Dark Red (640B02) — Shades, Harmonies, Palettes, CSS Code

"Dark Red"

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

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

Values

HEX #640B02

RGB rgb(100, 11, 2)

HSL hsl(6°, 96%, 20%)

CMYK C:0% M:89% Y:98% K:61%

Luminance 0.0278

WCAG Accessibility

On white 13.2:1

Aa — #640B02

Secondary text

✓ AA ✓ AAA ✓ AA Large

On black 1.59:1

Aa — #640B02

Secondary text

✗ AA ✗ AAA ✗ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#640B02 #025A64

Analogous

#640229 #640B02 #643D02

Triadic

#640B02 #02640C #0C0264

Split-comp.

#640B02 #02643D #022964

Tetradic

#640B02 #296402 #025A64 #3D0264

Monochromatic

#F15341 #BE200E #5F1007 #2F0804 #000000

Suggested palettes for this hue.

Sunset View all →

Red Passion View all →

Kyoto Zen View all →