#B55538#B55538
#B55538 is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.4% C 0.132 H 37.5°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).
Color values
| HEX | #B55538 |
|---|---|
| RGB | rgb(181, 85, 56) |
| HSL | hsl(14, 53%, 46%) |
| HSV | hsv(14, 69%, 71%) |
| CMYK | cmyk(0%, 53%, 69.1%, 29%) |
| CIE-LAB | lab(47.76, 36.83, 34.97) |
| CIE-LCH | lch(47.76, 50.79, 43.52°) |
| OKLab | oklab(56.36% 0.1049 0.0804) |
| OKLCH | oklch(56.36% 0.132 37.5) |
| XYZ | xyz(23.0205, 16.6091, 5.7342) |
| Luminance | 0.1661 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.71
Clay
#B66A50
ΔE00 6.36
Rust
#B7410E
ΔE00 6.70
Terra Cotta
#C9643B
ΔE00 6.78
Terracotta (survey)
#CA6641
ΔE00 6.96
Brick Orange
#C14A09
ΔE00 7.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B55538 #3898B5
analogous
#B5385A #B55538 #B59438
triadic
#B55538 #38B555 #5538B5
tetradic
#B55538 #5AB538 #3898B5 #9438B5
square
#B55538 #5AB538 #3898B5 #9438B5
split-complementary
#B55538 #38B594 #385AB5
monochromatic
#58291B #863F2A #B55538 #CD775D #DB9E8C
Accessibility & contrast
On white
4.86
#B55538 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.32
#B55538 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B55538
4.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B55538 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B55538 | 1.00 | 4.86 | 4.32 | 4.86 |
| #FFFFFF | 4.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F6435
Deuteranopia (green-blind)
#867936
Tritanopia (blue-blind)
#C6424E
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b55538; /* rgb */ color: rgb(181, 85, 56); /* oklch */ color: oklch(56.4% 0.132 37.5);
Tailwind
colors: {
custom: {
50: '#d1876f',
500: '#b55538',
950: '#000000',
},
}SCSS
$custom: #b55538; $custom-light: #d1876f; $custom-dark: #000000;
JSON
{
"hex": "#b55538",
"rgb": {
"r": 181,
"g": 85,
"b": 56
},
"hsl": {
"h": 13.92,
"s": 52.743,
"l": 46.471
},
"oklch": {
"l": 0.56358,
"c": 0.13218,
"h": 37.5
},
"luminance": 0.16606
}Semantic roles & 50–950 ramp
primary
#B55538
secondary
#83B6C6
accent
#BBDC4C
background
#FDF8F6
surface
#FBF0EC
border
#D4CBC7
text
#150B07
muted
#837C7A