#CA3736#CA3736
#CA3736 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.184 H 25.8°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).
Color values
| HEX | #CA3736 |
|---|---|
| RGB | rgb(202, 55, 54) |
| HSL | hsl(0, 58%, 50%) |
| HSV | hsv(0, 73%, 79%) |
| CMYK | cmyk(0%, 72.8%, 73.3%, 20.8%) |
| CIE-LAB | lab(46.39, 57.27, 35.46) |
| CIE-LCH | lch(46.39, 67.36, 31.77°) |
| OKLab | oklab(55.99% 0.166 0.0801) |
| OKLCH | oklch(55.99% 0.184 25.8) |
| XYZ | xyz(26.3922, 15.5593, 5.1029) |
| Luminance | 0.1555 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.28
Dull Red
#BB3F3F
ΔE00 3.47
Crimson
#DC143C
ΔE00 5.04
Cherry (survey)
#CF0234
ΔE00 5.20
Faded Red
#D3494E
ΔE00 5.76
Cardinal
#C41E3A
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CA3736 #36C9CA
analogous
#CA367F #CA3736 #CA8136
triadic
#CA3736 #36CA37 #3736CA
tetradic
#CA3736 #7FCA36 #36C9CA #8136CA
square
#CA3736 #7FCA36 #36C9CA #8136CA
split-complementary
#CA3736 #36CA81 #367FCA
monochromatic
#6A1C1C #9A2929 #CA3736 #D76766 #E49797
Accessibility & contrast
On white
5.11
#CA3736 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#CA3736 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #CA3736
5.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CA3736 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##CA3736 | 1.00 | 5.11 | 4.11 | 5.11 |
| #FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625A34
Deuteranopia (green-blind)
#877931
Tritanopia (blue-blind)
#DE0039
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #ca3736; /* rgb */ color: rgb(202, 55, 54); /* oklch */ color: oklch(56.0% 0.184 25.8);
Tailwind
colors: {
custom: {
50: '#e3786d',
500: '#ca3736',
950: '#000000',
},
}SCSS
$custom: #ca3736; $custom-light: #e3786d; $custom-dark: #000000;
JSON
{
"hex": "#ca3736",
"rgb": {
"r": 202,
"g": 55,
"b": 54
},
"hsl": {
"h": 0.405,
"s": 58.268,
"l": 50.196
},
"oklch": {
"l": 0.55994,
"c": 0.18428,
"h": 25.8
},
"luminance": 0.15555
}Semantic roles & 50–950 ramp
primary
#CA3736
secondary
#8DCFCF
accent
#E0E146
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A07
muted
#857C7A