#585f99

Color #585f99

A muted medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 19.81 Nearest Tailwind class slate-500 #62748e · ΔE 9.7

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Conversions

HEX

#585f99

RGB

rgb(88, 95, 153)

HSL

hsl(233.5, 27%, 47.3%)

HSV / HSB

hsv(233.5, 42.5%, 60%)

CMYK

cmyk(42.5%, 37.9%, 0%, 40%)

LAB

lab(42.09, 12.82, -32.57)

LCH

lch(42.09, 35, 291.49)

OKLCH

oklch(50.6%, 0.0924, 277.34)

HWB

hwb(233.5, 34.5%, 40%)

Harmony colors

Complementary

#999258

Analogous

#588099

#585f99

#725899

Triadic

#585f99

#99585f

#5f9958

Split-complementary

#585f99

#997258

#809958

Tetradic

#585f99

#925899

#999258

#5f9958

Square

#585f99

#995880

#999258

#589972

Shades

Color #585f99 mixed toward black.

#494f80

#3b3f66

#2c304d

#1d2033

#0f101a

Tints

Color #585f99 mixed toward white.

#7177ad

#8d92be

#aaaece

#c6c9de

#e3e4ef

Tones

Color #585f99 mixed toward gray.

#5d6394

#63688e

#686c89

#6e7083

#73747e

Accessibility

Aa White text on this color

5.98:1

Aa Black text on this color

3.51:1

White text reads better on this background (5.98:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5b5b8e · ΔE 3

Deuteranopia

#5b5a8b · ΔE 3.8

Tritanopia

#588482 · ΔE 26.4

Achromatopsia

#636363 · ΔE 20.2

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

Code

CSS

background-color: #585f99;

Tailwind (arbitrary value)

bg-[#585f99]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#585f99 (#585f99) is rgb(88, 95, 153) in RGB.

No, #585f99 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 #585f99, or check how it holds up for accessibility.

Generate a palette → Check contrast