#CC373B#CC373B
#CC373B is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.4% C 0.186 H 24.1°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).
Color values
| HEX | #CC373B |
|---|---|
| RGB | rgb(204, 55, 59) |
| HSL | hsl(358, 59%, 51%) |
| HSV | hsv(358, 73%, 80%) |
| CMYK | cmyk(0%, 73%, 71.1%, 20%) |
| CIE-LAB | lab(46.83, 58.11, 33.17) |
| CIE-LCH | lch(46.83, 66.91, 29.71°) |
| OKLab | oklab(56.41% 0.1694 0.076) |
| OKLCH | oklch(56.41% 0.186 24.1) |
| XYZ | xyz(27.0605, 15.8896, 5.7790) |
| Luminance | 0.1589 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.90
Dull Red
#BB3F3F
ΔE00 3.22
Crimson
#DC143C
ΔE00 3.96
Cherry (survey)
#CF0234
ΔE00 4.61
Faded Red
#D3494E
ΔE00 4.74
Cardinal
#C41E3A
ΔE00 5.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CC373B #37CCC8
analogous
#CC3785 #CC373B #CC7D37
triadic
#CC373B #3BCC37 #373BCC
tetradic
#CC373B #85CC37 #37CCC8 #7D37CC
square
#CC373B #85CC37 #37CCC8 #7D37CC
split-complementary
#CC373B #37CC7D #3785CC
monochromatic
#6D1C1E #9E282B #CC373B #D8686B #E5999B
Accessibility & contrast
On white
5.03
#CC373B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.18
#CC373B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #CC373B
5.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CC373B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##CC373B | 1.00 | 5.03 | 4.18 | 5.03 |
| #FFFFFF | 5.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625B3A
Deuteranopia (green-blind)
#887B36
Tritanopia (blue-blind)
#E0003A
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #cc373b; /* rgb */ color: rgb(204, 55, 59); /* oklch */ color: oklch(56.4% 0.186 24.1);
Tailwind
colors: {
custom: {
50: '#e47971',
500: '#cc373b',
950: '#000000',
},
}SCSS
$custom: #cc373b; $custom-light: #e47971; $custom-dark: #000000;
JSON
{
"hex": "#cc373b",
"rgb": {
"r": 204,
"g": 55,
"b": 59
},
"hsl": {
"h": 358.389,
"s": 59.363,
"l": 50.784
},
"oklch": {
"l": 0.5641,
"c": 0.18569,
"h": 24.1
},
"luminance": 0.15886
}Semantic roles & 50–950 ramp
primary
#CC373B
secondary
#8ED0CF
accent
#E3DE45
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A