#B4811B#B4811B
#B4811B is a light, vivid orange. Relative luminance 0.255; OKLCH L 63.8% C 0.125 H 78.7°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).
Color values
| HEX | #B4811B |
|---|---|
| RGB | rgb(180, 129, 27) |
| HSL | hsl(40, 74%, 41%) |
| HSV | hsv(40, 85%, 71%) |
| CMYK | cmyk(0%, 28.3%, 85%, 29.4%) |
| CIE-LAB | lab(57.55, 11.16, 57.45) |
| CIE-LCH | lch(57.55, 58.52, 79.01°) |
| OKLab | oklab(63.81% 0.0244 0.1225) |
| OKLCH | oklch(63.81% 0.125 78.7) |
| XYZ | xyz(26.8725, 25.4852, 4.5405) |
| Luminance | 0.2548 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Darkgoldenrod
#B8860B
ΔE00 2.47
Golden Brown
#B27A01
ΔE00 2.50
Mustard Brown
#AC7E04
ΔE00 2.63
Bronze (survey)
#A87900
ΔE00 3.58
Ochre
#BF9005
ΔE00 5.87
Dark Tan
#AF884A
ΔE00 6.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4811B #1B4EB4
analogous
#B4341B #B4811B #9AB41B
triadic
#B4811B #1BB481 #811BB4
tetradic
#B4811B #1BB434 #1B4EB4 #B41B9A
square
#B4811B #1BB434 #1B4EB4 #B41B9A
split-complementary
#B4811B #1B9AB4 #341BB4
monochromatic
#4A350B #7F5B13 #B4811B #DFA42D #E7BB62
Accessibility & contrast
On white
3.44
#B4811B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.10
#B4811B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B4811B
6.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4811B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B4811B | 1.00 | 3.44 | 6.10 | 6.10 |
| #FFFFFF | 3.44 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.10 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.10 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#948300
Deuteranopia (green-blind)
#A18F20
Tritanopia (blue-blind)
#C4736E
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #b4811b; /* rgb */ color: rgb(180, 129, 27); /* oklch */ color: oklch(63.8% 0.125 78.7);
Tailwind
colors: {
custom: {
50: '#d0a562',
500: '#b4811b',
950: '#000000',
},
}SCSS
$custom: #b4811b; $custom-light: #d0a562; $custom-dark: #000000;
JSON
{
"hex": "#b4811b",
"rgb": {
"r": 180,
"g": 129,
"b": 27
},
"hsl": {
"h": 40,
"s": 73.913,
"l": 40.588
},
"oklch": {
"l": 0.6381,
"c": 0.12487,
"h": 78.7
},
"luminance": 0.25483
}Semantic roles & 50–950 ramp
primary
#B4811B
secondary
#5F83CC
accent
#75F137
background
#FDFAF6
surface
#FBF4EB
border
#D4CEC6
text
#150F06
muted
#837F7A