#403f4f

Color #403f4f

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 7.8 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 4.8

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Conversions

HEX

#403f4f

RGB

rgb(64, 63, 79)

HSL

hsl(243.8, 11.3%, 27.8%)

HSV / HSB

hsv(243.8, 20.3%, 31%)

CMYK

cmyk(19%, 20.3%, 0%, 69%)

LAB

lab(27.32, 4.32, -9.49)

LCH

lch(27.32, 10.43, 294.48)

OKLCH

oklch(37.5%, 0.0272, 287.77)

HWB

hwb(243.8, 24.7%, 69%)

Harmony colors

Complementary

#4e4f3f

Analogous

#3f464f

#403f4f

#483f4f

Triadic

#403f4f

#4f403f

#3f4f40

Split-complementary

#403f4f

#4f483f

#464f3f

Tetradic

#403f4f

#4f3f4e

#4e4f3f

#3f4f40

Square

#403f4f

#4f3f46

#4e4f3f

#3f4f48

Shades

Color #403f4f mixed toward black.

#353442

#2b2a35

#201f27

#15151a

#0b0a0d

Tints

Color #403f4f mixed toward white.

#5c5a71

#787692

#9a99ad

#bcbbc9

#dddde4

Tones

Color #403f4f mixed toward gray.

#41404e

#42424c

#43434b

#45444a

#464648

Accessibility

Aa White text on this color

10.28:1

Aa Black text on this color

2.04:1

White text reads better on this background (10.28:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#40404b · ΔE 2.7

Deuteranopia

#40404b · ΔE 2.7

Tritanopia

#404948 · ΔE 12.6

Achromatopsia

#414141 · ΔE 9.1

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

Code

CSS

background-color: #403f4f;

Tailwind (arbitrary value)

bg-[#403f4f]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#403f4f (#403f4f) is rgb(64, 63, 79) in RGB.

No, #403f4f 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 #403f4f, or check how it holds up for accessibility.

Generate a palette → Check contrast