#8590A0

Accessibility

6.49:1

Vs white / black

3.23:1 · 6.49:1

Sources

Library color

Codes

Formats

HEX

#8590a0

RGB

rgb(133, 144, 160)

RGBA

rgba(133, 144, 160, 1)

HSL

hsl(216, 12%, 57%)

HSLA

hsla(216, 12%, 57%, 1)

HSV

hsv(216, 17%, 63%)

LAB

lab(59.41% -0.5 -9.78)

LCH

lch(59.41% 9.79 267.07)

OKLAB

oklab(0.6498 -0.0058 -0.0265)

OKLCH

oklch(0.6498 0.0271 257.65)

XYZ

xyz(25.99, 27.47, 37.18)

CMYK

cmyk(17%, 10%, 0%, 37%)

CSS

color: #8590a0;

CSS variable

--color-8590a0: #8590a0;

SCSS

$color-8590a0: #8590a0;

JavaScript

const color = "#8590a0";

TypeScript

const color: string = "#8590a0";

React

style={{ backgroundColor: "#8590a0" }}

JSON

{ "hex": "#8590a0", "rgb": { "r": 133, "g": 144, "b": 160 }, "oklch": "oklch(0.6498 0.0271 257.65)" }

Export

Developer code

css

:root {
  --#8590a0-1: #8590a0;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

slate-400

Very different · ΔE 6.26 · #94A3B8

Nearest CSS named color

LightSlateGray

Noticeably different · ΔE 3.94 · #778899

Nearest Material color

blue-grey-400

Very different · ΔE 6.21 · #78909C

Nearest Bootstrap color

secondary

Very different · ΔE 10.83 · #6C757D

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50edf6ff 100e0e9f6 200ccd5e2 300b4bfce 40097a2b3 5007c8797 60067717e 700525a65 8003d444f 900293039 950151b24

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

f5f6f7 ebedef e1e3e7 d6dadf ccd1d7 c2c8d0 b8bec8 aeb5c0 a4acb8 99a3b0 8f99a8 8590a0 7a8493 6f7885 646c78 59606b 4e545d 434850 373c43 2c3035 212428 16181b 0b0c0d

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f5f6f7 ebedef e1e3e7 d6dadf ccd1d7 c2c8d0 b8bec8 aeb5c0 a4acb8 99a3b0 8f99a8

Palette

Shades

Mixed toward black — depth, text, and emphasis

7a8493 6f7885 646c78 59606b 4e545d 434850 373c43 2c3035 212428 16181b 0b0c0d

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

858f9d 848d9b 848c98 838b95 838993 838890 82878d 82858b 818488 818385 808183

Harmony

Complementary

Opposite on the color wheel for contrast

#8590A0Stop 1 #9F9484Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#849C9FStop 1 #8590A0Stop 2 #87849FStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#8590A0Stop 1 #9F848FStop 2 #8F9F84Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#8590A0Stop 1 #9F8784Stop 2 #9C9F84Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2D3239Stop 1 #4F5764Stop 2 #707C8FStop 3 #9BA4B0Stop 4 #C6CBD2Stop 5

Using this color

Where #8590a0 works

#8590A0 (#8590a0) sits in the blue family at about 216° hue, 12% saturation, and 57% lightness. Contrast is 3.23:1 on white and 6.49:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: slate-400 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
large titles on light backgrounds (WCAG AA Large)
text or icons on charcoal / dark mode

Do not use #8590a0 as small body text on white — 3.23:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Family context: Trust, calm, and professionalism. The most used color in SaaS, finance, and healthcare. Common uses still include buttons, charts, and accents in the Blue range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

LightSlateGray#778899 System Gray#8E8E93 Material Blue Grey 400#78909C Tailwind slate 400#94A3B8 Chakra gray 500#718096 SlateGray#708090 Tailwind gray 400#9CA3AF Material You Neutral#938F99 Tailwind zinc 400#A1A1AA Material Blue Grey 300#90A4AE Asbestos#7F8C8D Spectrum #7993BE#7993BE