CSS named color

Crimson #DC143C

Crimson is vivid red. Below: every color format, WCAG contrast against black and white, its tints, shades and tones, and the harmonies that pair with it.

Color values

Contrast & accessibility

WCAG contrast ratio of Crimson used as a foreground on white and black backgrounds.

Aa The quick brown fox

4.99:1

On white

AA ✓ AAA ✕ AA Large ✓

Aa The quick brown fox

4.21:1

On black

AA ✕ AAA ✕ AA Large ✓

Tints, shades & tones

Systematic variations of Crimson — click any swatch to copy its hex.

Tintsmixed toward white

Shadesmixed toward black

Tonesmixed toward gray

Color harmonies

Palettes built from Crimson by rotating its hue. Each swatch links to its closest named color.

Complementary

#DC143C ≈ Firebrick #14DBB4 ≈ Dark Turquoise

Analogous

#DB14A0 ≈ Medium Violet Red #DC143C ≈ Firebrick #DB5014 ≈ Chocolate

Triadic

#DC143C ≈ Firebrick #3CDB14 ≈ Lime Green #143CDB ≈ Royal Blue

Split-complementary

#DC143C ≈ Firebrick #14DB50 ≈ Lime Green #14A0DB ≈ Dodger Blue

Tetradic

#DC143C ≈ Firebrick #A0DB14 ≈ Yellow Green #14DBB4 ≈ Dark Turquoise #5014DB ≈ Blue Violet

Use Crimson in your stack

Tailwind (arbitrary value)

Works for any property: text-[#dc143c], border-[#dc143c].

CSS custom property

Reference it anywhere with var(--color).

Build a full theme

Turn Crimson into a complete shadcn/ui palette — light & dark, contrast-checked, one-command install.

Extract a theme →

Similar named colors

Firebrick #B22222 Brown #A52A2A Red #FF0000 Medium Violet Red #C71585 Deep Pink #FF1493 Orange Red #FF4500

← All CSS named colors