#CB4B38#CB4B38
#CB4B38 is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.4% C 0.166 H 31.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #CB4B38 |
|---|---|
| RGB | rgb(203, 75, 56) |
| HSL | hsl(8, 59%, 51%) |
| HSV | hsv(8, 72%, 80%) |
| CMYK | cmyk(0%, 63.1%, 72.4%, 20.4%) |
| CIE-LAB | lab(49.52, 49.74, 37.92) |
| CIE-LCH | lch(49.52, 62.54, 37.32°) |
| OKLab | oklab(58.38% 0.1426 0.0858) |
| OKLCH | oklch(58.38% 0.166 31) |
| XYZ | xyz(27.8614, 18.0181, 5.7514) |
| Luminance | 0.1801 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 5.16
Dark Coral
#CF524E
ΔE00 5.38
Pale Red
#D9544D
ΔE00 5.58
Dark Salmon
#C85A53
ΔE00 5.92
Faded Red
#D3494E
ΔE00 6.85
Dull Red
#BB3F3F
ΔE00 6.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CB4B38 #38B8CB
analogous
#CB386E #CB4B38 #CB9438
triadic
#CB4B38 #38CB4B #4B38CB
tetradic
#CB4B38 #6ECB38 #38B8CB #9438CB
square
#CB4B38 #6ECB38 #38B8CB #9438CB
split-complementary
#CB4B38 #38CB94 #386ECB
monochromatic
#6C271C #9D3829 #CB4B38 #D87769 #E4A399
Accessibility & contrast
On white
4.56
#CB4B38 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#CB4B38 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #CB4B38
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CB4B38 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##CB4B38 | 1.00 | 4.56 | 4.60 | 4.60 |
| #FFFFFF | 4.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E6435
Deuteranopia (green-blind)
#8E8034
Tritanopia (blue-blind)
#DF2B47
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #cb4b38; /* rgb */ color: rgb(203, 75, 56); /* oklch */ color: oklch(58.4% 0.166 31.0);
Tailwind
colors: {
custom: {
50: '#e3836f',
500: '#cb4b38',
950: '#000000',
},
}SCSS
$custom: #cb4b38; $custom-light: #e3836f; $custom-dark: #000000;
JSON
{
"hex": "#cb4b38",
"rgb": {
"r": 203,
"g": 75,
"b": 56
},
"hsl": {
"h": 7.755,
"s": 58.566,
"l": 50.784
},
"oklch": {
"l": 0.58378,
"c": 0.16642,
"h": 31
},
"luminance": 0.18014
}Semantic roles & 50–950 ramp
primary
#CB4B38
secondary
#8FC8D0
accent
#CEE246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170B07
muted
#857C7A