CSS Named Color Reference

Dark Cyan Color Code

Dark Cyan·#008B8B

Cyan FamilyCoolDark toneHigh saturationoklch(57.7% 0.098 195)
HEX
#008B8BPrimary token
RGB
rgb(0, 139, 139)Screen values
HSL
hsl(180 100% 27%)Hue and lightness
CMYK
100, 0, 0, 45Print handoff
LAB
52, -31, -9Perceptual reference
OKLCH
oklch(57.7% 0.098 195)Modern perceptual

Dark Cyan is a deeper CSS named cyan at #008B8B that trades the brightness of Cyan for more weight and structure. Use it when you need a technical blue-green for dashboards, industrial UI, data controls, and interfaces that should feel cooler and more grounded than electric aqua accents.

Best text colorWhite text
Body text contrast4.15:1
Best UseSerious data UI, technical surfaces, and restrained blue-green structure

Tonal Scale

100#D1EAEA
300#8ACACA
500#2EA0A0
600#008B8B
800#006464

Contrast Checks

White text on this color

Buttons, badges, and filled actions.

4.15:1Large text / UI only

Dark text on this color

Large headings and selective UI.

4.14:1Large text / UI only

This color on light surface

Links, borders, and icons on light UI.

3.94:1Large text / UI only
Best text colorWhite textContrast 4.15:1

Professional Reference

OKLCHoklch(57.7% 0.098 195)
Relative Luminance0.2033
Source TypeCSS Named Color
Classification
Cyan FamilyCoolDark toneHigh saturation
Source Context
Source Type
CSS Named Color
System
CSS
Closest Matches
TealAnt Design Cyan 7Tailwind Teal 600

Accessibility Matrix

White text on this color

White text placed on the current color.

4.15:1Large text / UI only

Dark text on this color

Dark text or headings on the current color.

4.14:1Large text / UI only

This color on light surface

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

3.94:1Large text / UI only

This color on dark surface

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

4.14:1Large text / UI only
Best text colorWhite textContrast 4.15:1 · Large text / UI only

Where It Works

  • Dashboards, technical controls, and serious blue-green accents.
  • More structured than Cyan, less bright than Aqua.
  • Pairs with white, charcoal neutrals, and lighter turquoise accents.

Reference Notes

Last Updated
2026-06-09
Source Library
CSS Standard Colors
Methodology
Verified source values + site guidance
Color Notes

Dark Cyan is sourced from the published CSS Standard Colors library and retained here as a searchable reference swatch for product, interface, and branding work.

Hue Family

Clean cyan and teal hues for product UIs.

Source Collections
CSS Named Colors

Related Colors

Palette Starting Points

Implementation Snippets

CSS Variables
:root {
  --color-dark-cyan: #008B8B;
  --color-dark-cyan-rgb: 0 139 139;
}
Utility Class
class="bg-[#008B8B] text-white"
class="hover:bg-[#006464] ring-1 ring-[#008B8B]"
JSON Token
{
  "darkCyan": "#008B8B",
  "darkCyanRgb": [0, 139, 139],
  "darkCyanHsl": [180, 100, 27]
}