#C42531#C42531
#C42531 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.4% C 0.193 H 23.5°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #C42531 |
|---|---|
| RGB | rgb(196, 37, 49) |
| HSL | hsl(355, 68%, 46%) |
| HSV | hsv(355, 81%, 77%) |
| CMYK | cmyk(0%, 81.1%, 75%, 23.1%) |
| CIE-LAB | lab(43.19, 60.83, 34.44) |
| CIE-LCH | lch(43.19, 69.91, 29.51°) |
| OKLab | oklab(53.39% 0.1769 0.0771) |
| OKLCH | oklch(53.39% 0.193 23.5) |
| XYZ | xyz(23.9838, 13.2845, 4.2065) |
| Luminance | 0.1328 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cherry (survey)
#CF0234
ΔE00 2.91
Cardinal
#C41E3A
ΔE00 3.35
Lipstick Red
#C0022F
ΔE00 3.44
Dull Red
#BB3F3F
ΔE00 3.72
Reddish
#C44240
ΔE00 4.46
Firebrick
#B22222
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C42531 #25C4B8
analogous
#C42580 #C42531 #C46925
triadic
#C42531 #31C425 #2531C4
tetradic
#C42531 #80C425 #25C4B8 #6925C4
square
#C42531 #80C425 #25C4B8 #6925C4
split-complementary
#C42531 #25C469 #2580C4
monochromatic
#5D1217 #911B24 #C42531 #DD4955 #E67D85
Accessibility & contrast
On white
5.74
#C42531 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#C42531 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C42531
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C42531 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C42531 | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585030
Deuteranopia (green-blind)
#7F722B
Tritanopia (blue-blind)
#D8002C
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #c42531; /* rgb */ color: rgb(196, 37, 49); /* oklch */ color: oklch(53.4% 0.193 23.5);
Tailwind
colors: {
custom: {
50: '#df7069',
500: '#c42531',
950: '#000000',
},
}SCSS
$custom: #c42531; $custom-light: #df7069; $custom-dark: #000000;
JSON
{
"hex": "#c42531",
"rgb": {
"r": 196,
"g": 37,
"b": 49
},
"hsl": {
"h": 355.472,
"s": 68.24,
"l": 45.686
},
"oklch": {
"l": 0.53387,
"c": 0.19298,
"h": 23.5
},
"luminance": 0.13281
}Semantic roles & 50–950 ramp
primary
#C42531
secondary
#76CFC8
accent
#EBDE3D
background
#FFF7F6
surface
#FEEDEB
border
#D6C8C6
text
#170906
muted
#857B7A