#C63735#C63735
#C63735 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.180 H 26.0°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #C63735 |
|---|---|
| RGB | rgb(198, 55, 53) |
| HSL | hsl(1, 58%, 49%) |
| HSV | hsv(1, 73%, 78%) |
| CMYK | cmyk(0%, 72.2%, 73.2%, 22.4%) |
| CIE-LAB | lab(45.63, 55.98, 34.98) |
| CIE-LCH | lch(45.63, 66.01, 32.00°) |
| OKLab | oklab(55.29% 0.1622 0.079) |
| OKLCH | oklch(55.29% 0.18 26) |
| XYZ | xyz(25.3004, 14.9990, 4.9304) |
| Luminance | 0.1499 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.37
Dull Red
#BB3F3F
ΔE00 3.04
Cherry (survey)
#CF0234
ΔE00 5.14
Crimson
#DC143C
ΔE00 5.47
Cardinal
#C41E3A
ΔE00 5.64
Firebrick
#B22222
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C63735 #35C4C6
analogous
#C6357B #C63735 #C68035
triadic
#C63735 #35C637 #3735C6
tetradic
#C63735 #7BC635 #35C4C6 #8035C6
square
#C63735 #7BC635 #35C4C6 #8035C6
split-complementary
#C63735 #35C680 #357BC6
monochromatic
#651C1B #962A28 #C63735 #D56563 #E29493
Accessibility & contrast
On white
5.25
#C63735 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.00
#C63735 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C63735
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C63735 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C63735 | 1.00 | 5.25 | 4.00 | 5.25 |
| #FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615833
Deuteranopia (green-blind)
#847730
Tritanopia (blue-blind)
#DA0038
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #c63735; /* rgb */ color: rgb(198, 55, 53); /* oklch */ color: oklch(55.3% 0.180 26.0);
Tailwind
colors: {
custom: {
50: '#e0786d',
500: '#c63735',
950: '#000000',
},
}SCSS
$custom: #c63735; $custom-light: #e0786d; $custom-dark: #000000;
JSON
{
"hex": "#c63735",
"rgb": {
"r": 198,
"g": 55,
"b": 53
},
"hsl": {
"h": 0.828,
"s": 57.769,
"l": 49.216
},
"oklch": {
"l": 0.5529,
"c": 0.1804,
"h": 26
},
"luminance": 0.14995
}Semantic roles & 50–950 ramp
primary
#C63735
secondary
#8ACCCD
accent
#DFE147
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A07
muted
#857C7A