#2f4251

Color #2f4251

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 3.72 Nearest Tailwind class gray-700 #364153 · ΔE 4.5

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Conversions

HEX

#2f4251

RGB

rgb(47, 66, 81)

HSL

hsl(206.5, 26.6%, 25.1%)

HSV / HSB

hsv(206.5, 42%, 31.8%)

CMYK

cmyk(42%, 18.5%, 0%, 68.2%)

LAB

lab(27, -3.08, -11.41)

LCH

lch(27, 11.82, 254.89)

OKLCH

oklch(36.9%, 0.0355, 242.64)

HWB

hwb(206.5, 18.4%, 68.2%)

Harmony colors

Complementary

#513e2f

Analogous

#2f514f

#2f4251

#2f3151

Triadic

#2f4251

#512f42

#42512f

Split-complementary

#2f4251

#512f31

#514f2f

Tetradic

#2f4251

#3e2f51

#513e2f

#42512f

Square

#2f4251

#4f2f51

#513e2f

#31512f

Shades

Color #2f4251 mixed toward black.

#273744

#1f2c36

#172129

#10161b

#080b0e

Tints

Color #2f4251 mixed toward white.

#466379

#5e84a2

#86a2b9

#aec1d0

#d7e0e8

Tones

Color #2f4251 mixed toward gray.

#32424e

#35414b

#374149

#3a4146

#3d4043

Accessibility

Aa White text on this color

10.4:1

Aa Black text on this color

2.02:1

White text reads better on this background (10.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#38384e · ΔE 11.2

Deuteranopia

#37364d · ΔE 12

Tritanopia

#304b4a · ΔE 10.8

Achromatopsia

#404040 · ΔE 9.6

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

Code

CSS

background-color: #2f4251;

Tailwind (arbitrary value)

bg-[#2f4251]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Charcoal #36454f

Dodger Blue #1e90ff

Light Sky Blue #87cefa

Light Slate Gray #778899

Frequently asked questions

#2f4251 (#2f4251) is rgb(47, 66, 81) in RGB.

No, #2f4251 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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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 #2f4251, or check how it holds up for accessibility.

Generate a palette → Check contrast