#402a71

Color #402a71

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 8.84 Nearest Tailwind class indigo-900 #312c85 · ΔE 5.2

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

Conversions

HEX

#402a71

RGB

rgb(64, 42, 113)

HSL

hsl(258.6, 45.8%, 30.4%)

HSV / HSB

hsv(258.6, 62.8%, 44.3%)

CMYK

cmyk(43.4%, 62.8%, 0%, 55.7%)

LAB

lab(23.47, 28.11, -37.64)

LCH

lch(23.47, 46.98, 306.75)

OKLCH

oklch(35.2%, 0.1172, 293.81)

HWB

hwb(258.6, 16.5%, 55.7%)

Harmony colors

Complementary

#5b712a

Analogous

#2a3871

#402a71

#642a71

Triadic

#402a71

#71402a

#2a7140

Split-complementary

#402a71

#71642a

#38712a

Tetradic

#402a71

#712a5b

#5b712a

#2a7140

Square

#402a71

#712a38

#5b712a

#2a7164

Shades

Color #402a71 mixed toward black.

#35235e

#2b1c4b

#201539

#150e26

#0b0713

Tints

Color #402a71 mixed toward white.

#583a9c

#7452bf

#977ecf

#baa9df

#dcd4ef

Tones

Color #402a71 mixed toward gray.

#42306b

#453665

#473c5f

#494259

#4b4853

Accessibility

Aa White text on this color

11.75:1

Aa Black text on this color

1.79:1

White text reads better on this background (11.75:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#383765 · ΔE 6.8

Deuteranopia

#393a62 · ΔE 8.4

Tritanopia

#3f5b58 · ΔE 27.6

Achromatopsia

#383838 · ΔE 23.6

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

Code

CSS

background-color: #402a71;

Tailwind (arbitrary value)

bg-[#402a71]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#402a71 (#402a71) is rgb(64, 42, 113) in RGB.

No, #402a71 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 #402a71, or check how it holds up for accessibility.

Generate a palette → Check contrast