#CB4B40#CB4B40
#CB4B40 is a mid, vivid red. Relative luminance 0.181; OKLCH L 58.5% C 0.165 H 28.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #CB4B40 |
|---|---|
| RGB | rgb(203, 75, 64) |
| HSL | hsl(5, 57%, 52%) |
| HSV | hsv(5, 68%, 80%) |
| CMYK | cmyk(0%, 63.1%, 68.5%, 20.4%) |
| CIE-LAB | lab(49.62, 50.13, 33.54) |
| CIE-LCH | lch(49.62, 60.32, 33.78°) |
| OKLab | oklab(58.49% 0.1454 0.0777) |
| OKLCH | oklch(58.49% 0.165 28.1) |
| XYZ | xyz(28.0730, 18.1027, 6.8654) |
| Luminance | 0.1810 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Coral
#CF524E
ΔE00 3.34
Reddish
#C44240
ΔE00 3.41
Dark Salmon
#C85A53
ΔE00 4.24
Pale Red
#D9544D
ΔE00 4.26
Faded Red
#D3494E
ΔE00 4.58
Dull Red
#BB3F3F
ΔE00 5.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CB4B40 #40C0CB
analogous
#CB407B #CB4B40 #CB9040
triadic
#CB4B40 #40CB4B #4B40CB
tetradic
#CB4B40 #7BCB40 #40C0CB #9040CB
square
#CB4B40 #7BCB40 #40C0CB #9040CB
split-complementary
#CB4B40 #40CB90 #407BCB
monochromatic
#72251F #A2352C #CB4B40 #D87870 #E5A6A0
Accessibility & contrast
On white
4.55
#CB4B40 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#CB4B40 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #CB4B40
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CB4B40 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##CB4B40 | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E653E
Deuteranopia (green-blind)
#8D803C
Tritanopia (blue-blind)
#DF2D49
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #cb4b40; /* rgb */ color: rgb(203, 75, 64); /* oklch */ color: oklch(58.5% 0.165 28.1);
Tailwind
colors: {
custom: {
50: '#e28375',
500: '#cb4b40',
950: '#000000',
},
}SCSS
$custom: #cb4b40; $custom-light: #e28375; $custom-dark: #000000;
JSON
{
"hex": "#cb4b40",
"rgb": {
"r": 203,
"g": 75,
"b": 64
},
"hsl": {
"h": 4.748,
"s": 57.202,
"l": 52.353
},
"oklch": {
"l": 0.58488,
"c": 0.16486,
"h": 28.1
},
"luminance": 0.18099
}Semantic roles & 50–950 ramp
primary
#CB4B40
secondary
#95CDD2
accent
#D4E047
background
#FEF8F7
surface
#FDEFED
border
#D5CAC8
text
#170B08
muted
#857C7B