#B1522D#B1522D
#B1522D is a mid, vivid orange. Relative luminance 0.156; OKLCH L 55.2% C 0.134 H 40.8°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #B1522D |
|---|---|
| RGB | rgb(177, 82, 45) |
| HSL | hsl(17, 59%, 44%) |
| HSV | hsv(17, 75%, 69%) |
| CMYK | cmyk(0%, 53.7%, 74.6%, 30.6%) |
| CIE-LAB | lab(46.41, 36.23, 39.24) |
| CIE-LCH | lch(46.41, 53.40, 47.28°) |
| OKLab | oklab(55.16% 0.1014 0.0877) |
| OKLCH | oklch(55.16% 0.134 40.8) |
| XYZ | xyz(21.6245, 15.5739, 4.3494) |
| Luminance | 0.1557 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.84
Rust
#B7410E
ΔE00 4.67
Burnt Sienna
#B04E0F
ΔE00 5.29
Brick Orange
#C14A09
ΔE00 5.38
Sienna (survey)
#A9561E
ΔE00 5.69
Rust (survey)
#A83C09
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1522D #2D8CB1
analogous
#B12D4A #B1522D #B1942D
triadic
#B1522D #2DB152 #522DB1
tetradic
#B1522D #4AB12D #2D8CB1 #942DB1
square
#B1522D #4AB12D #2D8CB1 #942DB1
split-complementary
#B1522D #2DB194 #2D4AB1
monochromatic
#4F2514 #803B21 #B1522D #D1704A #DD977B
Accessibility & contrast
On white
5.10
#B1522D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#B1522D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1522D
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1522D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1522D | 1.00 | 5.10 | 4.11 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C6129
Deuteranopia (green-blind)
#83762B
Tritanopia (blue-blind)
#C23E4A
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b1522d; /* rgb */ color: rgb(177, 82, 45); /* oklch */ color: oklch(55.2% 0.134 40.8);
Tailwind
colors: {
custom: {
50: '#cf8568',
500: '#b1522d',
950: '#000000',
},
}SCSS
$custom: #b1522d; $custom-light: #cf8568; $custom-dark: #000000;
JSON
{
"hex": "#b1522d",
"rgb": {
"r": 177,
"g": 82,
"b": 45
},
"hsl": {
"h": 16.818,
"s": 59.459,
"l": 43.529
},
"oklch": {
"l": 0.55164,
"c": 0.13408,
"h": 40.8
},
"luminance": 0.15571
}Semantic roles & 50–950 ramp
primary
#B1522D
secondary
#74AFC6
accent
#B6E345
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A