#2b4857

Color #2b4857

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 5.26 Nearest Tailwind class cyan-900 #104e64 · ΔE 4.7

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Conversions

HEX

#2b4857

RGB

rgb(43, 72, 87)

HSL

hsl(200.5, 33.8%, 25.5%)

HSV / HSB

hsv(200.5, 50.6%, 34.1%)

CMYK

cmyk(50.6%, 17.2%, 0%, 65.9%)

LAB

lab(29, -6.18, -12.28)

LCH

lch(29, 13.75, 243.29)

OKLCH

oklch(38.5%, 0.0432, 231.96)

HWB

hwb(200.5, 16.9%, 65.9%)

Harmony colors

Complementary

#573a2b

Analogous

#2b5750

#2b4857

#2b3257

Triadic

#2b4857

#572b48

#48572b

Split-complementary

#2b4857

#572b32

#57502b

Tetradic

#2b4857

#3a2b57

#573a2b

#48572b

Square

#2b4857

#502b57

#573a2b

#32572b

Shades

Color #2b4857 mixed toward black.

#243c49

#1d303a

#16242c

#0e181d

#070c0f

Tints

Color #2b4857 mixed toward white.

#406b81

#568eab

#80aac0

#aac6d5

#d5e3ea

Tones

Color #2b4857 mixed toward gray.

#2f4753

#324650

#36454c

#3a4348

#3d4245

Accessibility

Aa White text on this color

9.69:1

Aa Black text on this color

2.17:1

White text reads better on this background (9.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3a3a54 · ΔE 15.3

Deuteranopia

#383653 · ΔE 16.8

Tritanopia

#2d5150 · ΔE 10.1

Achromatopsia

#444444 · ΔE 11.4

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

Code

CSS

background-color: #2b4857;

Tailwind (arbitrary value)

bg-[#2b4857]

Related colors

Light Sky Blue #87cefa

Sky Blue #87ceeb

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#2b4857 (#2b4857) is rgb(43, 72, 87) in RGB.

No, #2b4857 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 #2b4857, or check how it holds up for accessibility.

Generate a palette → Check contrast