#B7572B#B7572B
#B7572B is a mid, vivid orange. Relative luminance 0.171; OKLCH L 56.8% C 0.137 H 43.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #B7572B |
|---|---|
| RGB | rgb(183, 87, 43) |
| HSL | hsl(19, 62%, 44%) |
| HSV | hsv(19, 77%, 72%) |
| CMYK | cmyk(0%, 52.5%, 76.5%, 28.2%) |
| CIE-LAB | lab(48.34, 35.95, 42.57) |
| CIE-LCH | lch(48.34, 55.72, 49.82°) |
| OKLab | oklab(56.81% 0.0997 0.094) |
| OKLCH | oklch(56.81% 0.137 43.3) |
| XYZ | xyz(23.3750, 17.0610, 4.3472) |
| Luminance | 0.1706 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brick Orange
#C14A09
ΔE00 4.28
Burnt Sienna
#B04E0F
ΔE00 4.60
Sienna (survey)
#A9561E
ΔE00 4.80
Burnt Orange
#C04E01
ΔE00 4.84
Rust Orange
#C45508
ΔE00 5.21
Dark Orange
#C65102
ΔE00 5.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B7572B #2B8BB7
analogous
#B72B45 #B7572B #B79D2B
triadic
#B7572B #2BB757 #572BB7
tetradic
#B7572B #45B72B #2B8BB7 #9D2BB7
square
#B7572B #45B72B #2B8BB7 #9D2BB7
split-complementary
#B7572B #2BB79D #2B45B7
monochromatic
#542814 #853F1F #B7572B #D5764B #E09C7C
Accessibility & contrast
On white
4.76
#B7572B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.41
#B7572B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B7572B
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B7572B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B7572B | 1.00 | 4.76 | 4.41 | 4.76 |
| #FFFFFF | 4.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#726626
Deuteranopia (green-blind)
#897B29
Tritanopia (blue-blind)
#C9424E
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #b7572b; /* rgb */ color: rgb(183, 87, 43); /* oklch */ color: oklch(56.8% 0.137 43.3);
Tailwind
colors: {
custom: {
50: '#d38867',
500: '#b7572b',
950: '#000000',
},
}SCSS
$custom: #b7572b; $custom-light: #d38867; $custom-dark: #000000;
JSON
{
"hex": "#b7572b",
"rgb": {
"r": 183,
"g": 87,
"b": 43
},
"hsl": {
"h": 18.857,
"s": 61.947,
"l": 44.314
},
"oklch": {
"l": 0.56811,
"c": 0.13703,
"h": 43.3
},
"luminance": 0.17058
}Semantic roles & 50–950 ramp
primary
#B7572B
secondary
#75AEC9
accent
#B2E543
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A