CSS Named Color Reference

Dark Red Color Code

Dark Red·#8B0000

Red FamilyWarmDark toneHigh saturationoklch(40.0% 0.164 29)
HEX
#8B0000Primary token
RGB
rgb(139, 0, 0)Screen values
HSL
hsl(0 100% 27%)Hue and lightness
CMYK
0, 100, 100, 45Print handoff
LAB
28, 51, 41Perceptual reference
OKLCH
oklch(40.0% 0.164 29)Modern perceptual

Dark Red is a deep, high-saturation CSS named color at #8B0000. If you searched for dark red hex code, 8B0000, or dark red RGB, this page gives the exact color value, conversion formats, contrast checks, nearby colors, and links into the lookup and converter workflows.

Best text colorWhite text
Body text contrast10.01:1
Best UseAlerts, destructive actions, high-energy CTAs, and urgent interface signals

Tonal Scale

100#EAD1D1
300#CA8A8A
500#A02E2E
600#8B0000
800#640000

Contrast Checks

White text on this color

Buttons, badges, and filled actions.

10.01:1AAA-level contrast

Dark text on this color

Large headings and selective UI.

1.71:1Needs more separation

This color on light surface

Links, borders, and icons on light UI.

9.51:1AAA-level contrast
Best text colorWhite textContrast 10.01:1

Professional Reference

OKLCHoklch(40.0% 0.164 29)
Relative Luminance0.0549
Source TypeCSS Named Color
Classification
Red FamilyWarmDark toneHigh saturation
Source Context
Source Type
CSS Named Color
System
CSS
Closest Matches
Ant Design Volcano 9MaroonTailwind Red 800
Color Notes
  • Dark Red is kept as an exact CSS named color for #8B0000.
  • Queries for dark red color code, 8B0000, or dark red 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.

10.01:1AAA

Dark text on this color

Dark text or headings on the current color.

1.71:1Needs more separation

This color on light surface

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

9.51:1AAA

This color on dark surface

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

1.71:1Needs more separation
Best text colorWhite textContrast 10.01:1 · AAA

Where It Works

  • Use it for alerts, errors, destructive actions, urgent badges, and high-energy accents.
  • Keep red focused because broad red surfaces can feel heavy or stressful.
  • Pair with white, warm neutrals, deep red shades, and restrained supporting colors.

Reference Notes

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

Dark Red 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

High-energy warm reds for editorial and alerts.

Source Collections
CSS Named Colors

Related Colors

Palette Starting Points

Implementation Snippets

CSS Variables
:root {
  --color-dark-red: #8B0000;
  --color-dark-red-rgb: 139 0 0;
}
Utility Class
class="bg-[#8B0000] text-white"
class="hover:bg-[#640000] ring-1 ring-[#8B0000]"
JSON Token
{
  "darkRed": "#8B0000",
  "darkRedRgb": [139, 0, 0],
  "darkRedHsl": [0, 100, 27]
}