🧠 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
#A21729
RGB
rgb(162, 23, 41)
HSL
hsl(352°, 75%, 36%)
CMYK
C:0% M:86% Y:75% K:36%
Luminance
0.0833
WCAG Accessibility
Aa — #A21729
Secondary text
✓ AA
✓ AAA
✓ AA Large
Aa — #A21729
Secondary text
✗ AA
✗ AAA
✗ AA Large
All harmonies
Complementary
#A21729
#17A18E
Analogous
#A1176E
#A21729
#A14917
Triadic
#A21729
#29A117
#1729A1
Split-comp.
#A21729
#17A149
#176EA1
Tetradic
#A21729
#6EA117
#17A18E
#4917A1
Monochromatic
#EA9AA5
#D84659
#972030
#6D1723
#2E0A0F
Suggested palettes for this hue.