#3a4457

Color #3a4457

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 6.4 Nearest Tailwind class gray-700 #364153 · ΔE 1.3

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Conversions

HEX

#3a4457

RGB

rgb(58, 68, 87)

HSL

hsl(219.3, 20%, 28.4%)

HSV / HSB

hsv(219.3, 33.3%, 34.1%)

CMYK

cmyk(33.3%, 21.8%, 0%, 65.9%)

LAB

lab(28.7, 1.1, -12.65)

LCH

lch(28.7, 12.7, 274.97)

OKLCH

oklch(38.6%, 0.0351, 263.12)

HWB

hwb(219.3, 22.7%, 65.9%)

Harmony colors

Complementary

#574d3a

Analogous

#3a5257

#3a4457

#3e3a57

Triadic

#3a4457

#573a44

#44573a

Split-complementary

#3a4457

#573e3a

#52573a

Tetradic

#3a4457

#4d3a57

#574d3a

#44573a

Square

#3a4457

#573a52

#574d3a

#3a573e

Shades

Color #3a4457 mixed toward black.

#303948

#272d3a

#1d222b

#13171d

#0a0b0e

Tints

Color #3a4457 mixed toward white.

#52607b

#6d7e9e

#919eb6

#b6bece

#dadfe7

Tones

Color #3a4457 mixed toward gray.

#3c4554

#3f4552

#414650

#44474d

#46484b

Accessibility

Aa White text on this color

9.79:1

Aa Black text on this color

2.14:1

White text reads better on this background (9.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f53 · ΔE 5.3

Deuteranopia

#3e3d52 · ΔE 6.1

Tritanopia

#3b4f4f · ΔE 13

Achromatopsia

#444444 · ΔE 9.9

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

Code

CSS

background-color: #3a4457;

Tailwind (arbitrary value)

bg-[#3a4457]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3a4457 (#3a4457) is rgb(58, 68, 87) in RGB.

No, #3a4457 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 #3a4457, or check how it holds up for accessibility.

Generate a palette → Check contrast