#C53837#C53837
#C53837 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.178 H 25.5°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #C53837 |
|---|---|
| RGB | rgb(197, 56, 55) |
| HSL | hsl(0, 56%, 49%) |
| HSV | hsv(0, 72%, 77%) |
| CMYK | cmyk(0%, 71.6%, 72.1%, 22.7%) |
| CIE-LAB | lab(45.60, 55.39, 33.74) |
| CIE-LCH | lch(45.60, 64.85, 31.35°) |
| OKLab | oklab(55.24% 0.1608 0.0768) |
| OKLCH | oklch(55.24% 0.178 25.5) |
| XYZ | xyz(25.1325, 14.9783, 5.1814) |
| Luminance | 0.1497 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.02
Dull Red
#BB3F3F
ΔE00 2.58
Cherry (survey)
#CF0234
ΔE00 4.95
Crimson
#DC143C
ΔE00 5.28
Cardinal
#C41E3A
ΔE00 5.29
Dusty Red
#B9484E
ΔE00 5.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C53837 #37C4C5
analogous
#C5377D #C53837 #C57F37
triadic
#C53837 #37C538 #3837C5
tetradic
#C53837 #7DC537 #37C4C5 #7F37C5
square
#C53837 #7DC537 #37C4C5 #7F37C5
split-complementary
#C53837 #37C57F #377DC5
monochromatic
#651D1C #952A2A #C53837 #D46665 #E19695
Accessibility & contrast
On white
5.26
#C53837 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#C53837 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C53837
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C53837 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C53837 | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615935
Deuteranopia (green-blind)
#847732
Tritanopia (blue-blind)
#D90039
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #c53837; /* rgb */ color: rgb(197, 56, 55); /* oklch */ color: oklch(55.2% 0.178 25.5);
Tailwind
colors: {
custom: {
50: '#df786e',
500: '#c53837',
950: '#000000',
},
}SCSS
$custom: #c53837; $custom-light: #df786e; $custom-dark: #000000;
JSON
{
"hex": "#c53837",
"rgb": {
"r": 197,
"g": 56,
"b": 55
},
"hsl": {
"h": 0.423,
"s": 56.349,
"l": 49.412
},
"oklch": {
"l": 0.55243,
"c": 0.17824,
"h": 25.5
},
"luminance": 0.14974
}Semantic roles & 50–950 ramp
primary
#C53837
secondary
#8BCCCD
accent
#DFE048
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A