#C55B3F#C55B3F
#C55B3F is a mid, vivid red. Relative luminance 0.197; OKLCH L 59.7% C 0.142 H 35.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).
Color values
| HEX | #C55B3F |
|---|---|
| RGB | rgb(197, 91, 63) |
| HSL | hsl(13, 54%, 51%) |
| HSV | hsv(13, 68%, 77%) |
| CMYK | cmyk(0%, 53.8%, 68%, 22.7%) |
| CIE-LAB | lab(51.51, 40.36, 36.09) |
| CIE-LCH | lch(51.51, 54.15, 41.80°) |
| OKLab | oklab(59.73% 0.1155 0.0834) |
| OKLCH | oklch(59.73% 0.142 35.8) |
| XYZ | xyz(27.6668, 19.7148, 7.0501) |
| Luminance | 0.1971 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Terracotta (survey)
#CA6641
ΔE00 4.03
Terra Cotta
#C9643B
ΔE00 4.41
Terracota
#CB6843
ΔE00 4.51
Clay
#B66A50
ΔE00 5.28
Adobe
#BD6C48
ΔE00 5.89
Terracotta
#C96F4A
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C55B3F #3FA9C5
analogous
#C53F66 #C55B3F #C59E3F
triadic
#C55B3F #3FC55B #5B3FC5
tetradic
#C55B3F #66C53F #3FA9C5 #9E3FC5
square
#C55B3F #66C53F #3FA9C5 #9E3FC5
split-complementary
#C55B3F #3FC59E #3F66C5
monochromatic
#6A2F20 #99442E #C55B3F #D3836E #E1AB9D
Accessibility & contrast
On white
4.25
#C55B3F on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.94
#C55B3F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #C55B3F
4.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C55B3F | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##C55B3F | 1.00 | 4.25 | 4.94 | 4.94 |
| #FFFFFF | 4.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#776C3C
Deuteranopia (green-blind)
#91843D
Tritanopia (blue-blind)
#D84655
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #c55b3f; /* rgb */ color: rgb(197, 91, 63); /* oklch */ color: oklch(59.7% 0.142 35.8);
Tailwind
colors: {
custom: {
50: '#dd8c75',
500: '#c55b3f',
950: '#000000',
},
}SCSS
$custom: #c55b3f; $custom-light: #dd8c75; $custom-dark: #000000;
JSON
{
"hex": "#c55b3f",
"rgb": {
"r": 197,
"g": 91,
"b": 63
},
"hsl": {
"h": 12.537,
"s": 53.6,
"l": 50.98
},
"oklch": {
"l": 0.59727,
"c": 0.14241,
"h": 35.8
},
"luminance": 0.19711
}Semantic roles & 50–950 ramp
primary
#C55B3F
secondary
#92C1CE
accent
#BEDD4B
background
#FEF8F7
surface
#FDF0ED
border
#D5CBC8
text
#160C08
muted
#847D7B