#C73937#C73937
#C73937 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.7% C 0.179 H 25.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).
Color values
| HEX | #C73937 |
|---|---|
| RGB | rgb(199, 57, 55) |
| HSL | hsl(1, 57%, 50%) |
| HSV | hsv(1, 72%, 78%) |
| CMYK | cmyk(0%, 71.4%, 72.4%, 22%) |
| CIE-LAB | lab(46.11, 55.65, 34.41) |
| CIE-LCH | lch(46.11, 65.44, 31.73°) |
| OKLab | oklab(55.69% 0.1614 0.0782) |
| OKLCH | oklch(55.69% 0.179 25.8) |
| XYZ | xyz(25.7088, 15.3481, 5.2225) |
| Luminance | 0.1534 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.96
Dull Red
#BB3F3F
ΔE00 2.97
Cherry (survey)
#CF0234
ΔE00 5.26
Crimson
#DC143C
ΔE00 5.30
Cardinal
#C41E3A
ΔE00 5.74
Faded Red
#D3494E
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C73937 #37C5C7
analogous
#C7377D #C73937 #C78137
triadic
#C73937 #37C739 #3937C7
tetradic
#C73937 #7DC737 #37C5C7 #8137C7
square
#C73937 #7DC737 #37C5C7 #8137C7
split-complementary
#C73937 #37C781 #377DC7
monochromatic
#671E1C #972B2A #C73937 #D56866 #E29796
Accessibility & contrast
On white
5.16
#C73937 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.07
#C73937 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C73937
5.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C73937 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C73937 | 1.00 | 5.16 | 4.07 | 5.16 |
| #FFFFFF | 5.16 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.16 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625A35
Deuteranopia (green-blind)
#857832
Tritanopia (blue-blind)
#DB003A
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #c73937; /* rgb */ color: rgb(199, 57, 55); /* oklch */ color: oklch(55.7% 0.179 25.8);
Tailwind
colors: {
custom: {
50: '#e0796e',
500: '#c73937',
950: '#000000',
},
}SCSS
$custom: #c73937; $custom-light: #e0796e; $custom-dark: #000000;
JSON
{
"hex": "#c73937",
"rgb": {
"r": 199,
"g": 57,
"b": 55
},
"hsl": {
"h": 0.833,
"s": 56.693,
"l": 49.804
},
"oklch": {
"l": 0.55686,
"c": 0.17937,
"h": 25.8
},
"luminance": 0.15344
}Semantic roles & 50–950 ramp
primary
#C73937
secondary
#8CCDCD
accent
#DEE048
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A