#B66331#B66331
#B66331 is a mid, vivid orange. Relative luminance 0.191; OKLCH L 58.7% C 0.124 H 49.3°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).
Color values
| HEX | #B66331 |
|---|---|
| RGB | rgb(182, 99, 49) |
| HSL | hsl(23, 58%, 45%) |
| HSV | hsv(23, 73%, 71%) |
| CMYK | cmyk(0%, 45.6%, 73.1%, 28.6%) |
| CIE-LAB | lab(50.80, 29.47, 42.09) |
| CIE-LCH | lch(50.80, 51.38, 55.01°) |
| OKLab | oklab(58.68% 0.0811 0.0944) |
| OKLCH | oklch(58.68% 0.125 49.3) |
| XYZ | xyz(24.3098, 19.0933, 5.3103) |
| Luminance | 0.1909 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Copper (survey)
#B66325
ΔE00 2.66
Adobe
#BD6C48
ΔE00 4.96
Earth
#A2653E
ΔE00 5.02
Sienna (survey)
#A9561E
ΔE00 5.04
Rust Orange
#C45508
ΔE00 5.28
Clay Brown
#B2713D
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B66331 #3184B6
analogous
#B63142 #B66331 #B6A531
triadic
#B66331 #31B663 #6331B6
tetradic
#B66331 #42B631 #3184B6 #A531B6
square
#B66331 #42B631 #3184B6 #A531B6
split-complementary
#B66331 #31B6A5 #3142B6
monochromatic
#562F17 #864924 #B66331 #D18353 #DEA684
Accessibility & contrast
On white
4.36
#B66331 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.82
#B66331 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B66331
4.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B66331 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B66331 | 1.00 | 4.36 | 4.82 | 4.82 |
| #FFFFFF | 4.36 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.82 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.82 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A6E2B
Deuteranopia (green-blind)
#8E8030
Tritanopia (blue-blind)
#C75258
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #b66331; /* rgb */ color: rgb(182, 99, 49); /* oklch */ color: oklch(58.7% 0.124 49.3);
Tailwind
colors: {
custom: {
50: '#d2906c',
500: '#b66331',
950: '#000000',
},
}SCSS
$custom: #b66331; $custom-light: #d2906c; $custom-dark: #000000;
JSON
{
"hex": "#b66331",
"rgb": {
"r": 182,
"g": 99,
"b": 49
},
"hsl": {
"h": 22.556,
"s": 57.576,
"l": 45.294
},
"oklch": {
"l": 0.5868,
"c": 0.1245,
"h": 49.3
},
"luminance": 0.19091
}Semantic roles & 50–950 ramp
primary
#B66331
secondary
#7CABC7
accent
#A7E147
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C07
muted
#837D7A