Blue sits in the blue family with a deep tone, so it grounds darker surfaces. It reads as calm, credible, and interface-friendly.

Applications

Vibrant Deep Blue (#042448) with RGB(4, 36, 72) and HSL(212, 89%, 15%). Suitable for modern interface themes, branding accents, and design systems. It performs better as text or iconography on lighter contexts when paired carefully.

Family

Blue

Tone

Deep

Temperature

cool

Keywords

blue, deep, cool, hex-042448, h-212, s-89

Conversion

Color conversions

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

HEX

#042448

RGB

rgb(4, 36, 72)

HSL

hsl(212, 89%, 15%)

HSV

hsv(212, 94%, 28%)

CMYK

cmyk(94%, 50%, 0%, 72%)

Variations

Shades and tonal variations

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

#021327 #042448 #073C78 #0A54A9 #0D6CD9 #2685F2 #56A0F5 #7DB6F7 #A8CEFA #D4E7FC

900

#021327

800

#042448

700

#073C78

600

#0A54A9

500

#0D6CD9

400

#2685F2

Color harmonies

Harmony-based palette routes

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

Complementary

Open palette

#042448 #482904

Triadic

Open palette

#042448 #480424 #244804

Analogous

Open palette

#044648 #043548 #042448 #041348 #060448

Split complementary

Open palette

#042448 #480604 #464804

Tetradic

Open palette

#042448 #480446 #482904 #044806

Monochromatic

Open palette

#063060 #0A54A9 #0E78F1 #56A0F5 #9FC9F9

Blindness simulator

Color blindness preview

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

Protanopia

#12123F

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

Deuteranopia

#100E3D

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

Tritanopia

#063837

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

15.54:1

AAA passes for normal text.

On black

1.35:1

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

Vibrant Deep Blue

Closest standard CSS name to #042448 for developer-friendly reference and docs.

Design token

--color-blue-deep

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

Tailwind-friendly scale

blue-500

A naming pattern that fits Tailwind-style scale systems and keeps #042448 as the core value.

HSL token

212 89% 15%

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.

Vibrant Deep Blue#042448

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