#331f7d

Color #331f7d

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 6.4 Nearest Tailwind class indigo-900 #312c85 · ΔE 3.7

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Conversions

HEX

#331f7d

RGB

rgb(51, 31, 125)

HSL

hsl(252.8, 60.3%, 30.6%)

HSV / HSB

hsv(252.8, 75.2%, 49%)

CMYK

cmyk(59.2%, 75.2%, 0%, 51%)

LAB

lab(20.69, 35.9, -49.89)

LCH

lch(20.69, 61.46, 305.74)

OKLCH

oklch(33.2%, 0.1484, 284.67)

HWB

hwb(252.8, 12.2%, 51%)

Harmony colors

Complementary

#697d1f

Analogous

#1f3a7d

#331f7d

#621f7d

Triadic

#331f7d

#7d331f

#1f7d33

Split-complementary

#331f7d

#7d621f

#3a7d1f

Tetradic

#331f7d

#7d1f69

#697d1f

#1f7d33

Square

#331f7d

#7d1f3a

#697d1f

#1f7d62

Shades

Color #331f7d mixed toward black.

#2b1a68

#221553

#1a0f3f

#110a2a

#090515

Tints

Color #331f7d mixed toward white.

#462bac

#6042d0

#8871dc

#b0a0e8

#d7d0f3

Tones

Color #331f7d mixed toward gray.

#382775

#3c2f6d

#413766

#453e5e

#4a4656

Accessibility

Aa White text on this color

12.86:1

Aa Black text on this color

1.63:1

White text reads better on this background (12.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2b6f · ΔE 5.3

Deuteranopia

#2d2e6b · ΔE 6.8

Tritanopia

#32625f · ΔE 32.2

Achromatopsia

#323232 · ΔE 26

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

Code

CSS

background-color: #331f7d;

Tailwind (arbitrary value)

bg-[#331f7d]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#331f7d (#331f7d) is rgb(51, 31, 125) in RGB.

No, #331f7d 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 #331f7d, or check how it holds up for accessibility.

Generate a palette → Check contrast