#90a0b4

Color #90a0b4

A muted light blue.

Closest named color Light Slate Gray #778899 · ΔE 9.45 Nearest Tailwind class slate-400 #90a1b9 · ΔE 1.5

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Conversions

HEX

#90a0b4

RGB

rgb(144, 160, 180)

HSL

hsl(213.3, 19.4%, 63.5%)

HSV / HSB

hsv(213.3, 20%, 70.6%)

CMYK

cmyk(20%, 11.1%, 0%, 29.4%)

LAB

lab(65.25, -1.27, -12.23)

LCH

lch(65.25, 12.3, 264.07)

OKLCH

oklch(70%, 0.0345, 254.03)

HWB

hwb(213.3, 56.5%, 29.4%)

Harmony colors

Complementary

#b4a490

Analogous

#90b2b4

#90a0b4

#9290b4

Triadic

#90a0b4

#b490a0

#a0b490

Split-complementary

#90a0b4

#b49290

#b2b490

Tetradic

#90a0b4

#a490b4

#b4a490

#a0b490

Square

#90a0b4

#b490b2

#b4a490

#90b492

Shades

Color #90a0b4 mixed toward black.

#70849e

#576a81

#414f61

#2c3540

#161a20

Tints

Color #90a0b4 mixed toward white.

#a2b0c0

#b5c0cd

#c7cfd9

#dadfe6

#eceff2

Tones

Color #90a0b4 mixed toward gray.

#93a0b1

#96a1ae

#99a1ab

#9ca1a8

#9fa2a5

Accessibility

Aa White text on this color

2.67:1

Aa Black text on this color

7.87:1

Black text reads better on this background (7.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9797af · ΔE 8.2

Deuteranopia

#9695ae · ΔE 9

Tritanopia

#91acab · ΔE 12.1

Achromatopsia

#9e9e9e · ΔE 9.7

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

Code

CSS

background-color: #90a0b4;

Tailwind (arbitrary value)

bg-[#90a0b4]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#90a0b4 (#90a0b4) is rgb(144, 160, 180) in RGB.

No, #90a0b4 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

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Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

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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 #90a0b4, or check how it holds up for accessibility.

Generate a palette → Check contrast