#B3811A#B3811A
#B3811A is a light, vivid orange. Relative luminance 0.254; OKLCH L 63.7% C 0.125 H 79.4°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).
Color values
| HEX | #B3811A |
|---|---|
| RGB | rgb(179, 129, 26) |
| HSL | hsl(40, 75%, 40%) |
| HSV | hsv(40, 85%, 70%) |
| CMYK | cmyk(0%, 27.9%, 85.5%, 29.8%) |
| CIE-LAB | lab(57.43, 10.68, 57.60) |
| CIE-LCH | lch(57.43, 58.58, 79.49°) |
| OKLab | oklab(63.69% 0.023 0.1226) |
| OKLCH | oklch(63.69% 0.125 79.4) |
| XYZ | xyz(26.6291, 25.3610, 4.4698) |
| Luminance | 0.2536 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Mustard Brown
#AC7E04
ΔE00 2.32
Darkgoldenrod
#B8860B
ΔE00 2.35
Golden Brown
#B27A01
ΔE00 2.58
Bronze (survey)
#A87900
ΔE00 3.37
Ochre
#BF9005
ΔE00 5.77
Yellowy Brown
#AE8B0C
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3811A #1A4CB3
analogous
#B3341A #B3811A #99B31A
triadic
#B3811A #1AB381 #811AB3
tetradic
#B3811A #1AB334 #1A4CB3 #B31A99
square
#B3811A #1AB334 #1A4CB3 #B31A99
split-complementary
#B3811A #1A99B3 #341AB3
monochromatic
#48340A #7E5A12 #B3811A #E0A52A #E8BB60
Accessibility & contrast
On white
3.46
#B3811A on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.07
#B3811A on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B3811A
6.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3811A | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B3811A | 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)
#A08F20
Tritanopia (blue-blind)
#C3736E
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #b3811a; /* rgb */ color: rgb(179, 129, 26); /* oklch */ color: oklch(63.7% 0.125 79.4);
Tailwind
colors: {
custom: {
50: '#cfa562',
500: '#b3811a',
950: '#000000',
},
}SCSS
$custom: #b3811a; $custom-light: #cfa562; $custom-dark: #000000;
JSON
{
"hex": "#b3811a",
"rgb": {
"r": 179,
"g": 129,
"b": 26
},
"hsl": {
"h": 40.392,
"s": 74.634,
"l": 40.196
},
"oklch": {
"l": 0.63689,
"c": 0.12477,
"h": 79.4
},
"luminance": 0.25359
}Semantic roles & 50–950 ramp
primary
#B3811A
secondary
#5D81CC
accent
#74F137
background
#FDFAF6
surface
#FAF4EB
border
#D3CEC6
text
#150F06
muted
#837F7A