#424e57

Color #424e57

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 4.29 Nearest Tailwind class gray-600 #4a5565 · ΔE 4.8

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

Conversions

HEX

#424e57

RGB

rgb(66, 78, 87)

HSL

hsl(205.7, 13.7%, 30%)

HSV / HSB

hsv(205.7, 24.1%, 34.1%)

CMYK

cmyk(24.1%, 10.3%, 0%, 65.9%)

LAB

lab(32.47, -2.47, -6.88)

LCH

lch(32.47, 7.31, 250.25)

OKLCH

oklch(41.7%, 0.0215, 240.45)

HWB

hwb(205.7, 25.9%, 65.9%)

Harmony colors

Complementary

#574b42

Analogous

#425755

#424e57

#424457

Triadic

#424e57

#57424e

#4e5742

Split-complementary

#424e57

#574244

#575542

Tetradic

#424e57

#4b4257

#574b42

#4e5742

Square

#424e57

#554257

#574b42

#445742

Shades

Color #424e57 mixed toward black.

#374148

#2c343a

#21272b

#161a1d

#0b0d0e

Tints

Color #424e57 mixed toward white.

#5c6c79

#788a98

#9aa8b2

#bbc5cc

#dde2e5

Tones

Color #424e57 mixed toward gray.

#444e55

#464e53

#474d52

#494d50

#4b4d4e

Accessibility

Aa White text on this color

8.54:1

Aa Black text on this color

2.46:1

White text reads better on this background (8.54:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#474855 · ΔE 7.2

Deuteranopia

#474654 · ΔE 8.6

Tritanopia

#435353 · ΔE 6.3

Achromatopsia

#4c4c4c · ΔE 6.6

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

Code

CSS

background-color: #424e57;

Tailwind (arbitrary value)

bg-[#424e57]

Related colors

Steel Blue #4682b4

Charcoal #36454f

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#424e57 (#424e57) is rgb(66, 78, 87) in RGB.

No, #424e57 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.

Try it → Accessibility

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 #424e57, or check how it holds up for accessibility.

Generate a palette → Check contrast