#C73839#C73839
#C73839 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.180 H 24.9°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #C73839 |
|---|---|
| RGB | rgb(199, 56, 57) |
| HSL | hsl(360, 56%, 50%) |
| HSV | hsv(360, 72%, 78%) |
| CMYK | cmyk(0%, 71.9%, 71.4%, 22%) |
| CIE-LAB | lab(46.00, 56.11, 33.13) |
| CIE-LCH | lch(46.00, 65.16, 30.56°) |
| OKLab | oklab(55.62% 0.1633 0.0758) |
| OKLCH | oklch(55.62% 0.18 24.9) |
| XYZ | xyz(25.7088, 15.2697, 5.4638) |
| Luminance | 0.1527 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.73
Dull Red
#BB3F3F
ΔE00 2.56
Cherry (survey)
#CF0234
ΔE00 4.71
Crimson
#DC143C
ΔE00 4.76
Cardinal
#C41E3A
ΔE00 5.08
Faded Red
#D3494E
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C73839 #38C7C6
analogous
#C73881 #C73839 #C77E38
triadic
#C73839 #39C738 #3839C7
tetradic
#C73839 #81C738 #38C7C6 #7E38C7
square
#C73839 #81C738 #38C7C6 #7E38C7
split-complementary
#C73839 #38C77E #3881C7
monochromatic
#671D1E #972B2B #C73839 #D46869 #E29898
Accessibility & contrast
On white
5.18
#C73839 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.05
#C73839 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C73839
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C73839 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C73839 | 1.00 | 5.18 | 4.05 | 5.18 |
| #FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615938
Deuteranopia (green-blind)
#857834
Tritanopia (blue-blind)
#DB003A
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #c73839; /* rgb */ color: rgb(199, 56, 57); /* oklch */ color: oklch(55.6% 0.180 24.9);
Tailwind
colors: {
custom: {
50: '#e0796f',
500: '#c73839',
950: '#000000',
},
}SCSS
$custom: #c73839; $custom-light: #e0796f; $custom-dark: #000000;
JSON
{
"hex": "#c73839",
"rgb": {
"r": 199,
"g": 56,
"b": 57
},
"hsl": {
"h": 359.58,
"s": 56.078,
"l": 50
},
"oklch": {
"l": 0.55615,
"c": 0.18002,
"h": 24.9
},
"luminance": 0.15266
}Semantic roles & 50–950 ramp
primary
#C73839
secondary
#8DCDCD
accent
#DFDE48
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A