#B0522B#B0522B
#B0522B is a mid, vivid orange. Relative luminance 0.154; OKLCH L 55.0% C 0.134 H 41.8°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #B0522B |
|---|---|
| RGB | rgb(176, 82, 43) |
| HSL | hsl(18, 61%, 43%) |
| HSV | hsv(18, 76%, 69%) |
| CMYK | cmyk(0%, 53.4%, 75.6%, 31%) |
| CIE-LAB | lab(46.23, 35.74, 40.04) |
| CIE-LCH | lch(46.23, 53.67, 48.25°) |
| OKLab | oklab(54.99% 0.0997 0.089) |
| OKLCH | oklch(54.99% 0.134 41.8) |
| XYZ | xyz(21.3599, 15.4418, 4.1408) |
| Luminance | 0.1544 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.54
Rust
#B7410E
ΔE00 4.48
Burnt Sienna
#B04E0F
ΔE00 4.71
Sienna (survey)
#A9561E
ΔE00 5.09
Brick Orange
#C14A09
ΔE00 5.10
Burnt Orange
#C04E01
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B0522B #2B89B0
analogous
#B02B46 #B0522B #B0942B
triadic
#B0522B #2BB052 #522BB0
tetradic
#B0522B #46B02B #2B89B0 #942BB0
square
#B0522B #46B02B #2B89B0 #942BB0
split-complementary
#B0522B #2BB094 #2B46B0
monochromatic
#4E2413 #7F3B1F #B0522B #D26F46 #DE9678
Accessibility & contrast
On white
5.14
#B0522B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#B0522B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B0522B
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B0522B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B0522B | 1.00 | 5.14 | 4.09 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C6126
Deuteranopia (green-blind)
#837529
Tritanopia (blue-blind)
#C13E4A
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #b0522b; /* rgb */ color: rgb(176, 82, 43); /* oklch */ color: oklch(55.0% 0.134 41.8);
Tailwind
colors: {
custom: {
50: '#ce8566',
500: '#b0522b',
950: '#000000',
},
}SCSS
$custom: #b0522b; $custom-light: #ce8566; $custom-dark: #000000;
JSON
{
"hex": "#b0522b",
"rgb": {
"r": 176,
"g": 82,
"b": 43
},
"hsl": {
"h": 17.594,
"s": 60.731,
"l": 42.941
},
"oklch": {
"l": 0.54992,
"c": 0.13364,
"h": 41.8
},
"luminance": 0.15439
}Semantic roles & 50–950 ramp
primary
#B0522B
secondary
#71ADC6
accent
#B5E444
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A