#C55639#C55639
#C55639 is a mid, vivid red. Relative luminance 0.188; OKLCH L 58.9% C 0.149 H 35.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #C55639 |
|---|---|
| RGB | rgb(197, 86, 57) |
| HSL | hsl(12, 55%, 50%) |
| HSV | hsv(12, 71%, 77%) |
| CMYK | cmyk(0%, 56.3%, 71.1%, 22.7%) |
| CIE-LAB | lab(50.48, 42.51, 38.19) |
| CIE-LCH | lch(50.48, 57.15, 41.94°) |
| OKLab | oklab(58.92% 0.121 0.0869) |
| OKLCH | oklch(58.92% 0.149 35.7) |
| XYZ | xyz(27.0949, 18.8248, 6.0769) |
| Luminance | 0.1882 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Terracotta (survey)
#CA6641
ΔE00 4.92
Terra Cotta
#C9643B
ΔE00 5.03
Terracota
#CB6843
ΔE00 5.46
Clay
#B66A50
ΔE00 6.34
Adobe
#BD6C48
ΔE00 6.83
Dark Salmon
#C85A53
ΔE00 7.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C55639 #39A8C5
analogous
#C53962 #C55639 #C59C39
triadic
#C55639 #39C556 #5639C5
tetradic
#C55639 #62C539 #39A8C5 #9C39C5
square
#C55639 #62C539 #39A8C5 #9C39C5
split-complementary
#C55639 #39C59C #3962C5
monochromatic
#662D1E #96412B #C55639 #D37E68 #E1A797
Accessibility & contrast
On white
4.41
#C55639 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.76
#C55639 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #C55639
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C55639 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##C55639 | 1.00 | 4.41 | 4.76 | 4.76 |
| #FFFFFF | 4.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#746936
Deuteranopia (green-blind)
#8F8136
Tritanopia (blue-blind)
#D83E50
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #c55639; /* rgb */ color: rgb(197, 86, 57); /* oklch */ color: oklch(58.9% 0.149 35.7);
Tailwind
colors: {
custom: {
50: '#dd8970',
500: '#c55639',
950: '#000000',
},
}SCSS
$custom: #c55639; $custom-light: #dd8970; $custom-dark: #000000;
JSON
{
"hex": "#c55639",
"rgb": {
"r": 197,
"g": 86,
"b": 57
},
"hsl": {
"h": 12.429,
"s": 55.118,
"l": 49.804
},
"oklch": {
"l": 0.5892,
"c": 0.14895,
"h": 35.7
},
"luminance": 0.18821
}Semantic roles & 50–950 ramp
primary
#C55639
secondary
#8DBFCD
accent
#C0DE49
background
#FEF8F6
surface
#FDF0EC
border
#D5CBC7
text
#160C07
muted
#847D7A