#B57037#B57037
#B57037 is a mid, moderate orange. Relative luminance 0.217; OKLCH L 60.9% C 0.113 H 57.8°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).
Color values
| HEX | #B57037 |
|---|---|
| RGB | rgb(181, 112, 55) |
| HSL | hsl(27, 53%, 46%) |
| HSV | hsv(27, 70%, 71%) |
| CMYK | cmyk(0%, 38.1%, 69.6%, 29%) |
| CIE-LAB | lab(53.70, 22.24, 42.18) |
| CIE-LCH | lch(53.70, 47.69, 62.20°) |
| OKLab | oklab(60.91% 0.0604 0.0958) |
| OKLCH | oklch(60.91% 0.113 57.8) |
| XYZ | xyz(25.5418, 21.6904, 6.4552) |
| Luminance | 0.2169 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Clay Brown
#B2713D
ΔE00 1.18
Copper
#B87333
ΔE00 1.88
Copper (survey)
#B66325
ΔE00 4.38
Leather
#AC7434
ΔE00 4.39
Brown Orange
#B96902
ΔE00 5.74
Orange Brown
#BE6400
ΔE00 5.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B57037 #377CB5
analogous
#B5373D #B57037 #B5AF37
triadic
#B57037 #37B570 #7037B5
tetradic
#B57037 #3DB537 #377CB5 #AF37B5
square
#B57037 #3DB537 #377CB5 #AF37B5
split-complementary
#B57037 #37B5AF #373DB5
monochromatic
#57361A #865329 #B57037 #CD8F5C #DCAF8B
Accessibility & contrast
On white
3.93
#B57037 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.34
#B57037 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B57037
5.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B57037 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B57037 | 1.00 | 3.93 | 5.34 | 5.34 |
| #FFFFFF | 3.93 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.34 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.34 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#857731
Deuteranopia (green-blind)
#958637
Tritanopia (blue-blind)
#C56163
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #b57037; /* rgb */ color: rgb(181, 112, 55); /* oklch */ color: oklch(60.9% 0.113 57.8);
Tailwind
colors: {
custom: {
50: '#d09970',
500: '#b57037',
950: '#000000',
},
}SCSS
$custom: #b57037; $custom-light: #d09970; $custom-dark: #000000;
JSON
{
"hex": "#b57037",
"rgb": {
"r": 181,
"g": 112,
"b": 55
},
"hsl": {
"h": 27.143,
"s": 53.39,
"l": 46.275
},
"oklch": {
"l": 0.60907,
"c": 0.1133,
"h": 57.8
},
"luminance": 0.21688
}Semantic roles & 50–950 ramp
primary
#B57037
secondary
#82A7C6
accent
#9BDD4B
background
#FDF9F6
surface
#FAF2EC
border
#D3CCC7
text
#150E08
muted
#837E7B