#CC3937#CC3937
#CC3937 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.5% C 0.184 H 26.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #CC3937 |
|---|---|
| RGB | rgb(204, 57, 55) |
| HSL | hsl(1, 59%, 51%) |
| HSV | hsv(1, 73%, 80%) |
| CMYK | cmyk(0%, 72.1%, 73%, 20%) |
| CIE-LAB | lab(47.03, 57.23, 35.72) |
| CIE-LCH | lch(47.03, 67.46, 31.97°) |
| OKLab | oklab(56.54% 0.1658 0.0807) |
| OKLCH | oklch(56.54% 0.184 26) |
| XYZ | xyz(27.0576, 16.0436, 5.2857) |
| Luminance | 0.1604 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.28
Dull Red
#BB3F3F
ΔE00 3.84
Crimson
#DC143C
ΔE00 5.11
Faded Red
#D3494E
ΔE00 5.38
Dark Coral
#CF524E
ΔE00 5.61
Cherry (survey)
#CF0234
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CC3937 #37CACC
analogous
#CC3780 #CC3937 #CC8337
triadic
#CC3937 #37CC39 #3937CC
tetradic
#CC3937 #80CC37 #37CACC #8337CC
square
#CC3937 #80CC37 #37CACC #8337CC
split-complementary
#CC3937 #37CC83 #3780CC
monochromatic
#6D1D1C #9E2A28 #CC3937 #D86968 #E59A99
Accessibility & contrast
On white
4.99
#CC3937 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#CC3937 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #CC3937
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CC3937 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##CC3937 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#645B35
Deuteranopia (green-blind)
#897B32
Tritanopia (blue-blind)
#E0003A
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #cc3937; /* rgb */ color: rgb(204, 57, 55); /* oklch */ color: oklch(56.5% 0.184 26.0);
Tailwind
colors: {
custom: {
50: '#e47a6e',
500: '#cc3937',
950: '#000000',
},
}SCSS
$custom: #cc3937; $custom-light: #e47a6e; $custom-dark: #000000;
JSON
{
"hex": "#cc3937",
"rgb": {
"r": 204,
"g": 57,
"b": 55
},
"hsl": {
"h": 0.805,
"s": 59.363,
"l": 50.784
},
"oklch": {
"l": 0.56544,
"c": 0.18441,
"h": 26
},
"luminance": 0.16039
}Semantic roles & 50–950 ramp
primary
#CC3937
secondary
#8ED0D0
accent
#E0E345
background
#FFF7F6
surface
#FFEEEC
border
#D7C9C7
text
#170A07
muted
#857C7A