#588ec9

Color #588ec9

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 7.32 Nearest Tailwind class sky-600 #0084d1 · ΔE 6.3

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Conversions

HEX

#588ec9

RGB

rgb(88, 142, 201)

HSL

hsl(211.3, 51.1%, 56.7%)

HSV / HSB

hsv(211.3, 56.2%, 78.8%)

CMYK

cmyk(56.2%, 29.4%, 0%, 21.2%)

LAB

lab(57.69, -0.56, -35.93)

LCH

lch(57.69, 35.93, 269.11)

OKLCH

oklch(63.4%, 0.1064, 251.77)

HWB

hwb(211.3, 34.5%, 21.2%)

Harmony colors

Complementary

#c99358

Analogous

#58c7c9

#588ec9

#5b58c9

Triadic

#588ec9

#c9588e

#8ec958

Split-complementary

#588ec9

#c95b58

#c7c958

Tetradic

#588ec9

#9358c9

#c99358

#8ec958

Square

#588ec9

#c958c7

#c99358

#58c95b

Shades

Color #588ec9 mixed toward black.

#3b76b6

#2f5e92

#23476d

#182f49

#0c1824

Tints

Color #588ec9 mixed toward white.

#74a1d2

#90b4db

#acc7e4

#c7d9ed

#e3ecf6

Tones

Color #588ec9 mixed toward gray.

#628fc0

#6b8fb6

#748fad

#7e90a3

#87909a

Accessibility

Aa White text on this color

3.43:1

Aa Black text on this color

6.13:1

Black text reads better on this background (6.13:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7374bd · ΔE 13.5

Deuteranopia

#706cba · ΔE 15.7

Tritanopia

#5cb3b0 · ΔE 24.1

Achromatopsia

#8b8b8b · ΔE 19.9

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

Code

CSS

background-color: #588ec9;

Tailwind (arbitrary value)

bg-[#588ec9]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#588ec9 (#588ec9) is rgb(88, 142, 201) in RGB.

No, #588ec9 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 #588ec9, or check how it holds up for accessibility.

Generate a palette → Check contrast