🧠 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
#660B21
RGB
rgb(102, 11, 33)
HSL
hsl(345°, 81%, 22%)
CMYK
C:0% M:89% Y:68% K:60%
Luminance
0.0298
WCAG Accessibility
Aa — #660B21
Secondary text
✓ AA
✓ AAA
✓ AA Large
Aa — #660B21
Secondary text
✗ AA
✗ AAA
✗ AA Large
All harmonies
Complementary
#660B21
#0B664F
Analogous
#660B4F
#660B21
#66210B
Triadic
#660B21
#21660B
#0B2166
Split-comp.
#660B21
#0B6621
#0B4F66
Tetradic
#660B21
#4F660B
#0B664F
#210B66
Monochromatic
#E3597C
#B71F45
#601024
#340914
#000000
Suggested palettes for this hue.