#B57F37#B57F37
#B57F37 is a light, moderate orange. Relative luminance 0.253; OKLCH L 63.7% C 0.110 H 71.1°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).
Color values
| HEX | #B57F37 |
|---|---|
| RGB | rgb(181, 127, 55) |
| HSL | hsl(34, 53%, 46%) |
| HSV | hsv(34, 70%, 71%) |
| CMYK | cmyk(0%, 29.8%, 69.6%, 29%) |
| CIE-LAB | lab(57.35, 13.89, 46.14) |
| CIE-LCH | lch(57.35, 48.18, 73.24°) |
| OKLab | oklab(63.74% 0.0357 0.1043) |
| OKLCH | oklch(63.74% 0.11 71.1) |
| XYZ | xyz(27.3369, 25.2806, 7.0536) |
| Luminance | 0.2528 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Leather
#AC7434
ΔE00 4.21
Tan Brown
#AB7E4C
ΔE00 4.58
Dark Tan
#AF884A
ΔE00 4.64
Light Brown
#AD8150
ΔE00 4.77
Coffee
#A6814C
ΔE00 5.18
Golden Brown
#B27A01
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B57F37 #376DB5
analogous
#B54037 #B57F37 #ACB537
triadic
#B57F37 #37B57F #7F37B5
tetradic
#B57F37 #37B540 #376DB5 #B537AC
square
#B57F37 #37B540 #376DB5 #B537AC
split-complementary
#B57F37 #37ACB5 #4037B5
monochromatic
#573D1A #865E29 #B57F37 #CD9D5C #DCB98B
Accessibility & contrast
On white
3.47
#B57F37 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.06
#B57F37 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B57F37
6.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B57F37 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B57F37 | 1.00 | 3.47 | 6.06 | 6.06 |
| #FFFFFF | 3.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.06 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.06 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#92822F
Deuteranopia (green-blind)
#9E8F39
Tritanopia (blue-blind)
#C57270
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #b57f37; /* rgb */ color: rgb(181, 127, 55); /* oklch */ color: oklch(63.7% 0.110 71.1);
Tailwind
colors: {
custom: {
50: '#cfa471',
500: '#b57f37',
950: '#000000',
},
}SCSS
$custom: #b57f37; $custom-light: #cfa471; $custom-dark: #000000;
JSON
{
"hex": "#b57f37",
"rgb": {
"r": 181,
"g": 127,
"b": 55
},
"hsl": {
"h": 34.286,
"s": 53.39,
"l": 46.275
},
"oklch": {
"l": 0.63742,
"c": 0.11022,
"h": 71.1
},
"luminance": 0.25278
}Semantic roles & 50–950 ramp
primary
#B57F37
secondary
#829FC6
accent
#89DD4B
background
#FDFAF7
surface
#FAF4ED
border
#D3CEC8
text
#150F08
muted
#837F7B