#3f4e64

Color #3f4e64

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 8.73 Nearest Tailwind class slate-600 #45556c · ΔE 2.4

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Conversions

HEX

#3f4e64

RGB

rgb(63, 78, 100)

HSL

hsl(215.7, 22.7%, 32%)

HSV / HSB

hsv(215.7, 37%, 39.2%)

CMYK

cmyk(37%, 22%, 0%, 60.8%)

LAB

lab(32.76, 0.16, -14.71)

LCH

lch(32.76, 14.71, 270.62)

OKLCH

oklch(42%, 0.0415, 257.91)

HWB

hwb(215.7, 24.7%, 60.8%)

Harmony colors

Complementary

#64553f

Analogous

#3f6164

#3f4e64

#433f64

Triadic

#3f4e64

#643f4e

#4e643f

Split-complementary

#3f4e64

#64433f

#61643f

Tetradic

#3f4e64

#553f64

#64553f

#4e643f

Square

#3f4e64

#643f61

#64553f

#3f6443

Shades

Color #3f4e64 mixed toward black.

#354153

#2a3443

#202732

#151a21

#0b0d11

Tints

Color #3f4e64 mixed toward white.

#556a88

#7186a6

#95a5bc

#b8c3d2

#dce1e9

Tones

Color #3f4e64 mixed toward gray.

#424f61

#454f5e

#48505b

#4b5058

#4f5155

Accessibility

Aa White text on this color

8.45:1

Aa Black text on this color

2.49:1

White text reads better on this background (8.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#46465f · ΔE 7.7

Deuteranopia

#45445e · ΔE 8.4

Tritanopia

#405b5a · ΔE 14.7

Achromatopsia

#4d4d4d · ΔE 11.1

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

Code

CSS

background-color: #3f4e64;

Tailwind (arbitrary value)

bg-[#3f4e64]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#3f4e64 (#3f4e64) is rgb(63, 78, 100) in RGB.

No, #3f4e64 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 #3f4e64, or check how it holds up for accessibility.

Generate a palette → Check contrast