#C63535#C63535
#C63535 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.1% C 0.182 H 25.5°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #C63535 |
|---|---|
| RGB | rgb(198, 53, 53) |
| HSL | hsl(0, 58%, 49%) |
| HSV | hsv(0, 73%, 78%) |
| CMYK | cmyk(0%, 73.2%, 73.2%, 22.4%) |
| CIE-LAB | lab(45.38, 56.69, 34.69) |
| CIE-LCH | lch(45.38, 66.46, 31.46°) |
| OKLab | oklab(55.1% 0.1644 0.0784) |
| OKLCH | oklch(55.1% 0.182 25.5) |
| XYZ | xyz(25.2073, 14.8129, 4.8994) |
| Luminance | 0.1481 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.46
Dull Red
#BB3F3F
ΔE00 2.91
Cherry (survey)
#CF0234
ΔE00 4.72
Crimson
#DC143C
ΔE00 5.19
Cardinal
#C41E3A
ΔE00 5.21
Firebrick
#B22222
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C63535 #35C6C6
analogous
#C6357E #C63535 #C67E35
triadic
#C63535 #35C635 #3535C6
tetradic
#C63535 #7EC635 #35C6C6 #7E35C6
square
#C63535 #7EC635 #35C6C6 #7E35C6
split-complementary
#C63535 #35C67E #357EC6
monochromatic
#651B1B #962828 #C63535 #D56363 #E29393
Accessibility & contrast
On white
5.30
#C63535 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.96
#C63535 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C63535
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C63535 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C63535 | 1.00 | 5.30 | 3.96 | 5.30 |
| #FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#605733
Deuteranopia (green-blind)
#847730
Tritanopia (blue-blind)
#DA0037
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #c63535; /* rgb */ color: rgb(198, 53, 53); /* oklch */ color: oklch(55.1% 0.182 25.5);
Tailwind
colors: {
custom: {
50: '#e0776c',
500: '#c63535',
950: '#000000',
},
}SCSS
$custom: #c63535; $custom-light: #e0776c; $custom-dark: #000000;
JSON
{
"hex": "#c63535",
"rgb": {
"r": 198,
"g": 53,
"b": 53
},
"hsl": {
"h": 0,
"s": 57.769,
"l": 49.216
},
"oklch": {
"l": 0.55099,
"c": 0.18214,
"h": 25.5
},
"luminance": 0.14809
}Semantic roles & 50–950 ramp
primary
#C63535
secondary
#8ACDCD
accent
#E1E147
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170907
muted
#857B7A