#042a66

Color #042a66

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.67 Nearest Tailwind class blue-950 #162456 · ΔE 4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#042a66

RGB

rgb(4, 42, 102)

HSL

hsl(216.7, 92.5%, 20.8%)

HSV / HSB

hsv(216.7, 96.1%, 40%)

CMYK

cmyk(96.1%, 58.8%, 0%, 60%)

LAB

lab(18.54, 13.82, -38.68)

LCH

lch(18.54, 41.07, 289.66)

OKLCH

oklch(30.2%, 0.1136, 259.81)

HWB

hwb(216.7, 1.6%, 60%)

Harmony colors

Complementary

#664004

Analogous

#045b66

#042a66

#0f0466

Triadic

#042a66

#66042a

#2a6604

Split-complementary

#042a66

#660f04

#5b6604

Tetradic

#042a66

#400466

#664004

#2a6604

Square

#042a66

#66045b

#664004

#04660f

Shades

Color #042a66 mixed toward black.

#032355

#031c44

#021533

#010e22

#010711

Tints

Color #042a66 mixed toward white.

#0745a7

#095fe8

#3d85f7

#7daefa

#bed6fc

Tones

Color #042a66 mixed toward gray.

#0c2c5e

#142e56

#1d304e

#253145

#2d333d

Accessibility

Aa White text on this color

13.74:1

Aa Black text on this color

1.53:1

White text reads better on this background (13.74:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b5c · ΔE 6.7

Deuteranopia

#191659 · ΔE 8

Tritanopia

#085250 · ΔE 28

Achromatopsia

#2d2d2d · ΔE 21.7

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #042a66;

Tailwind (arbitrary value)

bg-[#042a66]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#042a66 (#042a66) is rgb(4, 42, 102) in RGB.

No, #042a66 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #042a66, or check how it holds up for accessibility.

Generate a palette → Check contrast