#B57131#B57131
#B57131 is a mid, moderate orange. Relative luminance 0.219; OKLCH L 61.0% C 0.116 H 60.7°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #B57131 |
|---|---|
| RGB | rgb(181, 113, 49) |
| HSL | hsl(29, 57%, 45%) |
| HSV | hsv(29, 73%, 71%) |
| CMYK | cmyk(0%, 37.6%, 72.9%, 29%) |
| CIE-LAB | lab(53.88, 21.36, 45.31) |
| CIE-LCH | lch(53.88, 50.09, 64.76°) |
| OKLab | oklab(61.03% 0.0569 0.1014) |
| OKLCH | oklch(61.03% 0.116 60.7) |
| XYZ | xyz(25.5176, 21.8583, 5.7803) |
| Luminance | 0.2186 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Copper
#B87333
ΔE00 0.86
Clay Brown
#B2713D
ΔE00 2.53
Leather
#AC7434
ΔE00 3.23
Brown Orange
#B96902
ΔE00 4.56
Copper (survey)
#B66325
ΔE00 5.17
Brownish Orange
#CB7723
ΔE00 5.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B57131 #3175B5
analogous
#B53133 #B57131 #B5B331
triadic
#B57131 #31B571 #7131B5
tetradic
#B57131 #33B531 #3175B5 #B331B5
square
#B57131 #33B531 #3175B5 #B331B5
split-complementary
#B57131 #31B5B3 #3133B5
monochromatic
#553517 #855324 #B57131 #D09053 #DDAF83
Accessibility & contrast
On white
3.91
#B57131 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.37
#B57131 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B57131
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B57131 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B57131 | 1.00 | 3.91 | 5.37 | 5.37 |
| #FFFFFF | 3.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#867729
Deuteranopia (green-blind)
#968732
Tritanopia (blue-blind)
#C66263
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #b57131; /* rgb */ color: rgb(181, 113, 49); /* oklch */ color: oklch(61.0% 0.116 60.7);
Tailwind
colors: {
custom: {
50: '#d09a6c',
500: '#b57131',
950: '#000000',
},
}SCSS
$custom: #b57131; $custom-light: #d09a6c; $custom-dark: #000000;
JSON
{
"hex": "#b57131",
"rgb": {
"r": 181,
"g": 113,
"b": 49
},
"hsl": {
"h": 29.091,
"s": 57.391,
"l": 45.098
},
"oklch": {
"l": 0.61027,
"c": 0.11625,
"h": 60.7
},
"luminance": 0.21856
}Semantic roles & 50–950 ramp
primary
#B57131
secondary
#7BA2C7
accent
#96E147
background
#FDF9F6
surface
#FBF2EC
border
#D4CCC7
text
#150E07
muted
#837E7A