#C53F33#C53F33
#C53F33 is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.9% C 0.172 H 28.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #C53F33 |
|---|---|
| RGB | rgb(197, 63, 51) |
| HSL | hsl(5, 59%, 49%) |
| HSV | hsv(5, 74%, 77%) |
| CMYK | cmyk(0%, 68%, 74.1%, 22.7%) |
| CIE-LAB | lab(46.54, 52.52, 37.08) |
| CIE-LCH | lch(46.54, 64.29, 35.22°) |
| OKLab | oklab(55.92% 0.151 0.0832) |
| OKLCH | oklch(55.92% 0.172 28.9) |
| XYZ | xyz(25.4038, 15.6681, 4.8179) |
| Luminance | 0.1566 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 3.38
Dull Red
#BB3F3F
ΔE00 4.50
Dark Coral
#CF524E
ΔE00 6.47
Firebrick
#B22222
ΔE00 6.89
Faded Red
#D3494E
ΔE00 6.97
Scarlet
#BE0119
ΔE00 7.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C53F33 #33B9C5
analogous
#C53370 #C53F33 #C58833
triadic
#C53F33 #33C53F #3F33C5
tetradic
#C53F33 #70C533 #33B9C5 #8833C5
square
#C53F33 #70C533 #33B9C5 #8833C5
split-complementary
#C53F33 #33C588 #3370C5
monochromatic
#64201A #942F26 #C53F33 #D6695F #E29790
Accessibility & contrast
On white
5.08
#C53F33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.13
#C53F33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C53F33
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C53F33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C53F33 | 1.00 | 5.08 | 4.13 | 5.08 |
| #FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#655C31
Deuteranopia (green-blind)
#86792E
Tritanopia (blue-blind)
#D9153D
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #c53f33; /* rgb */ color: rgb(197, 63, 51); /* oklch */ color: oklch(55.9% 0.172 28.9);
Tailwind
colors: {
custom: {
50: '#df7c6b',
500: '#c53f33',
950: '#000000',
},
}SCSS
$custom: #c53f33; $custom-light: #df7c6b; $custom-dark: #000000;
JSON
{
"hex": "#c53f33",
"rgb": {
"r": 197,
"g": 63,
"b": 51
},
"hsl": {
"h": 4.932,
"s": 58.871,
"l": 48.627
},
"oklch": {
"l": 0.55923,
"c": 0.17241,
"h": 28.9
},
"luminance": 0.15664
}Semantic roles & 50–950 ramp
primary
#C53F33
secondary
#87C7CD
accent
#D5E246
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A07
muted
#857C7A