🧠 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
#CB180B
RGB
rgb(203, 24, 11)
HSL
hsl(4°, 90%, 42%)
CMYK
C:0% M:88% Y:95% K:20%
Luminance
0.1327
WCAG Accessibility
Aa — #CB180B
Secondary text
✓ AA
✗ AAA
✓ AA Large
Aa — #CB180B
Secondary text
✗ AA
✗ AAA
✓ AA Large
All harmonies
Complementary
#CB180B
#0BBFCB
Analogous
#CB0B5E
#CB180B
#CB780B
Triadic
#CB180B
#0BCB18
#180BCB
Split-comp.
#CB180B
#0BCB78
#0B5ECB
Tetradic
#CB180B
#5ECB0B
#0BBFCB
#780BCB
Monochromatic
#F6B1AC
#EC5B51
#C12115
#931910
#4E0D09
Suggested palettes for this hue.