#3a4257

Color #3a4257

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 8 Nearest Tailwind class gray-700 #364153 · ΔE 2.5

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Conversions

HEX

#3a4257

RGB

rgb(58, 66, 87)

HSL

hsl(223.4, 20%, 28.4%)

HSV / HSB

hsv(223.4, 33.3%, 34.1%)

CMYK

cmyk(33.3%, 24.1%, 0%, 65.9%)

LAB

lab(28.07, 2.41, -13.61)

LCH

lch(28.07, 13.82, 280.04)

OKLCH

oklch(38.1%, 0.0375, 268.32)

HWB

hwb(223.4, 22.7%, 65.9%)

Harmony colors

Complementary

#574f3a

Analogous

#3a5057

#3a4257

#403a57

Triadic

#3a4257

#573a42

#42573a

Split-complementary

#3a4257

#57403a

#50573a

Tetradic

#3a4257

#4f3a57

#574f3a

#42573a

Square

#3a4257

#573a50

#574f3a

#3a5740

Shades

Color #3a4257 mixed toward black.

#303748

#272c3a

#1d212b

#13161d

#0a0b0e

Tints

Color #3a4257 mixed toward white.

#525e7b

#6d7a9e

#919cb6

#b6bdce

#dadee7

Tones

Color #3a4257 mixed toward gray.

#3c4354

#3f4452

#414550

#44464d

#46474b

Accessibility

Aa White text on this color

10.02:1

Aa Black text on this color

2.1:1

White text reads better on this background (10.02:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3e3e52 · ΔE 3.9

Deuteranopia

#3d3d51 · ΔE 4

Tritanopia

#3a4f4e · ΔE 15.2

Achromatopsia

#424242 · ΔE 10.7

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

Code

CSS

background-color: #3a4257;

Tailwind (arbitrary value)

bg-[#3a4257]

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

#3a4257 (#3a4257) is rgb(58, 66, 87) in RGB.

No, #3a4257 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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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

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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 #3a4257, or check how it holds up for accessibility.

Generate a palette → Check contrast