🧠 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
#631B04
RGB
rgb(99, 27, 4)
HSL
hsl(15°, 92%, 20%)
CMYK
C:0% M:73% Y:96% K:61%
Luminance
0.0316
WCAG Accessibility
Aa — #631B04
Secondary text
✓ AA
✓ AAA
✓ AA Large
Aa — #631B04
Secondary text
✗ AA
✗ AAA
✗ AA Large
All harmonies
Complementary
#631B04
#044A62
Analogous
#62041C
#631B04
#624A04
Triadic
#631B04
#04621C
#1C0462
Split-comp.
#631B04
#04624A
#041C62
Tetradic
#631B04
#1C6204
#044A62
#4A0462
Monochromatic
#ED6F45
#BA3C12
#5D1E09
#2E0F05
#000000
Suggested palettes for this hue.