#2b4e51

Color #2b4e51

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 2.08 Nearest Tailwind class teal-900 #0b4f4a · ΔE 7.2

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#2b4e51

RGB

rgb(43, 78, 81)

HSL

hsl(184.7, 30.6%, 24.3%)

HSV / HSB

hsv(184.7, 46.9%, 31.8%)

CMYK

cmyk(46.9%, 3.7%, 0%, 68.2%)

LAB

lab(30.77, -11.74, -5.74)

LCH

lch(30.77, 13.07, 206.06)

OKLCH

oklch(39.9%, 0.0409, 202.74)

HWB

hwb(184.7, 16.9%, 68.2%)

Harmony colors

Complementary

#512e2b

Analogous

#2b5141

#2b4e51

#2b3b51

Triadic

#2b4e51

#512b4e

#4e512b

Split-complementary

#2b4e51

#512b3b

#51412b

Tetradic

#2b4e51

#2e2b51

#512e2b

#4e512b

Square

#2b4e51

#412b51

#512e2b

#3b512b

Shades

Color #2b4e51 mixed toward black.

#244143

#1d3436

#162728

#0e1a1b

#070d0d

Tints

Color #2b4e51 mixed toward white.

#41767b

#589fa5

#81b7bc

#abcfd2

#d5e7e9

Tones

Color #2b4e51 mixed toward gray.

#2e4b4e

#31494b

#344647

#384344

#3b4141

Accessibility

Aa White text on this color

9.09:1

Aa Black text on this color

2.31:1

White text reads better on this background (9.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3d50 · ΔE 19

Deuteranopia

#3b3850 · ΔE 21.8

Tritanopia

#2d5050 · ΔE 1.8

Achromatopsia

#484848 · ΔE 13

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

Code

CSS

background-color: #2b4e51;

Tailwind (arbitrary value)

bg-[#2b4e51]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#2b4e51 (#2b4e51) is rgb(43, 78, 81) in RGB.

No, #2b4e51 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 #2b4e51, or check how it holds up for accessibility.

Generate a palette → Check contrast