#C13637#C13637
#C13637 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.4% C 0.176 H 24.9°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).
Color values
| HEX | #C13637 |
|---|---|
| RGB | rgb(193, 54, 55) |
| HSL | hsl(360, 56%, 48%) |
| HSV | hsv(360, 72%, 76%) |
| CMYK | cmyk(0%, 72%, 71.5%, 24.3%) |
| CIE-LAB | lab(44.60, 54.85, 32.38) |
| CIE-LCH | lch(44.60, 63.70, 30.55°) |
| OKLab | oklab(54.36% 0.1596 0.074) |
| OKLCH | oklch(54.36% 0.176 24.9) |
| XYZ | xyz(24.0038, 14.2552, 5.1013) |
| Luminance | 0.1425 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.01
Reddish
#C44240
ΔE00 2.52
Cardinal
#C41E3A
ΔE00 4.47
Cherry (survey)
#CF0234
ΔE00 4.48
Lipstick Red
#C0022F
ΔE00 5.29
Crimson
#DC143C
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C13637 #36C1C0
analogous
#C1367C #C13637 #C17A36
triadic
#C13637 #37C136 #3637C1
tetradic
#C13637 #7CC136 #36C1C0 #7A36C1
square
#C13637 #7CC136 #36C1C0 #7A36C1
split-complementary
#C13637 #36C17A #367CC1
monochromatic
#611B1C #912929 #C13637 #D36162 #E09192
Accessibility & contrast
On white
5.45
#C13637 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.85
#C13637 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C13637
5.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C13637 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C13637 | 1.00 | 5.45 | 3.85 | 5.45 |
| #FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.85 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5636
Deuteranopia (green-blind)
#817432
Tritanopia (blue-blind)
#D40038
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #c13637; /* rgb */ color: rgb(193, 54, 55); /* oklch */ color: oklch(54.4% 0.176 24.9);
Tailwind
colors: {
custom: {
50: '#dc776e',
500: '#c13637',
950: '#000000',
},
}SCSS
$custom: #c13637; $custom-light: #dc776e; $custom-dark: #000000;
JSON
{
"hex": "#c13637",
"rgb": {
"r": 193,
"g": 54,
"b": 55
},
"hsl": {
"h": 359.568,
"s": 56.275,
"l": 48.431
},
"oklch": {
"l": 0.54356,
"c": 0.17597,
"h": 24.9
},
"luminance": 0.14252
}Semantic roles & 50–950 ramp
primary
#C13637
secondary
#88CBCB
accent
#E0DE48
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170907
muted
#857B7A