#C63A43#C63A43
#C63A43 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.8% C 0.176 H 21.6°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #C63A43 |
|---|---|
| RGB | rgb(198, 58, 67) |
| HSL | hsl(356, 55%, 50%) |
| HSV | hsv(356, 71%, 78%) |
| CMYK | cmyk(0%, 70.7%, 66.2%, 22.4%) |
| CIE-LAB | lab(46.23, 55.57, 27.44) |
| CIE-LCH | lch(46.23, 61.98, 26.28°) |
| OKLab | oklab(55.8% 0.1638 0.0648) |
| OKLCH | oklch(55.8% 0.176 21.6) |
| XYZ | xyz(25.8176, 15.4409, 6.9300) |
| Luminance | 0.1544 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.52
Reddish
#C44240
ΔE00 2.57
Dusty Red
#B9484E
ΔE00 3.52
Cardinal
#C41E3A
ΔE00 3.93
Crimson
#DC143C
ΔE00 4.09
Cherry (survey)
#CF0234
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C63A43 #3AC6BD
analogous
#C63A89 #C63A43 #C6773A
triadic
#C63A43 #43C63A #3A43C6
tetradic
#C63A43 #89C63A #3AC6BD #773AC6
square
#C63A43 #89C63A #3AC6BD #773AC6
split-complementary
#C63A43 #3AC677 #3A89C6
monochromatic
#681E23 #972C33 #C63A43 #D46970 #E1999E
Accessibility & contrast
On white
5.14
#C63A43 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#C63A43 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C63A43
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C63A43 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C63A43 | 1.00 | 5.14 | 4.09 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615B42
Deuteranopia (green-blind)
#84783F
Tritanopia (blue-blind)
#D90B3F
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #c63a43; /* rgb */ color: rgb(198, 58, 67); /* oklch */ color: oklch(55.8% 0.176 21.6);
Tailwind
colors: {
custom: {
50: '#df7a77',
500: '#c63a43',
950: '#000000',
},
}SCSS
$custom: #c63a43; $custom-light: #df7a77; $custom-dark: #000000;
JSON
{
"hex": "#c63a43",
"rgb": {
"r": 198,
"g": 58,
"b": 67
},
"hsl": {
"h": 356.143,
"s": 55.118,
"l": 50.196
},
"oklch": {
"l": 0.55801,
"c": 0.17615,
"h": 21.6
},
"luminance": 0.15437
}Semantic roles & 50–950 ramp
primary
#C63A43
secondary
#8FCDC9
accent
#DED549
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#170A08
muted
#857C7B