#C83733#C83733
#C83733 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.183 H 26.7°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #C83733 |
|---|---|
| RGB | rgb(200, 55, 51) |
| HSL | hsl(2, 59%, 49%) |
| HSV | hsv(2, 75%, 78%) |
| CMYK | cmyk(0%, 72.5%, 74.5%, 21.6%) |
| CIE-LAB | lab(45.98, 56.52, 36.62) |
| CIE-LCH | lch(45.98, 67.35, 32.94°) |
| OKLab | oklab(55.61% 0.1632 0.082) |
| OKLCH | oklch(55.61% 0.183 26.7) |
| XYZ | xyz(25.7861, 15.2547, 4.7180) |
| Luminance | 0.1525 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.79
Dull Red
#BB3F3F
ΔE00 3.74
Cherry (survey)
#CF0234
ΔE00 5.65
Crimson
#DC143C
ΔE00 5.79
Firebrick
#B22222
ΔE00 6.30
Cardinal
#C41E3A
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C83733 #33C4C8
analogous
#C8337A #C83733 #C88233
triadic
#C83733 #33C837 #3733C8
tetradic
#C83733 #7AC833 #33C4C8 #8233C8
square
#C83733 #7AC833 #33C4C8 #8233C8
split-complementary
#C83733 #33C882 #337AC8
monochromatic
#661C1A #972A27 #C83733 #D76561 #E39492
Accessibility & contrast
On white
5.18
#C83733 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.05
#C83733 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C83733
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C83733 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C83733 | 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)
#625931
Deuteranopia (green-blind)
#86782E
Tritanopia (blue-blind)
#DC0038
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #c83733; /* rgb */ color: rgb(200, 55, 51); /* oklch */ color: oklch(55.6% 0.183 26.7);
Tailwind
colors: {
custom: {
50: '#e2786b',
500: '#c83733',
950: '#000000',
},
}SCSS
$custom: #c83733; $custom-light: #e2786b; $custom-dark: #000000;
JSON
{
"hex": "#c83733",
"rgb": {
"r": 200,
"g": 55,
"b": 51
},
"hsl": {
"h": 1.611,
"s": 59.363,
"l": 49.216
},
"oklch": {
"l": 0.55609,
"c": 0.18266,
"h": 26.7
},
"luminance": 0.15251
}Semantic roles & 50–950 ramp
primary
#C83733
secondary
#89CCCE
accent
#DEE345
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A06
muted
#857C7A