#B5582A#B5582A
#B5582A is a mid, vivid orange. Relative luminance 0.170; OKLCH L 56.7% C 0.134 H 44.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).
Color values
| HEX | #B5582A |
|---|---|
| RGB | rgb(181, 88, 42) |
| HSL | hsl(20, 62%, 44%) |
| HSV | hsv(20, 77%, 71%) |
| CMYK | cmyk(0%, 51.4%, 76.8%, 29%) |
| CIE-LAB | lab(48.23, 34.59, 42.86) |
| CIE-LCH | lch(48.23, 55.07, 51.09°) |
| OKLab | oklab(56.66% 0.0955 0.0945) |
| OKLCH | oklch(56.66% 0.134 44.7) |
| XYZ | xyz(22.9659, 16.9732, 4.2568) |
| Luminance | 0.1697 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 4.05
Burnt Sienna
#B04E0F
ΔE00 4.14
Brick Orange
#C14A09
ΔE00 4.39
Burnt Orange
#C04E01
ΔE00 4.64
Burnt Siena
#B75203
ΔE00 4.85
Rust Orange
#C45508
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B5582A #2A87B5
analogous
#B52A41 #B5582A #B59D2A
triadic
#B5582A #2AB558 #582AB5
tetradic
#B5582A #41B52A #2A87B5 #9D2AB5
square
#B5582A #41B52A #2A87B5 #9D2AB5
split-complementary
#B5582A #2AB59D #2A41B5
monochromatic
#522813 #83401E #B5582A #D47648 #E09B79
Accessibility & contrast
On white
4.78
#B5582A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.39
#B5582A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B5582A
4.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B5582A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B5582A | 1.00 | 4.78 | 4.39 | 4.78 |
| #FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#726624
Deuteranopia (green-blind)
#897A28
Tritanopia (blue-blind)
#C7444E
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #b5582a; /* rgb */ color: rgb(181, 88, 42); /* oklch */ color: oklch(56.7% 0.134 44.7);
Tailwind
colors: {
custom: {
50: '#d28966',
500: '#b5582a',
950: '#000000',
},
}SCSS
$custom: #b5582a; $custom-light: #d28966; $custom-dark: #000000;
JSON
{
"hex": "#b5582a",
"rgb": {
"r": 181,
"g": 88,
"b": 42
},
"hsl": {
"h": 19.856,
"s": 62.332,
"l": 43.725
},
"oklch": {
"l": 0.56662,
"c": 0.13439,
"h": 44.7
},
"luminance": 0.1697
}Semantic roles & 50–950 ramp
primary
#B5582A
secondary
#73ACC8
accent
#AFE542
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A