#2f555a

Color #2f555a

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 4.18 Nearest Tailwind class cyan-900 #104e64 · ΔE 7.9

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Conversions

HEX

#2f555a

RGB

rgb(47, 85, 90)

HSL

hsl(187, 31.4%, 26.9%)

HSV / HSB

hsv(187, 47.8%, 35.3%)

CMYK

cmyk(47.8%, 5.6%, 0%, 64.7%)

LAB

lab(33.65, -12.01, -7.14)

LCH

lch(33.65, 13.97, 210.73)

OKLCH

oklch(42.3%, 0.044, 206.45)

HWB

hwb(187, 18.4%, 64.7%)

Harmony colors

Complementary

#5a342f

Analogous

#2f5a4a

#2f555a

#2f405a

Triadic

#2f555a

#5a2f55

#555a2f

Split-complementary

#2f555a

#5a2f40

#5a4a2f

Tetradic

#2f555a

#342f5a

#5a342f

#555a2f

Square

#2f555a

#4a2f5a

#5a342f

#405a2f

Shades

Color #2f555a mixed toward black.

#27474b

#1f393c

#182b2d

#101c1e

#080e0f

Tints

Color #2f555a mixed toward white.

#447c83

#5ca1aa

#85b8bf

#add0d4

#d6e7ea

Tones

Color #2f555a mixed toward gray.

#335257

#365053

#3a4d4f

#3d4a4c

#414748

Accessibility

Aa White text on this color

8.18:1

Aa Black text on this color

2.57:1

White text reads better on this background (8.18:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#434359 · ΔE 19.8

Deuteranopia

#403d59 · ΔE 22.4

Tritanopia

#325858 · ΔE 2.8

Achromatopsia

#4f4f4f · ΔE 13.5

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

Code

CSS

background-color: #2f555a;

Tailwind (arbitrary value)

bg-[#2f555a]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#2f555a (#2f555a) is rgb(47, 85, 90) in RGB.

No, #2f555a is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #2f555a, or check how it holds up for accessibility.

Generate a palette → Check contrast