#C73F33#C73F33
#C73F33 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.3% C 0.174 H 28.8°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #C73F33 |
|---|---|
| RGB | rgb(199, 63, 51) |
| HSL | hsl(5, 59%, 49%) |
| HSV | hsv(5, 74%, 78%) |
| CMYK | cmyk(0%, 68.3%, 74.4%, 22%) |
| CIE-LAB | lab(46.90, 53.19, 37.58) |
| CIE-LCH | lch(46.90, 65.12, 35.24°) |
| OKLab | oklab(56.26% 0.1528 0.0842) |
| OKLCH | oklch(56.26% 0.174 28.8) |
| XYZ | xyz(25.9311, 15.9400, 4.8426) |
| Luminance | 0.1594 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 3.46
Dull Red
#BB3F3F
ΔE00 4.75
Dark Coral
#CF524E
ΔE00 6.28
Faded Red
#D3494E
ΔE00 6.82
Dark Salmon
#C85A53
ΔE00 7.21
Firebrick
#B22222
ΔE00 7.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C73F33 #33BBC7
analogous
#C73371 #C73F33 #C78933
triadic
#C73F33 #33C73F #3F33C7
tetradic
#C73F33 #71C733 #33BBC7 #8933C7
square
#C73F33 #71C733 #33BBC7 #8933C7
split-complementary
#C73F33 #33C789 #3371C7
monochromatic
#66201A #963027 #C73F33 #D66A61 #E39891
Accessibility & contrast
On white
5.02
#C73F33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#C73F33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C73F33
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C73F33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C73F33 | 1.00 | 5.02 | 4.19 | 5.02 |
| #FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#665C31
Deuteranopia (green-blind)
#887A2E
Tritanopia (blue-blind)
#DB133D
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #c73f33; /* rgb */ color: rgb(199, 63, 51); /* oklch */ color: oklch(56.3% 0.174 28.8);
Tailwind
colors: {
custom: {
50: '#e07c6b',
500: '#c73f33',
950: '#000000',
},
}SCSS
$custom: #c73f33; $custom-light: #e07c6b; $custom-dark: #000000;
JSON
{
"hex": "#c73f33",
"rgb": {
"r": 199,
"g": 63,
"b": 51
},
"hsl": {
"h": 4.865,
"s": 59.2,
"l": 49.02
},
"oklch": {
"l": 0.56259,
"c": 0.17449,
"h": 28.8
},
"luminance": 0.15936
}Semantic roles & 50–950 ramp
primary
#C73F33
secondary
#88C8CE
accent
#D6E245
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A07
muted
#857C7A