#B66B31#B66B31
#B66B31 is a mid, moderate orange. Relative luminance 0.207; OKLCH L 60.1% C 0.120 H 55.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #B66B31 |
|---|---|
| RGB | rgb(182, 107, 49) |
| HSL | hsl(26, 58%, 45%) |
| HSV | hsv(26, 73%, 71%) |
| CMYK | cmyk(0%, 41.2%, 73.1%, 28.6%) |
| CIE-LAB | lab(52.60, 25.11, 44.01) |
| CIE-LCH | lch(52.60, 50.67, 60.30°) |
| OKLab | oklab(60.07% 0.068 0.0986) |
| OKLCH | oklch(60.07% 0.12 55.4) |
| XYZ | xyz(25.1056, 20.6849, 5.5756) |
| Luminance | 0.2068 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Clay Brown
#B2713D
ΔE00 2.50
Copper (survey)
#B66325
ΔE00 2.61
Copper
#B87333
ΔE00 3.28
Orange Brown
#BE6400
ΔE00 4.96
Orangish Brown
#B25F03
ΔE00 5.41
Orangey Brown
#B16002
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B66B31 #317CB6
analogous
#B6313A #B66B31 #B6AD31
triadic
#B66B31 #31B66B #6B31B6
tetradic
#B66B31 #3AB631 #317CB6 #AD31B6
square
#B66B31 #3AB631 #317CB6 #AD31B6
split-complementary
#B66B31 #31B6AD #313AB6
monochromatic
#563217 #864F24 #B66B31 #D18A53 #DEAB84
Accessibility & contrast
On white
4.09
#B66B31 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.14
#B66B31 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B66B31
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B66B31 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B66B31 | 1.00 | 4.09 | 5.14 | 5.14 |
| #FFFFFF | 4.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#81732A
Deuteranopia (green-blind)
#938431
Tritanopia (blue-blind)
#C75B5F
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #b66b31; /* rgb */ color: rgb(182, 107, 49); /* oklch */ color: oklch(60.1% 0.120 55.4);
Tailwind
colors: {
custom: {
50: '#d1966c',
500: '#b66b31',
950: '#000000',
},
}SCSS
$custom: #b66b31; $custom-light: #d1966c; $custom-dark: #000000;
JSON
{
"hex": "#b66b31",
"rgb": {
"r": 182,
"g": 107,
"b": 49
},
"hsl": {
"h": 26.165,
"s": 57.576,
"l": 45.294
},
"oklch": {
"l": 0.60071,
"c": 0.11973,
"h": 55.4
},
"luminance": 0.20682
}Semantic roles & 50–950 ramp
primary
#B66B31
secondary
#7CA6C7
accent
#9EE147
background
#FDF9F6
surface
#FBF2EB
border
#D4CCC6
text
#150D07
muted
#837E7A