#B57631#B57631
#B57631 is a mid, moderate orange. Relative luminance 0.230; OKLCH L 62.0% C 0.115 H 64.9°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).
Color values
| HEX | #B57631 |
|---|---|
| RGB | rgb(181, 118, 49) |
| HSL | hsl(31, 57%, 45%) |
| HSV | hsv(31, 73%, 71%) |
| CMYK | cmyk(0%, 34.8%, 72.9%, 29%) |
| CIE-LAB | lab(55.08, 18.58, 46.56) |
| CIE-LCH | lch(55.08, 50.13, 68.24°) |
| OKLab | oklab(61.96% 0.0487 0.104) |
| OKLCH | oklch(61.96% 0.115 64.9) |
| XYZ | xyz(26.0908, 23.0048, 5.9714) |
| Luminance | 0.2300 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Leather
#AC7434
ΔE00 2.19
Copper
#B87333
ΔE00 2.29
Clay Brown
#B2713D
ΔE00 4.36
Caramel (survey)
#AF6F09
ΔE00 4.68
Brownish Orange
#CB7723
ΔE00 5.08
Brown Orange
#B96902
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B57631 #3170B5
analogous
#B53431 #B57631 #B2B531
triadic
#B57631 #31B576 #7631B5
tetradic
#B57631 #31B534 #3170B5 #B531B2
square
#B57631 #31B534 #3170B5 #B531B2
split-complementary
#B57631 #31B2B5 #3431B5
monochromatic
#553717 #855724 #B57631 #D09453 #DDB283
Accessibility & contrast
On white
3.75
#B57631 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.60
#B57631 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B57631
5.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B57631 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B57631 | 1.00 | 3.75 | 5.60 | 5.60 |
| #FFFFFF | 3.75 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8A7B29
Deuteranopia (green-blind)
#998A32
Tritanopia (blue-blind)
#C56767
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #b57631; /* rgb */ color: rgb(181, 118, 49); /* oklch */ color: oklch(62.0% 0.115 64.9);
Tailwind
colors: {
custom: {
50: '#d09d6d',
500: '#b57631',
950: '#000000',
},
}SCSS
$custom: #b57631; $custom-light: #d09d6d; $custom-dark: #000000;
JSON
{
"hex": "#b57631",
"rgb": {
"r": 181,
"g": 118,
"b": 49
},
"hsl": {
"h": 31.364,
"s": 57.391,
"l": 45.098
},
"oklch": {
"l": 0.61958,
"c": 0.11486,
"h": 64.9
},
"luminance": 0.23002
}Semantic roles & 50–950 ramp
primary
#B57631
secondary
#7B9FC7
accent
#90E147
background
#FDF9F6
surface
#FAF2EC
border
#D3CCC7
text
#150E07
muted
#837E7A