#42819a

Color #42819a

A moderately saturated medium cyan.

Closest named color Slate Gray #708090 · ΔE 14.03 Nearest Tailwind class cyan-700 #007595 · ΔE 6.1

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Conversions

HEX

#42819a

RGB

rgb(66, 129, 154)

HSL

hsl(197, 40%, 43.1%)

HSV / HSB

hsv(197, 57.1%, 60.4%)

CMYK

cmyk(57.1%, 16.2%, 0%, 39.6%)

LAB

lab(50.91, -12.74, -19.56)

LCH

lch(50.91, 23.34, 236.92)

OKLCH

oklch(57.2%, 0.0753, 226.29)

HWB

hwb(197, 25.9%, 39.6%)

Harmony colors

Complementary

#9a5b42

Analogous

#429a87

#42819a

#42559a

Triadic

#42819a

#9a4281

#819a42

Split-complementary

#42819a

#9a4255

#9a8742

Tetradic

#42819a

#5b429a

#9a5b42

#819a42

Square

#42819a

#87429a

#9a5b42

#559a42

Shades

Color #42819a mixed toward black.

#376b80

#2c5667

#21404d

#162b33

#0b151a

Tints

Color #42819a mixed toward white.

#569bb6

#78afc5

#99c3d3

#bbd7e2

#ddebf0

Tones

Color #42819a mixed toward gray.

#497e93

#517b8b

#587784

#5f747d

#677175

Accessibility

Aa White text on this color

4.34:1

Aa Black text on this color

4.84:1

Black text reads better on this background (4.84:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#636494 · ΔE 20.1

Deuteranopia

#605b93 · ΔE 21.7

Tritanopia

#47908f · ΔE 12.5

Achromatopsia

#797979 · ΔE 16.8

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

Code

CSS

background-color: #42819a;

Tailwind (arbitrary value)

bg-[#42819a]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Powder Blue #b0e0e6

Frequently asked questions

#42819a (#42819a) is rgb(66, 129, 154) in RGB.

No, #42819a 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 #42819a, or check how it holds up for accessibility.

Generate a palette → Check contrast