#3f4659

Color #3f4659

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 6.99 Nearest Tailwind class gray-700 #364153 · ΔE 2.9

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Conversions

HEX

#3f4659

RGB

rgb(63, 70, 89)

HSL

hsl(223.8, 17.1%, 29.8%)

HSV / HSB

hsv(223.8, 29.2%, 34.9%)

CMYK

cmyk(29.2%, 21.3%, 0%, 65.1%)

LAB

lab(29.81, 2.11, -12.21)

LCH

lch(29.81, 12.39, 279.8)

OKLCH

oklch(39.6%, 0.0335, 268.97)

HWB

hwb(223.8, 24.7%, 65.1%)

Harmony colors

Complementary

#59523f

Analogous

#3f5359

#3f4659

#453f59

Triadic

#3f4659

#593f46

#46593f

Split-complementary

#3f4659

#59453f

#53593f

Tetradic

#3f4659

#523f59

#59523f

#46593f

Square

#3f4659

#593f53

#59523f

#3f5945

Shades

Color #3f4659 mixed toward black.

#343a4a

#2a2f3b

#1f232c

#15171e

#0a0c0f

Tints

Color #3f4659 mixed toward white.

#58627c

#737e9c

#969eb5

#b9bfce

#dcdfe6

Tones

Color #3f4659 mixed toward gray.

#414757

#434855

#454952

#484a50

#4a4b4e

Accessibility

Aa White text on this color

9.41:1

Aa Black text on this color

2.23:1

White text reads better on this background (9.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#424255 · ΔE 3.7

Deuteranopia

#424154 · ΔE 4.2

Tritanopia

#3f5151 · ΔE 13.3

Achromatopsia

#464646 · ΔE 9.8

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

Code

CSS

background-color: #3f4659;

Tailwind (arbitrary value)

bg-[#3f4659]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3f4659 (#3f4659) is rgb(63, 70, 89) in RGB.

No, #3f4659 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 #3f4659, or check how it holds up for accessibility.

Generate a palette → Check contrast