Crimson (900C1D) — Shades, Harmonies, Palettes, CSS Code

"Crimson"

Red · Winter

🧠 Psychology

Color of energy and passion. Red stimulates attention and evokes urgency, love or strength.

✨ Uses

CTAs, alerts, fashion, beauty, food, sport.

Tip

Crimson pairs ideally with #F7F5F0 (off-white) and a neutral background for a modern, readable result.

Values

HEX #900C1D

RGB rgb(144, 12, 29)

HSL hsl(352°, 85%, 31%)

CMYK C:0% M:92% Y:80% K:44%

Luminance 0.0619

WCAG Accessibility

On white 9.31:1

Aa — #900C1D

Secondary text

✓ AA ✓ AAA ✓ AA Large

On black 2.26:1

Aa — #900C1D

Secondary text

✗ AA ✗ AAA ✗ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#900C1D #0C9280

Analogous

#920C61 #900C1D #923D0C

Triadic

#900C1D #1E920C #0C1E92

Split-comp.

#900C1D #0C923D #0C6192

Tetradic

#900C1D #61920C #0C9280 #3D0C92

Monochromatic

#ED7E8C #E0243D #8A1424 #5E0D18 #1B0407

Suggested palettes for this hue.

Matcha View all →

Blue Serenity View all →

Chocolate View all →