#231c63

Color #231c63

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 10.18 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.5

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Conversions

HEX

#231c63

RGB

rgb(35, 28, 99)

HSL

hsl(245.9, 55.9%, 24.9%)

HSV / HSB

hsv(245.9, 71.7%, 38.8%)

CMYK

cmyk(64.6%, 71.7%, 0%, 61.2%)

LAB

lab(15.94, 26.4, -40.89)

LCH

lch(15.94, 48.67, 302.85)

OKLCH

oklch(28.7%, 0.1197, 280.15)

HWB

hwb(245.9, 11%, 61.2%)

Harmony colors

Complementary

#5c631c

Analogous

#1c3963

#231c63

#461c63

Triadic

#231c63

#63231c

#1c6323

Split-complementary

#231c63

#63461c

#39631c

Tetradic

#231c63

#631c5c

#5c631c

#1c6323

Square

#231c63

#631c39

#5c631c

#1c6346

Shades

Color #231c63 mixed toward black.

#1d1752

#171342

#110e31

#0c0921

#060510

Tints

Color #231c63 mixed toward white.

#352a95

#4638c7

#746ad5

#a29be3

#d1cdf1

Tones

Color #231c63 mixed toward gray.

#28225d

#2c2857

#312e51

#36344b

#3b3a45

Accessibility

Aa White text on this color

14.81:1

Aa Black text on this color

1.42:1

White text reads better on this background (14.81:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#202058 · ΔE 3.2

Deuteranopia

#212155 · ΔE 4.1

Tritanopia

#234e4b · ΔE 29.4

Achromatopsia

#282828 · ΔE 23.8

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

Code

CSS

background-color: #231c63;

Tailwind (arbitrary value)

bg-[#231c63]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#231c63 (#231c63) is rgb(35, 28, 99) in RGB.

No, #231c63 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.

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Contrast Checker

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

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Palette Generator

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

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Build something with this color

Generate a full palette from #231c63, or check how it holds up for accessibility.

Generate a palette → Check contrast