#3a4f66

Color #3a4f66

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 9.28 Nearest Tailwind class slate-600 #45556c · ΔE 3

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Conversions

HEX

#3a4f66

RGB

rgb(58, 79, 102)

HSL

hsl(211.4, 27.5%, 31.4%)

HSV / HSB

hsv(211.4, 43.1%, 40%)

CMYK

cmyk(43.1%, 22.5%, 0%, 60%)

LAB

lab(32.81, -1.43, -15.92)

LCH

lch(32.81, 15.98, 264.87)

OKLCH

oklch(42%, 0.0466, 251.21)

HWB

hwb(211.4, 22.7%, 60%)

Harmony colors

Complementary

#66513a

Analogous

#3a6566

#3a4f66

#3b3a66

Triadic

#3a4f66

#663a4f

#4f663a

Split-complementary

#3a4f66

#663b3a

#65663a

Tetradic

#3a4f66

#513a66

#66513a

#4f663a

Square

#3a4f66

#663a65

#66513a

#3a663b

Shades

Color #3a4f66 mixed toward black.

#304255

#273544

#1d2833

#131a22

#0a0d11

Tints

Color #3a4f66 mixed toward white.

#4f6c8b

#6a89aa

#8fa6c0

#b5c4d5

#dae1ea

Tones

Color #3a4f66 mixed toward gray.

#3e4f62

#414f5f

#45505b

#495057

#4c5054

Accessibility

Aa White text on this color

8.43:1

Aa Black text on this color

2.49:1

White text reads better on this background (8.43:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#444461 · ΔE 10.3

Deuteranopia

#434160 · ΔE 11.4

Tritanopia

#3b5d5c · ΔE 14.9

Achromatopsia

#4d4d4d · ΔE 11.8

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

Code

CSS

background-color: #3a4f66;

Tailwind (arbitrary value)

bg-[#3a4f66]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#3a4f66 (#3a4f66) is rgb(58, 79, 102) in RGB.

No, #3a4f66 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 #3a4f66, or check how it holds up for accessibility.

Generate a palette → Check contrast