🧠 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
#660A21
RGB
rgb(102, 10, 33)
HSL
hsl(345°, 82%, 22%)
CMYK
C:0% M:90% Y:68% K:60%
Luminance
0.0297
WCAG Accessibility
Aa — #660A21
Secondary text
✓ AA
✓ AAA
✓ AA Large
Aa — #660A21
Secondary text
✗ AA
✗ AAA
✗ AA Large
All harmonies
Complementary
#660A21
#0A664F
Analogous
#660A4F
#660A21
#66210A
Triadic
#660A21
#21660A
#0A2166
Split-comp.
#660A21
#0A6621
#0A4F66
Tetradic
#660A21
#4F660A
#0A664F
#210A66
Monochromatic
#E4587B
#B81E45
#601024
#350914
#000000
Suggested palettes for this hue.