#2a5151

Color #2a5151

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 2.2 Nearest Tailwind class teal-900 #0b4f4a · ΔE 5.3

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Conversions

HEX

#2a5151

RGB

rgb(42, 81, 81)

HSL

hsl(180, 31.7%, 24.1%)

HSV / HSB

hsv(180, 48.1%, 31.8%)

CMYK

cmyk(48.1%, 0%, 0%, 68.2%)

LAB

lab(31.74, -13.78, -4.31)

LCH

lch(31.74, 14.44, 197.37)

OKLCH

oklch(40.6%, 0.0443, 195.57)

HWB

hwb(180, 16.5%, 68.2%)

Harmony colors

Complementary

#512a2a

Analogous

#2a513d

#2a5151

#2a3d51

Triadic

#2a5151

#512a51

#51512a

Split-complementary

#2a5151

#512a3d

#513d2a

Tetradic

#2a5151

#2a2a51

#512a2a

#51512a

Square

#2a5151

#3d2a51

#512a2a

#3d512a

Shades

Color #2a5151 mixed toward black.

#234343

#1c3636

#152828

#0e1b1b

#070d0d

Tints

Color #2a5151 mixed toward white.

#407b7b

#56a6a6

#80bdbd

#aad3d3

#d5e9e9

Tones

Color #2a5151 mixed toward gray.

#2d4e4e

#304a4a

#344747

#374444

#3a4141

Accessibility

Aa White text on this color

8.77:1

Aa Black text on this color

2.39:1

White text reads better on this background (8.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3e3f51 · ΔE 19.8

Deuteranopia

#3c3951 · ΔE 23.4

Tritanopia

#2d5151 · ΔE 0.7

Achromatopsia

#4b4b4b · ΔE 14.3

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

Code

CSS

background-color: #2a5151;

Tailwind (arbitrary value)

bg-[#2a5151]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#2a5151 (#2a5151) is rgb(42, 81, 81) in RGB.

No, #2a5151 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 #2a5151, or check how it holds up for accessibility.

Generate a palette → Check contrast