#B57031#B57031
#B57031 is a mid, moderate orange. Relative luminance 0.216; OKLCH L 60.8% C 0.117 H 59.9°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #B57031 |
|---|---|
| RGB | rgb(181, 112, 49) |
| HSL | hsl(29, 57%, 45%) |
| HSV | hsv(29, 73%, 71%) |
| CMYK | cmyk(0%, 38.1%, 72.9%, 29%) |
| CIE-LAB | lab(53.64, 21.92, 45.06) |
| CIE-LCH | lch(53.64, 50.11, 64.06°) |
| OKLab | oklab(60.84% 0.0586 0.1008) |
| OKLCH | oklch(60.84% 0.117 59.9) |
| XYZ | xyz(25.4066, 21.6364, 5.7433) |
| Luminance | 0.2163 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Copper
#B87333
ΔE00 1.10
Clay Brown
#B2713D
ΔE00 2.28
Leather
#AC7434
ΔE00 3.59
Brown Orange
#B96902
ΔE00 4.61
Copper (survey)
#B66325
ΔE00 4.71
Orange Brown
#BE6400
ΔE00 5.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B57031 #3176B5
analogous
#B53134 #B57031 #B5B231
triadic
#B57031 #31B570 #7031B5
tetradic
#B57031 #34B531 #3176B5 #B231B5
square
#B57031 #34B531 #3176B5 #B231B5
split-complementary
#B57031 #31B5B2 #3134B5
monochromatic
#553417 #855224 #B57031 #D08F53 #DDAE83
Accessibility & contrast
On white
3.94
#B57031 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.33
#B57031 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B57031
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B57031 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B57031 | 1.00 | 3.94 | 5.33 | 5.33 |
| #FFFFFF | 3.94 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.33 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.33 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#85772A
Deuteranopia (green-blind)
#958631
Tritanopia (blue-blind)
#C66163
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #b57031; /* rgb */ color: rgb(181, 112, 49); /* oklch */ color: oklch(60.8% 0.117 59.9);
Tailwind
colors: {
custom: {
50: '#d0996c',
500: '#b57031',
950: '#000000',
},
}SCSS
$custom: #b57031; $custom-light: #d0996c; $custom-dark: #000000;
JSON
{
"hex": "#b57031",
"rgb": {
"r": 181,
"g": 112,
"b": 49
},
"hsl": {
"h": 28.636,
"s": 57.391,
"l": 45.098
},
"oklch": {
"l": 0.60843,
"c": 0.11661,
"h": 59.9
},
"luminance": 0.21634
}Semantic roles & 50–950 ramp
primary
#B57031
secondary
#7BA3C7
accent
#97E147
background
#FDF9F6
surface
#FBF2EC
border
#D4CCC7
text
#150E07
muted
#837E7A