#42515e

Color #42515e

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 5.56 Nearest Tailwind class gray-600 #4a5565 · ΔE 3.4

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Conversions

HEX

#42515e

RGB

rgb(66, 81, 94)

HSL

hsl(207.9, 17.5%, 31.4%)

HSV / HSB

hsv(207.9, 29.8%, 36.9%)

CMYK

cmyk(29.8%, 13.8%, 0%, 63.1%)

LAB

lab(33.67, -2.45, -9.51)

LCH

lch(33.67, 9.82, 255.55)

OKLCH

oklch(42.7%, 0.0288, 244.68)

HWB

hwb(207.9, 25.9%, 63.1%)

Harmony colors

Complementary

#5e4f42

Analogous

#425e5d

#42515e

#42435e

Triadic

#42515e

#5e4251

#515e42

Split-complementary

#42515e

#5e4243

#5e5d42

Tetradic

#42515e

#4f425e

#5e4f42

#515e42

Square

#42515e

#5d425e

#5e4f42

#435e42

Shades

Color #42515e mixed toward black.

#37444e

#2c363f

#21292f

#161b1f

#0b0e10

Tints

Color #42515e mixed toward white.

#5a6f80

#768c9f

#98a9b7

#bac5cf

#dde2e7

Tones

Color #42515e mixed toward gray.

#44515c

#475159

#495157

#4b5055

#4e5052

Accessibility

Aa White text on this color

8.17:1

Aa Black text on this color

2.57:1

White text reads better on this background (8.17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#49495b · ΔE 9.1

Deuteranopia

#48475a · ΔE 10

Tritanopia

#435958 · ΔE 9.5

Achromatopsia

#4f4f4f · ΔE 8.3

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

Code

CSS

background-color: #42515e;

Tailwind (arbitrary value)

bg-[#42515e]

Related colors

Alice Blue #f0f8ff

Steel Blue #4682b4

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#42515e (#42515e) is rgb(66, 81, 94) in RGB.

No, #42515e 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 #42515e, or check how it holds up for accessibility.

Generate a palette → Check contrast