#C53F40#C53F40
#C53F40 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.171 H 24.1°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #C53F40 |
|---|---|
| RGB | rgb(197, 63, 64) |
| HSL | hsl(360, 54%, 51%) |
| HSV | hsv(360, 68%, 77%) |
| CMYK | cmyk(0%, 68%, 67.5%, 22.7%) |
| CIE-LAB | lab(46.71, 53.15, 29.78) |
| CIE-LCH | lch(46.71, 60.93, 29.26°) |
| OKLab | oklab(56.11% 0.1556 0.0696) |
| OKLCH | oklch(56.11% 0.171 24.1) |
| XYZ | xyz(25.7316, 15.7992, 6.5441) |
| Luminance | 0.1580 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 0.72
Dull Red
#BB3F3F
ΔE00 2.03
Dusty Red
#B9484E
ΔE00 4.25
Faded Red
#D3494E
ΔE00 4.46
Crimson
#DC143C
ΔE00 4.94
Dark Coral
#CF524E
ΔE00 5.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C53F40 #3FC5C4
analogous
#C53F83 #C53F40 #C5813F
triadic
#C53F40 #40C53F #3F40C5
tetradic
#C53F40 #83C53F #3FC5C4 #813FC5
square
#C53F40 #83C53F #3FC5C4 #813FC5
split-complementary
#C53F40 #3FC581 #3F83C5
monochromatic
#6A2020 #992E2F #C53F40 #D36E6F #E19D9E
Accessibility & contrast
On white
5.05
#C53F40 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.16
#C53F40 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C53F40
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C53F40 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C53F40 | 1.00 | 5.05 | 4.16 | 5.05 |
| #FFFFFF | 5.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#645C3F
Deuteranopia (green-blind)
#85793C
Tritanopia (blue-blind)
#D81A41
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #c53f40; /* rgb */ color: rgb(197, 63, 64); /* oklch */ color: oklch(56.1% 0.171 24.1);
Tailwind
colors: {
custom: {
50: '#de7c75',
500: '#c53f40',
950: '#000000',
},
}SCSS
$custom: #c53f40; $custom-light: #de7c75; $custom-dark: #000000;
JSON
{
"hex": "#c53f40",
"rgb": {
"r": 197,
"g": 63,
"b": 64
},
"hsl": {
"h": 359.552,
"s": 53.6,
"l": 50.98
},
"oklch": {
"l": 0.56109,
"c": 0.1705,
"h": 24.1
},
"luminance": 0.15795
}Semantic roles & 50–950 ramp
primary
#C53F40
secondary
#92CECD
accent
#DDDC4B
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#170A08
muted
#857C7B