#3f4c58

Color #3f4c58

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 3.58 Nearest Tailwind class gray-600 #4a5565 · ΔE 4.3

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Conversions

HEX

#3f4c58

RGB

rgb(63, 76, 88)

HSL

hsl(208.8, 16.6%, 29.6%)

HSV / HSB

hsv(208.8, 28.4%, 34.5%)

CMYK

cmyk(28.4%, 13.6%, 0%, 65.5%)

LAB

lab(31.65, -2.01, -8.78)

LCH

lch(31.65, 9.01, 257.11)

OKLCH

oklch(41%, 0.0262, 246.37)

HWB

hwb(208.8, 24.7%, 65.5%)

Harmony colors

Complementary

#584b3f

Analogous

#3f5858

#3f4c58

#3f3f58

Triadic

#3f4c58

#583f4c

#4c583f

Split-complementary

#3f4c58

#583f3f

#58583f

Tetradic

#3f4c58

#4b3f58

#584b3f

#4c583f

Square

#3f4c58

#583f58

#584b3f

#3f583f

Shades

Color #3f4c58 mixed toward black.

#343f49

#2a333b

#1f262c

#15191d

#0a0d0f

Tints

Color #3f4c58 mixed toward white.

#586a7b

#73889b

#96a6b4

#b9c4cd

#dce1e6

Tones

Color #3f4c58 mixed toward gray.

#414c56

#434c54

#454c52

#474c50

#494c4e

Accessibility

Aa White text on this color

8.8:1

Aa Black text on this color

2.39:1

White text reads better on this background (8.8:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#454555 · ΔE 8.1

Deuteranopia

#444355 · ΔE 9.2

Tritanopia

#405353 · ΔE 8.4

Achromatopsia

#4a4a4a · ΔE 7.7

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

Code

CSS

background-color: #3f4c58;

Tailwind (arbitrary value)

bg-[#3f4c58]

Related colors

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Light Slate Gray #778899

Slate Gray #708090

Steel Blue #4682b4

Charcoal #36454f

Frequently asked questions

#3f4c58 (#3f4c58) is rgb(63, 76, 88) in RGB.

No, #3f4c58 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

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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 #3f4c58, or check how it holds up for accessibility.

Generate a palette → Check contrast