#231e5b

Color #231e5b

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 16.63 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 2.8

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

Conversions

HEX

#231e5b

RGB

rgb(35, 30, 91)

HSL

hsl(244.9, 50.4%, 23.7%)

HSV / HSB

hsv(244.9, 67%, 35.7%)

CMYK

cmyk(61.5%, 67%, 0%, 64.3%)

LAB

lab(15.7, 22.16, -35.96)

LCH

lch(15.7, 42.24, 301.64)

OKLCH

oklch(28.2%, 0.1052, 280.96)

HWB

hwb(244.9, 11.8%, 64.3%)

Harmony colors

Complementary

#565b1e

Analogous

#1e375b

#231e5b

#411e5b

Triadic

#231e5b

#5b231e

#1e5b23

Split-complementary

#231e5b

#5b411e

#375b1e

Tetradic

#231e5b

#5b1e56

#565b1e

#1e5b23

Square

#231e5b

#5b1e37

#565b1e

#1e5b41

Shades

Color #231e5b mixed toward black.

#1d194c

#17143d

#110f2d

#0c0a1e

#06050f

Tints

Color #231e5b mixed toward white.

#362e8c

#483ebc

#756dcf

#a39ddf

#d1ceef

Tones

Color #231e5b mixed toward gray.

#272356

#2b2851

#302d4c

#343247

#383742

Accessibility

Aa White text on this color

14.91:1

Aa Black text on this color

1.41:1

White text reads better on this background (14.91:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212151 · ΔE 3.1

Deuteranopia

#21224e · ΔE 4.1

Tritanopia

#234846 · ΔE 27.3

Achromatopsia

#272727 · ΔE 22.5

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

Code

CSS

background-color: #231e5b;

Tailwind (arbitrary value)

bg-[#231e5b]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#231e5b (#231e5b) is rgb(35, 30, 91) in RGB.

No, #231e5b 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 #231e5b, or check how it holds up for accessibility.

Generate a palette → Check contrast