#B7582B#B7582B
#B7582B is a mid, vivid orange. Relative luminance 0.172; OKLCH L 57.0% C 0.136 H 43.9°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).
Color values
| HEX | #B7582B |
|---|---|
| RGB | rgb(183, 88, 43) |
| HSL | hsl(19, 62%, 44%) |
| HSV | hsv(19, 77%, 72%) |
| CMYK | cmyk(0%, 51.9%, 76.5%, 28.2%) |
| CIE-LAB | lab(48.54, 35.43, 42.78) |
| CIE-LCH | lch(48.54, 55.55, 50.37°) |
| OKLab | oklab(56.97% 0.0981 0.0945) |
| OKLCH | oklch(56.97% 0.136 43.9) |
| XYZ | xyz(23.4565, 17.2241, 4.3744) |
| Luminance | 0.1722 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brick Orange
#C14A09
ΔE00 4.34
Burnt Sienna
#B04E0F
ΔE00 4.55
Sienna (survey)
#A9561E
ΔE00 4.61
Burnt Orange
#C04E01
ΔE00 4.74
Rust Orange
#C45508
ΔE00 4.98
Dark Orange
#C65102
ΔE00 5.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B7582B #2B8AB7
analogous
#B72B44 #B7582B #B79E2B
triadic
#B7582B #2BB758 #582BB7
tetradic
#B7582B #44B72B #2B8AB7 #9E2BB7
square
#B7582B #44B72B #2B8AB7 #9E2BB7
split-complementary
#B7582B #2BB79E #2B44B7
monochromatic
#542814 #85401F #B7582B #D5774B #E09C7C
Accessibility & contrast
On white
4.73
#B7582B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.44
#B7582B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B7582B
4.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B7582B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B7582B | 1.00 | 4.73 | 4.44 | 4.73 |
| #FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#736625
Deuteranopia (green-blind)
#8A7B29
Tritanopia (blue-blind)
#C9444E
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #b7582b; /* rgb */ color: rgb(183, 88, 43); /* oklch */ color: oklch(57.0% 0.136 43.9);
Tailwind
colors: {
custom: {
50: '#d38967',
500: '#b7582b',
950: '#000000',
},
}SCSS
$custom: #b7582b; $custom-light: #d38967; $custom-dark: #000000;
JSON
{
"hex": "#b7582b",
"rgb": {
"r": 183,
"g": 88,
"b": 43
},
"hsl": {
"h": 19.286,
"s": 61.947,
"l": 44.314
},
"oklch": {
"l": 0.56966,
"c": 0.1362,
"h": 43.9
},
"luminance": 0.17221
}Semantic roles & 50–950 ramp
primary
#B7582B
secondary
#75AEC9
accent
#B1E543
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A