#3f5c66

Color #3f5c66

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 8.93 Nearest Tailwind class mist-600 #4b585b · ΔE 5.3

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Conversions

HEX

#3f5c66

RGB

rgb(63, 92, 102)

HSL

hsl(195.4, 23.6%, 32.4%)

HSV / HSB

hsv(195.4, 38.2%, 40%)

CMYK

cmyk(38.2%, 9.8%, 0%, 60%)

LAB

lab(37.24, -7.9, -9.14)

LCH

lch(37.24, 12.08, 229.16)

OKLCH

oklch(45.6%, 0.0379, 221.47)

HWB

hwb(195.4, 24.7%, 60%)

Harmony colors

Complementary

#66493f

Analogous

#3f665d

#3f5c66

#3f4966

Triadic

#3f5c66

#663f5c

#5c663f

Split-complementary

#3f5c66

#663f49

#665d3f

Tetradic

#3f5c66

#493f66

#66493f

#5c663f

Square

#3f5c66

#5d3f66

#66493f

#49663f

Shades

Color #3f5c66 mixed toward black.

#354d55

#2a3d44

#202e33

#151f22

#0b0f11

Tints

Color #3f5c66 mixed toward white.

#557c8a

#7199a7

#94b3bd

#b8ccd3

#dbe6e9

Tones

Color #3f5c66 mixed toward gray.

#425b63

#465960

#49575c

#4c5659

#4f5456

Accessibility

Aa White text on this color

7.16:1

Aa Black text on this color

2.93:1

White text reads better on this background (7.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4d4d64 · ΔE 16.3

Deuteranopia

#4b4963 · ΔE 18

Tritanopia

#416261 · ΔE 6.7

Achromatopsia

#585858 · ΔE 11.2

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

Code

CSS

background-color: #3f5c66;

Tailwind (arbitrary value)

bg-[#3f5c66]

Related colors

Deep Sky Blue #00bfff

Light Blue #add8e6

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Powder Blue #b0e0e6

Frequently asked questions

#3f5c66 (#3f5c66) is rgb(63, 92, 102) in RGB.

No, #3f5c66 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 #3f5c66, or check how it holds up for accessibility.

Generate a palette → Check contrast