#C63E25#C63E25
#C63E25 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.8% C 0.177 H 32.6°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #C63E25 |
|---|---|
| RGB | rgb(198, 62, 37) |
| HSL | hsl(9, 69%, 46%) |
| HSV | hsv(9, 81%, 78%) |
| CMYK | cmyk(0%, 68.7%, 81.3%, 22.4%) |
| CIE-LAB | lab(46.43, 52.75, 44.51) |
| CIE-LCH | lch(46.43, 69.02, 40.16°) |
| OKLab | oklab(55.83% 0.1489 0.0953) |
| OKLCH | oklch(55.83% 0.177 32.6) |
| XYZ | xyz(25.3482, 15.5884, 3.4241) |
| Luminance | 0.1558 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Red (survey)
#E50000
ΔE00 5.96
Rust
#B7410E
ΔE00 6.07
Rusty Red
#AF2F0D
ΔE00 6.49
Reddish
#C44240
ΔE00 6.89
Tomato Red
#EC2D01
ΔE00 7.66
Brick Orange
#C14A09
ΔE00 7.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C63E25 #25ADC6
analogous
#C6255C #C63E25 #C68E25
triadic
#C63E25 #25C63E #3E25C6
tetradic
#C63E25 #5CC625 #25ADC6 #8E25C6
square
#C63E25 #5CC625 #25ADC6 #8E25C6
split-complementary
#C63E25 #25C68E #255CC6
monochromatic
#5F1E12 #922E1B #C63E25 #DD624B #E78F7E
Accessibility & contrast
On white
5.10
#C63E25 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#C63E25 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C63E25
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C63E25 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C63E25 | 1.00 | 5.10 | 4.12 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#665B21
Deuteranopia (green-blind)
#88791E
Tritanopia (blue-blind)
#DA0B39
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #c63e25; /* rgb */ color: rgb(198, 62, 37); /* oklch */ color: oklch(55.8% 0.177 32.6);
Tailwind
colors: {
custom: {
50: '#e17b62',
500: '#c63e25',
950: '#000000',
},
}SCSS
$custom: #c63e25; $custom-light: #e17b62; $custom-dark: #000000;
JSON
{
"hex": "#c63e25",
"rgb": {
"r": 198,
"g": 62,
"b": 37
},
"hsl": {
"h": 9.317,
"s": 68.511,
"l": 46.078
},
"oklch": {
"l": 0.55833,
"c": 0.17678,
"h": 32.6
},
"luminance": 0.15585
}Semantic roles & 50–950 ramp
primary
#C63E25
secondary
#77C2CF
accent
#D0EB3C
background
#FFF7F5
surface
#FEEEEA
border
#D6C9C6
text
#170A05
muted
#857C79