#31237f

Color #31237f

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 6.09 Nearest Tailwind class indigo-900 #312c85 · ΔE 2.6

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Conversions

HEX

#31237f

RGB

rgb(49, 35, 127)

HSL

hsl(249.1, 56.8%, 31.8%)

HSV / HSB

hsv(249.1, 72.4%, 49.8%)

CMYK

cmyk(61.4%, 72.4%, 0%, 50.2%)

LAB

lab(21.53, 33.91, -49.79)

LCH

lch(21.53, 60.24, 304.26)

OKLCH

oklch(33.8%, 0.1467, 282.12)

HWB

hwb(249.1, 13.7%, 50.2%)

Harmony colors

Complementary

#717f23

Analogous

#23437f

#31237f

#5f237f

Triadic

#31237f

#7f3123

#237f31

Split-complementary

#31237f

#7f5f23

#437f23

Tetradic

#31237f

#7f2371

#717f23

#237f31

Square

#31237f

#7f2343

#717f23

#237f5f

Shades

Color #31237f mixed toward black.

#291d6a

#211755

#191240

#100c2a

#080615

Tints

Color #31237f mixed toward white.

#4330ad

#5d49cd

#8677d9

#aea4e6

#d7d2f2

Tones

Color #31237f mixed toward gray.

#362b77

#3c3270

#413a68

#464260

#4c4959

Accessibility

Aa White text on this color

12.52:1

Aa Black text on this color

1.68:1

White text reads better on this background (12.52:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2b71 · ΔE 4.2

Deuteranopia

#2c2d6d · ΔE 5.4

Tritanopia

#306461 · ΔE 32.4

Achromatopsia

#343434 · ΔE 25.8

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

Code

CSS

background-color: #31237f;

Tailwind (arbitrary value)

bg-[#31237f]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#31237f (#31237f) is rgb(49, 35, 127) in RGB.

No, #31237f 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 #31237f, or check how it holds up for accessibility.

Generate a palette → Check contrast