#3f5154

Color #3f5154

A nearly neutral, gray-leaning dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 5.84 Nearest Tailwind class mist-600 #4b585b · ΔE 3.4

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Conversions

HEX

#3f5154

RGB

rgb(63, 81, 84)

HSL

hsl(188.6, 14.3%, 28.8%)

HSV / HSB

hsv(188.6, 25%, 32.9%)

CMYK

cmyk(25%, 3.6%, 0%, 67.1%)

LAB

lab(33.1, -6.19, -4.06)

LCH

lch(33.1, 7.4, 213.26)

OKLCH

oklch(42.1%, 0.0229, 208.69)

HWB

hwb(188.6, 24.7%, 67.1%)

Harmony colors

Complementary

#54423f

Analogous

#3f544c

#3f5154

#3f4654

Triadic

#3f5154

#543f51

#51543f

Split-complementary

#3f5154

#543f46

#544c3f

Tetradic

#3f5154

#423f54

#54423f

#51543f

Square

#3f5154

#4c3f54

#54423f

#46543f

Shades

Color #3f5154 mixed toward black.

#344346

#2a3638

#1f282a

#151b1c

#0a0d0e

Tints

Color #3f5154 mixed toward white.

#597277

#759297

#97adb1

#bac9cb

#dce4e5

Tones

Color #3f5154 mixed toward gray.

#415052

#424e50

#444d4f

#464c4d

#484b4b

Accessibility

Aa White text on this color

8.35:1

Aa Black text on this color

2.52:1

White text reads better on this background (8.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#474853 · ΔE 10.9

Deuteranopia

#464553 · ΔE 13.2

Tritanopia

#405353 · ΔE 2

Achromatopsia

#4e4e4e · ΔE 8.3

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

Code

CSS

background-color: #3f5154;

Tailwind (arbitrary value)

bg-[#3f5154]

Related colors

Powder Blue #b0e0e6

Light Blue #add8e6

Deep Sky Blue #00bfff

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Frequently asked questions

#3f5154 (#3f5154) is rgb(63, 81, 84) in RGB.

No, #3f5154 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 #3f5154, or check how it holds up for accessibility.

Generate a palette → Check contrast