#42588e

Color #42588e

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 18.87 Nearest Tailwind class slate-600 #45556c · ΔE 7.4

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

Conversions

HEX

#42588e

RGB

rgb(66, 88, 142)

HSL

hsl(222.6, 36.5%, 40.8%)

HSV / HSB

hsv(222.6, 53.5%, 55.7%)

CMYK

cmyk(53.5%, 38%, 0%, 44.3%)

LAB

lab(38, 8.03, -32.5)

LCH

lch(38, 33.48, 283.88)

OKLCH

oklch(46.8%, 0.092, 266.14)

HWB

hwb(222.6, 25.9%, 44.3%)

Harmony colors

Complementary

#8e7842

Analogous

#427e8e

#42588e

#52428e

Triadic

#42588e

#8e4258

#588e42

Split-complementary

#42588e

#8e5242

#7e8e42

Tetradic

#42588e

#78428e

#8e7842

#588e42

Square

#42588e

#8e427e

#8e7842

#428e52

Shades

Color #42588e mixed toward black.

#374976

#2c3b5f

#212c47

#161d2f

#0b0f18

Tints

Color #42588e mixed toward white.

#536eaf

#768bbf

#98a8cf

#bac5df

#dde2ef

Tones

Color #42588e mixed toward gray.

#485b88

#4f5d81

#55607b

#5b6375

#62656e

Accessibility

Aa White text on this color

6.96:1

Aa Black text on this color

3.02:1

White text reads better on this background (6.96:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4c4d83 · ΔE 6.1

Deuteranopia

#4b4981 · ΔE 7.2

Tritanopia

#437a78 · ΔE 25.3

Achromatopsia

#595959 · ΔE 19.4

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

Code

CSS

background-color: #42588e;

Tailwind (arbitrary value)

bg-[#42588e]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#42588e (#42588e) is rgb(66, 88, 142) in RGB.

No, #42588e 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #42588e, or check how it holds up for accessibility.

Generate a palette → Check contrast