#CB4237#CB4237
#CB4237 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.3% C 0.175 H 28.4°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).
Color values
| HEX | #CB4237 |
|---|---|
| RGB | rgb(203, 66, 55) |
| HSL | hsl(4, 59%, 51%) |
| HSV | hsv(4, 73%, 80%) |
| CMYK | cmyk(0%, 67.5%, 72.9%, 20.4%) |
| CIE-LAB | lab(48.10, 53.48, 36.88) |
| CIE-LCH | lch(48.10, 64.97, 34.59°) |
| OKLab | oklab(57.31% 0.1541 0.0833) |
| OKLCH | oklch(57.31% 0.175 28.4) |
| XYZ | xyz(27.2694, 16.8728, 5.4346) |
| Luminance | 0.1687 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 3.25
Dull Red
#BB3F3F
ΔE00 5.03
Dark Coral
#CF524E
ΔE00 5.16
Faded Red
#D3494E
ΔE00 5.82
Pale Red
#D9544D
ΔE00 6.00
Dark Salmon
#C85A53
ΔE00 6.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CB4237 #37C0CB
analogous
#CB3776 #CB4237 #CB8C37
triadic
#CB4237 #37CB42 #4237CB
tetradic
#CB4237 #76CB37 #37C0CB #8C37CB
square
#CB4237 #76CB37 #37C0CB #8C37CB
split-complementary
#CB4237 #37CB8C #3776CB
monochromatic
#6C221C #9C3129 #CB4237 #D87068 #E49E98
Accessibility & contrast
On white
4.80
#CB4237 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.37
#CB4237 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #CB4237
4.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CB4237 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##CB4237 | 1.00 | 4.80 | 4.37 | 4.80 |
| #FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#695F35
Deuteranopia (green-blind)
#8B7D32
Tritanopia (blue-blind)
#DF1941
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #cb4237; /* rgb */ color: rgb(203, 66, 55); /* oklch */ color: oklch(57.3% 0.175 28.4);
Tailwind
colors: {
custom: {
50: '#e37e6e',
500: '#cb4237',
950: '#000000',
},
}SCSS
$custom: #cb4237; $custom-light: #e37e6e; $custom-dark: #000000;
JSON
{
"hex": "#cb4237",
"rgb": {
"r": 203,
"g": 66,
"b": 55
},
"hsl": {
"h": 4.459,
"s": 58.73,
"l": 50.588
},
"oklch": {
"l": 0.57309,
"c": 0.17521,
"h": 28.4
},
"luminance": 0.16869
}Semantic roles & 50–950 ramp
primary
#CB4237
secondary
#8ECBD0
accent
#D6E246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170A07
muted
#857C7A