#B3572F#B3572F
#B3572F is a mid, vivid orange. Relative luminance 0.166; OKLCH L 56.3% C 0.131 H 42.7°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).
Color values
| HEX | #B3572F |
|---|---|
| RGB | rgb(179, 87, 47) |
| HSL | hsl(18, 58%, 44%) |
| HSV | hsv(18, 74%, 70%) |
| CMYK | cmyk(0%, 51.4%, 73.7%, 29.8%) |
| CIE-LAB | lab(47.76, 34.53, 39.73) |
| CIE-LCH | lch(47.76, 52.64, 49.01°) |
| OKLab | oklab(56.26% 0.0964 0.0891) |
| OKLCH | oklch(56.26% 0.131 42.7) |
| XYZ | xyz(22.5138, 16.6081, 4.7089) |
| Luminance | 0.1661 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 4.39
Sienna (survey)
#A9561E
ΔE00 4.96
Burnt Sienna
#B04E0F
ΔE00 5.03
Brick Orange
#C14A09
ΔE00 5.15
Rust
#B7410E
ΔE00 5.59
Burnt Orange
#C04E01
ΔE00 5.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3572F #2F8BB3
analogous
#B32F49 #B3572F #B3992F
triadic
#B3572F #2FB357 #572FB3
tetradic
#B3572F #49B32F #2F8BB3 #992FB3
square
#B3572F #49B32F #2F8BB3 #992FB3
split-complementary
#B3572F #2FB399 #2F49B3
monochromatic
#522816 #833F22 #B3572F #D1764F #DD9C7F
Accessibility & contrast
On white
4.86
#B3572F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.32
#B3572F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B3572F
4.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3572F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B3572F | 1.00 | 4.86 | 4.32 | 4.86 |
| #FFFFFF | 4.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#70652A
Deuteranopia (green-blind)
#87792D
Tritanopia (blue-blind)
#C4444E
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b3572f; /* rgb */ color: rgb(179, 87, 47); /* oklch */ color: oklch(56.3% 0.131 42.7);
Tailwind
colors: {
custom: {
50: '#d08869',
500: '#b3572f',
950: '#000000',
},
}SCSS
$custom: #b3572f; $custom-light: #d08869; $custom-dark: #000000;
JSON
{
"hex": "#b3572f",
"rgb": {
"r": 179,
"g": 87,
"b": 47
},
"hsl": {
"h": 18.182,
"s": 58.407,
"l": 44.314
},
"oklch": {
"l": 0.56263,
"c": 0.13128,
"h": 42.7
},
"luminance": 0.16605
}Semantic roles & 50–950 ramp
primary
#B3572F
secondary
#78AEC6
accent
#B3E246
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A