#231d41

Color #231d41

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 26.56 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.4

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

Conversions

HEX

#231d41

RGB

rgb(35, 29, 65)

HSL

hsl(250, 38.3%, 18.4%)

HSV / HSB

hsv(250, 55.4%, 25.5%)

CMYK

cmyk(46.2%, 55.4%, 0%, 74.5%)

LAB

lab(13.34, 13.54, -21.99)

LCH

lch(13.34, 25.82, 301.62)

OKLCH

oklch(25.8%, 0.0657, 288.55)

HWB

hwb(250, 11.4%, 74.5%)

Harmony colors

Complementary

#3b411d

Analogous

#1d2941

#231d41

#351d41

Triadic

#231d41

#41231d

#1d4123

Split-complementary

#231d41

#41351d

#29411d

Tetradic

#231d41

#411d3b

#3b411d

#1d4123

Square

#231d41

#411d29

#3b411d

#1d4135

Shades

Color #231d41 mixed toward black.

#1d1836

#17132b

#110e20

#0c0a16

#06050b

Tints

Color #231d41 mixed toward white.

#3d3271

#5748a1

#7c6fbf

#a89fd4

#d3cfea

Tones

Color #231d41 mixed toward gray.

#25203e

#27233b

#292638

#2b2935

#2d2c32

Accessibility

Aa White text on this color

15.87:1

Aa Black text on this color

1.32:1

White text reads better on this background (15.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#21203b · ΔE 3.7

Deuteranopia

#212139 · ΔE 5.1

Tritanopia

#233533 · ΔE 23.3

Achromatopsia

#222222 · ΔE 17.7

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

Code

CSS

background-color: #231d41;

Tailwind (arbitrary value)

bg-[#231d41]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#231d41 (#231d41) is rgb(35, 29, 65) in RGB.

No, #231d41 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 #231d41, or check how it holds up for accessibility.

Generate a palette → Check contrast