#3f5d83

Color #3f5d83

A muted dark blue.

Closest named color Steel Blue #4682b4 · ΔE 16.29 Nearest Tailwind class slate-600 #45556c · ΔE 5.5

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Conversions

HEX

#3f5d83

RGB

rgb(63, 93, 131)

HSL

hsl(213.5, 35.1%, 38%)

HSV / HSB

hsv(213.5, 51.9%, 51.4%)

CMYK

cmyk(51.9%, 29%, 0%, 48.6%)

LAB

lab(38.77, 0.45, -24.63)

LCH

lch(38.77, 24.63, 271.05)

OKLCH

oklch(47.2%, 0.0715, 254.84)

HWB

hwb(213.5, 24.7%, 48.6%)

Harmony colors

Complementary

#83653f

Analogous

#3f7f83

#3f5d83

#433f83

Triadic

#3f5d83

#833f5d

#5d833f

Split-complementary

#3f5d83

#83433f

#7f833f

Tetradic

#3f5d83

#653f83

#83653f

#5d833f

Square

#3f5d83

#833f7f

#83653f

#3f8343

Shades

Color #3f5d83 mixed toward black.

#344d6d

#2a3e57

#1f2e41

#151f2c

#0a0f16

Tints

Color #3f5d83 mixed toward white.

#5076a7

#7191bb

#94adcc

#b8c8dd

#dbe4ee

Tones

Color #3f5d83 mixed toward gray.

#455e7d

#4a5e78

#505f72

#56606c

#5b6067

Accessibility

Aa White text on this color

6.76:1

Aa Black text on this color

3.1:1

White text reads better on this background (6.76:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4e4e7b · ΔE 9.8

Deuteranopia

#4c4a79 · ΔE 10.7

Tritanopia

#417473 · ΔE 20.1

Achromatopsia

#5b5b5b · ΔE 15.9

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

Code

CSS

background-color: #3f5d83;

Tailwind (arbitrary value)

bg-[#3f5d83]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#3f5d83 (#3f5d83) is rgb(63, 93, 131) in RGB.

No, #3f5d83 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 #3f5d83, or check how it holds up for accessibility.

Generate a palette → Check contrast