Crimson (3F091A) — 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 #3F091A

RGB rgb(63, 9, 26)

HSL hsl(341°, 75%, 14%)

CMYK C:0% M:86% Y:59% K:75%

Luminance 0.0107

WCAG Accessibility

On white 16.6:1

Aa — #3F091A

Secondary text

✓ AA ✓ AAA ✓ AA Large

On black 1.27:1

Aa — #3F091A

Secondary text

✗ AA ✗ AAA ✗ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#3F091A #093E2E

Analogous

#3E0935 #3F091A #3E1309

Triadic

#3F091A #1A3E09 #091A3E

Split-comp.

#3F091A #093E13 #09353E

Tetradic

#3F091A #353E09 #093E2E #13093E

Monochromatic

#D63D6E #8F1E42 #3B0C1B #110408 #000000

Suggested palettes for this hue.

Golden Autumn View all →

Night Velvet View all →

Tokyo Neon View all →