#CA452B#CA452B
#CA452B is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.3% C 0.174 H 33.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).
Color values
| HEX | #CA452B |
|---|---|
| RGB | rgb(202, 69, 43) |
| HSL | hsl(10, 65%, 48%) |
| HSV | hsv(10, 79%, 79%) |
| CMYK | cmyk(0%, 65.8%, 78.7%, 20.8%) |
| CIE-LAB | lab(48.25, 51.44, 43.48) |
| CIE-LCH | lch(48.25, 67.36, 40.21°) |
| OKLab | oklab(57.35% 0.1455 0.0947) |
| OKLCH | oklch(57.35% 0.174 33) |
| XYZ | xyz(26.9243, 16.9912, 4.1469) |
| Luminance | 0.1699 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Red (survey)
#E50000
ΔE00 6.21
Reddish
#C44240
ΔE00 6.84
Rust
#B7410E
ΔE00 6.88
Tomato Red
#EC2D01
ΔE00 6.92
Tomato (survey)
#EF4026
ΔE00 7.09
Brick Orange
#C14A09
ΔE00 7.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CA452B #2BB0CA
analogous
#CA2B61 #CA452B #CA942B
triadic
#CA452B #2BCA45 #452BCA
tetradic
#CA452B #61CA2B #2BB0CA #942BCA
square
#CA452B #61CA2B #2BB0CA #942BCA
split-complementary
#CA452B #2BCA94 #2B61CA
monochromatic
#652316 #983420 #CA452B #DB6D57 #E69989
Accessibility & contrast
On white
4.78
#CA452B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.40
#CA452B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #CA452B
4.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CA452B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##CA452B | 1.00 | 4.78 | 4.40 | 4.78 |
| #FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B6027
Deuteranopia (green-blind)
#8C7D26
Tritanopia (blue-blind)
#DE1E40
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #ca452b; /* rgb */ color: rgb(202, 69, 43); /* oklch */ color: oklch(57.3% 0.174 33.0);
Tailwind
colors: {
custom: {
50: '#e37f66',
500: '#ca452b',
950: '#000000',
},
}SCSS
$custom: #ca452b; $custom-light: #e37f66; $custom-dark: #000000;
JSON
{
"hex": "#ca452b",
"rgb": {
"r": 202,
"g": 69,
"b": 43
},
"hsl": {
"h": 9.811,
"s": 64.898,
"l": 48.039
},
"oklch": {
"l": 0.57347,
"c": 0.1736,
"h": 33
},
"luminance": 0.16987
}Semantic roles & 50–950 ramp
primary
#CA452B
secondary
#81C3D0
accent
#CCE840
background
#FFF8F6
surface
#FEEFEB
border
#D6CAC6
text
#170B06
muted
#857C7A