#B37F31#B37F31
#B37F31 is a light, moderate orange. Relative luminance 0.250; OKLCH L 63.5% C 0.113 H 73.8°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #B37F31 |
|---|---|
| RGB | rgb(179, 127, 49) |
| HSL | hsl(36, 57%, 45%) |
| HSV | hsv(36, 73%, 70%) |
| CMYK | cmyk(0%, 29.1%, 72.6%, 29.8%) |
| CIE-LAB | lab(57.06, 12.69, 48.53) |
| CIE-LCH | lch(57.06, 50.16, 75.35°) |
| OKLab | oklab(63.45% 0.0314 0.1083) |
| OKLCH | oklch(63.45% 0.113 73.8) |
| XYZ | xyz(26.7360, 24.9864, 6.3199) |
| Luminance | 0.2498 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Golden Brown
#B27A01
ΔE00 4.13
Dark Tan
#AF884A
ΔE00 4.55
Leather
#AC7434
ΔE00 4.90
Coffee
#A6814C
ΔE00 5.40
Mustard Brown
#AC7E04
ΔE00 5.42
Tan Brown
#AB7E4C
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B37F31 #3165B3
analogous
#B33E31 #B37F31 #A6B331
triadic
#B37F31 #31B37F #7F31B3
tetradic
#B37F31 #31B33E #3165B3 #B331A6
square
#B37F31 #31B33E #3165B3 #B331A6
split-complementary
#B37F31 #31A6B3 #3E31B3
monochromatic
#533B17 #835D24 #B37F31 #D09D52 #DDB882
Accessibility & contrast
On white
3.50
#B37F31 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.00
#B37F31 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B37F31
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B37F31 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B37F31 | 1.00 | 3.50 | 6.00 | 6.00 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#928227
Deuteranopia (green-blind)
#9E8E33
Tritanopia (blue-blind)
#C3726F
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #b37f31; /* rgb */ color: rgb(179, 127, 49); /* oklch */ color: oklch(63.5% 0.113 73.8);
Tailwind
colors: {
custom: {
50: '#cea46e',
500: '#b37f31',
950: '#000000',
},
}SCSS
$custom: #b37f31; $custom-light: #cea46e; $custom-dark: #000000;
JSON
{
"hex": "#b37f31",
"rgb": {
"r": 179,
"g": 127,
"b": 49
},
"hsl": {
"h": 36,
"s": 57.018,
"l": 44.706
},
"oklch": {
"l": 0.63451,
"c": 0.1128,
"h": 73.8
},
"luminance": 0.24984
}Semantic roles & 50–950 ramp
primary
#B37F31
secondary
#7A98C6
accent
#85E048
background
#FDFAF6
surface
#FAF3EC
border
#D3CDC7
text
#140F07
muted
#837F7A