#CA3B37#CA3B37
#CA3B37 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.4% C 0.181 H 26.4°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #CA3B37 |
|---|---|
| RGB | rgb(202, 59, 55) |
| HSL | hsl(2, 58%, 50%) |
| HSV | hsv(2, 73%, 79%) |
| CMYK | cmyk(0%, 70.8%, 72.8%, 20.8%) |
| CIE-LAB | lab(46.93, 55.87, 35.50) |
| CIE-LCH | lch(46.93, 66.19, 32.43°) |
| OKLab | oklab(56.4% 0.1618 0.0804) |
| OKLCH | oklch(56.4% 0.181 26.4) |
| XYZ | xyz(26.6137, 15.9643, 5.2938) |
| Luminance | 0.1596 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.18
Dull Red
#BB3F3F
ΔE00 3.71
Crimson
#DC143C
ΔE00 5.52
Faded Red
#D3494E
ΔE00 5.54
Dark Coral
#CF524E
ΔE00 5.62
Cherry (survey)
#CF0234
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CA3B37 #37C6CA
analogous
#CA377C #CA3B37 #CA8537
triadic
#CA3B37 #37CA3B #3B37CA
tetradic
#CA3B37 #7CCA37 #37C6CA #8537CA
square
#CA3B37 #7CCA37 #37C6CA #8537CA
split-complementary
#CA3B37 #37CA85 #377CCA
monochromatic
#6A1E1C #9B2C29 #CA3B37 #D76A67 #E49A98
Accessibility & contrast
On white
5.01
#CA3B37 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#CA3B37 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #CA3B37
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CA3B37 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##CA3B37 | 1.00 | 5.01 | 4.19 | 5.01 |
| #FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#645B35
Deuteranopia (green-blind)
#887B32
Tritanopia (blue-blind)
#DE003C
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #ca3b37; /* rgb */ color: rgb(202, 59, 55); /* oklch */ color: oklch(56.4% 0.181 26.4);
Tailwind
colors: {
custom: {
50: '#e37a6e',
500: '#ca3b37',
950: '#000000',
},
}SCSS
$custom: #ca3b37; $custom-light: #e37a6e; $custom-dark: #000000;
JSON
{
"hex": "#ca3b37",
"rgb": {
"r": 202,
"g": 59,
"b": 55
},
"hsl": {
"h": 1.633,
"s": 58.103,
"l": 50.392
},
"oklch": {
"l": 0.56399,
"c": 0.18062,
"h": 26.4
},
"luminance": 0.1596
}Semantic roles & 50–950 ramp
primary
#CA3B37
secondary
#8ECDCF
accent
#DDE146
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A