#B57F31#B57F31
#B57F31 is a light, moderate orange. Relative luminance 0.252; OKLCH L 63.7% C 0.114 H 72.7°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).
Color values
| HEX | #B57F31 |
|---|---|
| RGB | rgb(181, 127, 49) |
| HSL | hsl(35, 57%, 45%) |
| HSV | hsv(35, 73%, 71%) |
| CMYK | cmyk(0%, 29.8%, 72.9%, 29%) |
| CIE-LAB | lab(57.30, 13.57, 48.85) |
| CIE-LCH | lch(57.30, 50.70, 74.47°) |
| OKLab | oklab(63.68% 0.0339 0.1089) |
| OKLCH | oklch(63.68% 0.114 72.7) |
| XYZ | xyz(27.2017, 25.2265, 6.3417) |
| Luminance | 0.2522 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Golden Brown
#B27A01
ΔE00 4.31
Leather
#AC7434
ΔE00 4.77
Dark Tan
#AF884A
ΔE00 4.83
Tan Brown
#AB7E4C
ΔE00 5.49
Caramel (survey)
#AF6F09
ΔE00 5.64
Light Brown
#AD8150
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B57F31 #3167B5
analogous
#B53D31 #B57F31 #A9B531
triadic
#B57F31 #31B57F #7F31B5
tetradic
#B57F31 #31B53D #3167B5 #B531A9
square
#B57F31 #31B53D #3167B5 #B531A9
split-complementary
#B57F31 #31A9B5 #3D31B5
monochromatic
#553B17 #855D24 #B57F31 #D09D53 #DDB883
Accessibility & contrast
On white
3.47
#B57F31 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.04
#B57F31 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B57F31
6.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B57F31 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B57F31 | 1.00 | 3.47 | 6.04 | 6.04 |
| #FFFFFF | 3.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#928227
Deuteranopia (green-blind)
#9F8F33
Tritanopia (blue-blind)
#C5716F
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #b57f31; /* rgb */ color: rgb(181, 127, 49); /* oklch */ color: oklch(63.7% 0.114 72.7);
Tailwind
colors: {
custom: {
50: '#d0a46e',
500: '#b57f31',
950: '#000000',
},
}SCSS
$custom: #b57f31; $custom-light: #d0a46e; $custom-dark: #000000;
JSON
{
"hex": "#b57f31",
"rgb": {
"r": 181,
"g": 127,
"b": 49
},
"hsl": {
"h": 35.455,
"s": 57.391,
"l": 45.098
},
"oklch": {
"l": 0.63684,
"c": 0.11405,
"h": 72.7
},
"luminance": 0.25224
}Semantic roles & 50–950 ramp
primary
#B57F31
secondary
#7B9AC7
accent
#86E147
background
#FDFAF6
surface
#FAF3EC
border
#D3CDC7
text
#150F07
muted
#837F7A