#B3811C#B3811C
#B3811C is a light, vivid orange. Relative luminance 0.254; OKLCH L 63.7% C 0.124 H 79.2°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).
Color values
| HEX | #B3811C |
|---|---|
| RGB | rgb(179, 129, 28) |
| HSL | hsl(40, 73%, 41%) |
| HSV | hsv(40, 84%, 70%) |
| CMYK | cmyk(0%, 27.9%, 84.4%, 29.8%) |
| CIE-LAB | lab(57.43, 10.74, 57.00) |
| CIE-LCH | lch(57.43, 58.00, 79.33°) |
| OKLab | oklab(63.7% 0.0233 0.1218) |
| OKLCH | oklch(63.7% 0.124 79.2) |
| XYZ | xyz(26.6522, 25.3703, 4.5916) |
| Luminance | 0.2537 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Mustard Brown
#AC7E04
ΔE00 2.46
Darkgoldenrod
#B8860B
ΔE00 2.49
Golden Brown
#B27A01
ΔE00 2.61
Bronze (survey)
#A87900
ΔE00 3.45
Ochre
#BF9005
ΔE00 5.88
Dark Tan
#AF884A
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3811C #1C4EB3
analogous
#B3351C #B3811C #9AB31C
triadic
#B3811C #1CB381 #811CB3
tetradic
#B3811C #1CB335 #1C4EB3 #B31C9A
square
#B3811C #1CB335 #1C4EB3 #B31C9A
split-complementary
#B3811C #1C9AB3 #351CB3
monochromatic
#49350B #7E5B14 #B3811C #DEA42E #E7BB63
Accessibility & contrast
On white
3.46
#B3811C on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.07
#B3811C on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B3811C
6.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3811C | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B3811C | 1.00 | 3.46 | 6.07 | 6.07 |
| #FFFFFF | 3.46 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#948300
Deuteranopia (green-blind)
#A08F21
Tritanopia (blue-blind)
#C3736E
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #b3811c; /* rgb */ color: rgb(179, 129, 28); /* oklch */ color: oklch(63.7% 0.124 79.2);
Tailwind
colors: {
custom: {
50: '#cfa563',
500: '#b3811c',
950: '#000000',
},
}SCSS
$custom: #b3811c; $custom-light: #cfa563; $custom-dark: #000000;
JSON
{
"hex": "#b3811c",
"rgb": {
"r": 179,
"g": 129,
"b": 28
},
"hsl": {
"h": 40.132,
"s": 72.947,
"l": 40.588
},
"oklch": {
"l": 0.63699,
"c": 0.12398,
"h": 79.2
},
"luminance": 0.25368
}Semantic roles & 50–950 ramp
primary
#B3811C
secondary
#5F83CB
accent
#75F038
background
#FDFAF6
surface
#FAF4EB
border
#D3CEC6
text
#150F06
muted
#837F7A