#2a373f

Color #2a373f

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 6.27 Nearest Tailwind class mist-700 #394447 · ΔE 5.2

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

Conversions

HEX

#2a373f

RGB

rgb(42, 55, 63)

HSL

hsl(202.9, 20%, 20.6%)

HSV / HSB

hsv(202.9, 33.3%, 24.7%)

CMYK

cmyk(33.3%, 12.7%, 0%, 75.3%)

LAB

lab(22.24, -3.09, -6.74)

LCH

lch(22.24, 7.41, 245.37)

OKLCH

oklch(32.8%, 0.0224, 235.39)

HWB

hwb(202.9, 16.5%, 75.3%)

Harmony colors

Complementary

#3f322a

Analogous

#2a3f3d

#2a373f

#2a2d3f

Triadic

#2a373f

#3f2a37

#373f2a

Split-complementary

#2a373f

#3f2a2d

#3f3d2a

Tetradic

#2a373f

#322a3f

#3f322a

#373f2a

Square

#2a373f

#3d2a3f

#3f322a

#2d3f2a

Shades

Color #2a373f mixed toward black.

#232e35

#1c252a

#151c20

#0e1215

#07090b

Tints

Color #2a373f mixed toward white.

#455a68

#607e90

#869fae

#aebfc9

#d7dfe4

Tones

Color #2a373f mixed toward gray.

#2c373d

#2e363c

#2f363a

#313538

#333536

Accessibility

Aa White text on this color

12.23:1

Aa Black text on this color

1.72:1

White text reads better on this background (12.23:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#30303d · ΔE 8.8

Deuteranopia

#2f2e3d · ΔE 10.2

Tritanopia

#2b3c3b · ΔE 6.7

Achromatopsia

#353535 · ΔE 6.9

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

Code

CSS

background-color: #2a373f;

Tailwind (arbitrary value)

bg-[#2a373f]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#2a373f (#2a373f) is rgb(42, 55, 63) in RGB.

No, #2a373f 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 #2a373f, or check how it holds up for accessibility.

Generate a palette → Check contrast