#C83937#C83937
#C83937 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.180 H 25.9°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #C83937 |
|---|---|
| RGB | rgb(200, 57, 55) |
| HSL | hsl(1, 57%, 50%) |
| HSV | hsv(1, 73%, 78%) |
| CMYK | cmyk(0%, 71.5%, 72.5%, 21.6%) |
| CIE-LAB | lab(46.29, 55.97, 34.68) |
| CIE-LCH | lch(46.29, 65.84, 31.78°) |
| OKLab | oklab(55.86% 0.1623 0.0787) |
| OKLCH | oklch(55.86% 0.18 25.9) |
| XYZ | xyz(25.9751, 15.4854, 5.2349) |
| Luminance | 0.1548 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.99
Dull Red
#BB3F3F
ΔE00 3.14
Crimson
#DC143C
ΔE00 5.24
Cherry (survey)
#CF0234
ΔE00 5.32
Faded Red
#D3494E
ΔE00 5.74
Cardinal
#C41E3A
ΔE00 5.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C83937 #37C6C8
analogous
#C8377D #C83937 #C88237
triadic
#C83937 #37C839 #3937C8
tetradic
#C83937 #7DC837 #37C6C8 #8237C8
square
#C83937 #7DC837 #37C6C8 #8237C8
split-complementary
#C83937 #37C882 #377DC8
monochromatic
#681E1D #982B2A #C83937 #D56967 #E29897
Accessibility & contrast
On white
5.13
#C83937 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.10
#C83937 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C83937
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C83937 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C83937 | 1.00 | 5.13 | 4.10 | 5.13 |
| #FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625A35
Deuteranopia (green-blind)
#867932
Tritanopia (blue-blind)
#DC003A
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #c83937; /* rgb */ color: rgb(200, 57, 55); /* oklch */ color: oklch(55.9% 0.180 25.9);
Tailwind
colors: {
custom: {
50: '#e1796e',
500: '#c83937',
950: '#000000',
},
}SCSS
$custom: #c83937; $custom-light: #e1796e; $custom-dark: #000000;
JSON
{
"hex": "#c83937",
"rgb": {
"r": 200,
"g": 57,
"b": 55
},
"hsl": {
"h": 0.828,
"s": 56.863,
"l": 50
},
"oklch": {
"l": 0.55857,
"c": 0.18039,
"h": 25.9
},
"luminance": 0.15481
}Semantic roles & 50–950 ramp
primary
#C83937
secondary
#8DCDCE
accent
#DEE048
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A