#B7582A#B7582A
#B7582A is a mid, vivid orange. Relative luminance 0.172; OKLCH L 57.0% C 0.137 H 44.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).
Color values
| HEX | #B7582A |
|---|---|
| RGB | rgb(183, 88, 42) |
| HSL | hsl(20, 63%, 44%) |
| HSV | hsv(20, 77%, 72%) |
| CMYK | cmyk(0%, 51.9%, 77%, 28.2%) |
| CIE-LAB | lab(48.53, 35.39, 43.27) |
| CIE-LCH | lch(48.53, 55.90, 50.72°) |
| OKLab | oklab(56.96% 0.0978 0.0953) |
| OKLCH | oklch(56.96% 0.137 44.2) |
| XYZ | xyz(23.4384, 17.2168, 4.2790) |
| Luminance | 0.1721 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brick Orange
#C14A09
ΔE00 4.24
Burnt Sienna
#B04E0F
ΔE00 4.38
Sienna (survey)
#A9561E
ΔE00 4.44
Burnt Orange
#C04E01
ΔE00 4.55
Rust Orange
#C45508
ΔE00 4.77
Dark Orange
#C65102
ΔE00 4.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B7582A #2A89B7
analogous
#B72A43 #B7582A #B79F2A
triadic
#B7582A #2AB758 #582AB7
tetradic
#B7582A #43B72A #2A89B7 #9F2AB7
square
#B7582A #43B72A #2A89B7 #9F2AB7
split-complementary
#B7582A #2AB79F #2A43B7
monochromatic
#532813 #85401F #B7582A #D57749 #E19C7B
Accessibility & contrast
On white
4.73
#B7582A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.44
#B7582A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B7582A
4.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B7582A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B7582A | 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)
#736624
Deuteranopia (green-blind)
#8A7B28
Tritanopia (blue-blind)
#C9444E
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #b7582a; /* rgb */ color: rgb(183, 88, 42); /* oklch */ color: oklch(57.0% 0.137 44.2);
Tailwind
colors: {
custom: {
50: '#d38966',
500: '#b7582a',
950: '#000000',
},
}SCSS
$custom: #b7582a; $custom-light: #d38966; $custom-dark: #000000;
JSON
{
"hex": "#b7582a",
"rgb": {
"r": 183,
"g": 88,
"b": 42
},
"hsl": {
"h": 19.574,
"s": 62.667,
"l": 44.118
},
"oklch": {
"l": 0.56957,
"c": 0.13655,
"h": 44.2
},
"luminance": 0.17214
}Semantic roles & 50–950 ramp
primary
#B7582A
secondary
#74ADC9
accent
#B0E642
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A