#3b5871

Color #3b5871

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 12.4 Nearest Tailwind class slate-600 #45556c · ΔE 4.1

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Conversions

HEX

#3b5871

RGB

rgb(59, 88, 113)

HSL

hsl(207.8, 31.4%, 33.7%)

HSV / HSB

hsv(207.8, 47.8%, 44.3%)

CMYK

cmyk(47.8%, 22.1%, 0%, 55.7%)

LAB

lab(36.18, -3.32, -17.61)

LCH

lch(36.18, 17.92, 259.32)

OKLCH

oklch(44.8%, 0.0538, 245.39)

HWB

hwb(207.8, 23.1%, 55.7%)

Harmony colors

Complementary

#71543b

Analogous

#3b716f

#3b5871

#3b3d71

Triadic

#3b5871

#713b58

#58713b

Split-complementary

#3b5871

#713b3d

#716f3b

Tetradic

#3b5871

#543b71

#71543b

#58713b

Square

#3b5871

#6f3b71

#71543b

#3d713b

Shades

Color #3b5871 mixed toward black.

#31495e

#273b4b

#1d2c38

#141d26

#0a0f13

Tints

Color #3b5871 mixed toward white.

#4e7596

#6b91b2

#90acc5

#b5c8d8

#dae3ec

Tones

Color #3b5871 mixed toward gray.

#3f586c

#445768

#485763

#4d575f

#51565a

Accessibility

Aa White text on this color

7.45:1

Aa Black text on this color

2.82:1

White text reads better on this background (7.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#49496c · ΔE 12.8

Deuteranopia

#48456a · ΔE 14

Tritanopia

#3d6766 · ΔE 15.1

Achromatopsia

#555555 · ΔE 13

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

Code

CSS

background-color: #3b5871;

Tailwind (arbitrary value)

bg-[#3b5871]

Related colors

Alice Blue #f0f8ff

Steel Blue #4682b4

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#3b5871 (#3b5871) is rgb(59, 88, 113) in RGB.

No, #3b5871 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 #3b5871, or check how it holds up for accessibility.

Generate a palette → Check contrast