#B55539#B55539
#B55539 is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.4% C 0.132 H 37.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).
Color values
| HEX | #B55539 |
|---|---|
| RGB | rgb(181, 85, 57) |
| HSL | hsl(14, 52%, 47%) |
| HSV | hsv(14, 69%, 71%) |
| CMYK | cmyk(0%, 53%, 68.5%, 29%) |
| CIE-LAB | lab(47.78, 36.88, 34.43) |
| CIE-LCH | lch(47.78, 50.46, 43.03°) |
| OKLab | oklab(56.37% 0.1053 0.0794) |
| OKLCH | oklch(56.37% 0.132 37) |
| XYZ | xyz(23.0452, 16.6190, 5.8643) |
| Luminance | 0.1662 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.88
Clay
#B66A50
ΔE00 6.33
Terra Cotta
#C9643B
ΔE00 6.90
Rust
#B7410E
ΔE00 6.92
Terracotta (survey)
#CA6641
ΔE00 7.04
Adobe
#BD6C48
ΔE00 7.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B55539 #3999B5
analogous
#B5395B #B55539 #B59339
triadic
#B55539 #39B555 #5539B5
tetradic
#B55539 #5BB539 #3999B5 #9339B5
square
#B55539 #5BB539 #3999B5 #9339B5
split-complementary
#B55539 #39B593 #395BB5
monochromatic
#58291C #863F2A #B55539 #CD775F #DB9F8D
Accessibility & contrast
On white
4.86
#B55539 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.32
#B55539 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B55539
4.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B55539 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B55539 | 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)
#6F6436
Deuteranopia (green-blind)
#867937
Tritanopia (blue-blind)
#C6424F
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b55539; /* rgb */ color: rgb(181, 85, 57); /* oklch */ color: oklch(56.4% 0.132 37.0);
Tailwind
colors: {
custom: {
50: '#d18770',
500: '#b55539',
950: '#000000',
},
}SCSS
$custom: #b55539; $custom-light: #d18770; $custom-dark: #000000;
JSON
{
"hex": "#b55539",
"rgb": {
"r": 181,
"g": 85,
"b": 57
},
"hsl": {
"h": 13.548,
"s": 52.101,
"l": 46.667
},
"oklch": {
"l": 0.56371,
"c": 0.13186,
"h": 37
},
"luminance": 0.16616
}Semantic roles & 50–950 ramp
primary
#B55539
secondary
#84B7C6
accent
#BBDC4C
background
#FDF8F6
surface
#FBF0EC
border
#D4CBC7
text
#150B07
muted
#837C7A