🧠 Psychology
Color of energy and passion. Red stimulates attention and evokes urgency, love or strength.
✨ Uses
CTAs, alerts, fashion, beauty, food, sport.
Tip
Rust pairs ideally with #F7F5F0 (off-white) and a neutral background for a modern, readable result.
Values
HEX
#B21D05
RGB
rgb(178, 29, 5)
HSL
hsl(8°, 95%, 36%)
CMYK
C:0% M:84% Y:97% K:30%
Luminance
0.1024
WCAG Accessibility
Aa — #B21D05
Secondary text
✓ AA
✗ AAA
✓ AA Large
Aa — #B21D05
Secondary text
✗ AA
✗ AAA
✓ AA Large
All harmonies
Complementary
#B21D05
#059CB3
Analogous
#B30545
#B21D05
#B37305
Triadic
#B21D05
#05B31C
#1C05B3
Split-comp.
#B21D05
#05B373
#0545B3
Tetradic
#B21D05
#45B305
#059CB3
#7305B3
Monochromatic
#F69C8E
#EE492F
#AA230E
#7B190A
#340B04
Suggested palettes for this hue.