Crimson (400717) — 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 #400717

RGB rgb(64, 7, 23)

HSL hsl(343°, 80%, 14%)

CMYK C:0% M:89% Y:64% K:75%

Luminance 0.0108

WCAG Accessibility

On white 16.66:1

Aa — #400717

Secondary text

✓ AA ✓ AAA ✓ AA Large

On black 1.26:1

Aa — #400717

Secondary text

✗ AA ✗ AAA ✗ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#400717 #074030

Analogous

#400734 #400717 #401407

Triadic

#400717 #174007 #071740

Split-comp.

#400717 #074014 #073440

Tetradic

#400717 #344007 #074030 #140740

Monochromatic

#DC3866 #931A3C #3D0B19 #110307 #000000

Suggested palettes for this hue.

Leather & Wood View all →

Night Velvet View all →

Cherry Blossom View all →