#C73D33#C73D33
#C73D33 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.176 H 28.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).
Color values
| HEX | #C73D33 |
|---|---|
| RGB | rgb(199, 61, 51) |
| HSL | hsl(4, 59%, 49%) |
| HSV | hsv(4, 74%, 78%) |
| CMYK | cmyk(0%, 69.3%, 74.4%, 22%) |
| CIE-LAB | lab(46.61, 53.97, 37.26) |
| CIE-LCH | lch(46.61, 65.58, 34.62°) |
| OKLab | oklab(56.04% 0.1553 0.0835) |
| OKLCH | oklch(56.04% 0.176 28.3) |
| XYZ | xyz(25.8224, 15.7225, 4.8064) |
| Luminance | 0.1572 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 3.18
Dull Red
#BB3F3F
ΔE00 4.39
Dark Coral
#CF524E
ΔE00 6.35
Faded Red
#D3494E
ΔE00 6.71
Firebrick
#B22222
ΔE00 6.90
Crimson
#DC143C
ΔE00 6.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C73D33 #33BDC7
analogous
#C73373 #C73D33 #C78733
triadic
#C73D33 #33C73D #3D33C7
tetradic
#C73D33 #73C733 #33BDC7 #8733C7
square
#C73D33 #73C733 #33BDC7 #8733C7
split-complementary
#C73D33 #33C787 #3373C7
monochromatic
#661F1A #962E27 #C73D33 #D66961 #E39791
Accessibility & contrast
On white
5.07
#C73D33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.14
#C73D33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C73D33
5.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C73D33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C73D33 | 1.00 | 5.07 | 4.14 | 5.07 |
| #FFFFFF | 5.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#655B31
Deuteranopia (green-blind)
#877A2E
Tritanopia (blue-blind)
#DB0C3C
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #c73d33; /* rgb */ color: rgb(199, 61, 51); /* oklch */ color: oklch(56.0% 0.176 28.3);
Tailwind
colors: {
custom: {
50: '#e17b6b',
500: '#c73d33',
950: '#000000',
},
}SCSS
$custom: #c73d33; $custom-light: #e17b6b; $custom-dark: #000000;
JSON
{
"hex": "#c73d33",
"rgb": {
"r": 199,
"g": 61,
"b": 51
},
"hsl": {
"h": 4.054,
"s": 59.2,
"l": 49.02
},
"oklch": {
"l": 0.56044,
"c": 0.17632,
"h": 28.3
},
"luminance": 0.15719
}Semantic roles & 50–950 ramp
primary
#C73D33
secondary
#88C9CE
accent
#D8E245
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A07
muted
#857C7A