#424554

Color #424554

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 6 Nearest Tailwind class gray-700 #364153 · ΔE 4

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Conversions

HEX

#424554

RGB

rgb(66, 69, 84)

HSL

hsl(230, 12%, 29.4%)

HSV / HSB

hsv(230, 21.4%, 32.9%)

CMYK

cmyk(21.4%, 17.9%, 0%, 67.1%)

LAB

lab(29.55, 2.47, -9.35)

LCH

lch(29.55, 9.67, 284.8)

OKLCH

oklch(39.4%, 0.0257, 276.27)

HWB

hwb(230, 25.9%, 67.1%)

Harmony colors

Complementary

#545142

Analogous

#424e54

#424554

#484254

Triadic

#424554

#544245

#455442

Split-complementary

#424554

#544842

#4e5442

Tetradic

#424554

#514254

#545142

#455442

Square

#424554

#54424e

#545142

#425448

Shades

Color #424554 mixed toward black.

#373946

#2c2e38

#21222a

#16171c

#0b0b0e

Tints

Color #424554 mixed toward white.

#5c6176

#797d95

#9a9eb0

#bcbeca

#dddfe5

Tones

Color #424554 mixed toward gray.

#434652

#454751

#46484f

#48494e

#494a4c

Accessibility

Aa White text on this color

9.5:1

Aa Black text on this color

2.21:1

White text reads better on this background (9.5:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#434351 · ΔE 1.6

Deuteranopia

#434350 · ΔE 1.7

Tritanopia

#424e4d · ΔE 11.7

Achromatopsia

#464646 · ΔE 8.2

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

Code

CSS

background-color: #424554;

Tailwind (arbitrary value)

bg-[#424554]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#424554 (#424554) is rgb(66, 69, 84) in RGB.

No, #424554 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 #424554, or check how it holds up for accessibility.

Generate a palette → Check contrast