CSS Named Color Reference

Slate Gray Color Code

Slate Gray·#708090

Neutral FamilyNeutralMid toneLow saturationoklch(59.3% 0.031 248)
HEX
#708090Primary token
RGB
rgb(112, 128, 144)Screen values
HSL
hsl(210 13% 50%)Hue and lightness
CMYK
22, 11, 0, 44Print handoff
LAB
53, -2, -11Perceptual reference
OKLCH
oklch(59.3% 0.031 248)Modern perceptual

Slate Gray is a mid-tone, muted CSS named color at #708090. If you searched for slate gray hex code, 708090, or slate gray RGB, this page gives the exact color value, conversion formats, contrast checks, nearby colors, and links into the lookup and converter workflows.

Best text colorDark text
Body text contrast4.23:1
Best UseTypography, surfaces, borders, shadows, and foundational interface structure

Tonal Scale

100#E5E8EB
300#BDC5CC
500#8A97A4
600#708090
800#515C68

Contrast Checks

White text on this color

Buttons, badges, and filled actions.

4.05:1Large text / UI only

Dark text on this color

Large headings and selective UI.

4.23:1Large text / UI only

This color on light surface

Links, borders, and icons on light UI.

3.85:1Large text / UI only
Best text colorDark textContrast 4.23:1

Professional Reference

OKLCHoklch(59.3% 0.031 248)
Relative Luminance0.2090
Source TypeCSS Named Color
Classification
Neutral FamilyNeutralMid toneLow saturation
Source Context
Source Type
CSS Named Color
System
CSS
Aliases
Slate Grey
Closest Matches
Light Slate GrayLight Slate GreyMaterial Blue Grey 500
Color Notes
  • Slate Gray is kept as an exact CSS named color for #708090.
  • Queries for slate gray color code, 708090, or slate gray RGB usually need the value first, then contrast and implementation context.

Accessibility Matrix

White text on this color

White text placed on the current color.

4.05:1Large text / UI only

Dark text on this color

Dark text or headings on the current color.

4.23:1Large text / UI only

This color on light surface

Use this color for links, strokes, or icons on light UI.

3.85:1Large text / UI only

This color on dark surface

Use this color inside dark shells for strokes, tags, or icons.

4.23:1Large text / UI only
Best text colorDark textContrast 4.23:1 · Large text / UI only

Where It Works

  • Use it for text, surfaces, rules, borders, elevation, and layout structure.
  • Choose the exact neutral by contrast role instead of treating all grays as interchangeable.
  • Pair with one clear accent color and a lighter or darker neutral step.

Reference Notes

Last Updated
2026-09-03
Source Library
CSS Standard Colors
Methodology
Verified source values + site guidance
Color Notes

Slate Gray is sourced from the published CSS Standard Colors library and retained here as a searchable reference swatch for product and interface reference work.

Hue Family

Core neutrals for typography, surfaces, and systems.

Source Collections
CSS Named Colors

Related Colors

Palette Starting Points

Implementation Snippets

CSS Variables
:root {
  --color-slate-gray: #708090;
  --color-slate-gray-rgb: 112 128 144;
}
Utility Class
class="bg-[#708090] text-white"
class="hover:bg-[#515C68] ring-1 ring-[#708090]"
JSON Token
{
  "slateGray": "#708090",
  "slateGrayRgb": [112, 128, 144],
  "slateGrayHsl": [210, 13, 50]
}