#371f7d

Color #371f7d

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 7.13 Nearest Tailwind class indigo-900 #312c85 · ΔE 4

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Conversions

HEX

#371f7d

RGB

rgb(55, 31, 125)

HSL

hsl(255.3, 60.3%, 30.6%)

HSV / HSB

hsv(255.3, 75.2%, 49%)

CMYK

cmyk(56%, 75.2%, 0%, 51%)

LAB

lab(21.1, 36.53, -49.2)

LCH

lch(21.1, 61.28, 306.59)

OKLCH

oklch(33.6%, 0.1481, 287.2)

HWB

hwb(255.3, 12.2%, 51%)

Harmony colors

Complementary

#657d1f

Analogous

#1f367d

#371f7d

#661f7d

Triadic

#371f7d

#7d371f

#1f7d37

Split-complementary

#371f7d

#7d661f

#367d1f

Tetradic

#371f7d

#7d1f65

#657d1f

#1f7d37

Square

#371f7d

#7d1f36

#657d1f

#1f7d66

Shades

Color #371f7d mixed toward black.

#2e1a68

#251553

#1b0f3f

#120a2a

#090515

Tints

Color #371f7d mixed toward white.

#4c2bac

#6642d0

#8c71dc

#b3a0e8

#d9d0f3

Tones

Color #371f7d mixed toward gray.

#3b2775

#3f2f6d

#433766

#463e5e

#4a4656

Accessibility

Aa White text on this color

12.69:1

Aa Black text on this color

1.65:1

White text reads better on this background (12.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2e6f · ΔE 6.3

Deuteranopia

#30316b · ΔE 7.7

Tritanopia

#36625f · ΔE 31.7

Achromatopsia

#333333 · ΔE 26

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

Code

CSS

background-color: #371f7d;

Tailwind (arbitrary value)

bg-[#371f7d]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Navy #000080

Frequently asked questions

#371f7d (#371f7d) is rgb(55, 31, 125) in RGB.

No, #371f7d is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #371f7d, or check how it holds up for accessibility.

Generate a palette → Check contrast