#B1582F#B1582F
#B1582F is a mid, vivid orange. Relative luminance 0.165; OKLCH L 56.1% C 0.128 H 43.8°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #B1582F |
|---|---|
| RGB | rgb(177, 88, 47) |
| HSL | hsl(19, 58%, 44%) |
| HSV | hsv(19, 73%, 69%) |
| CMYK | cmyk(0%, 50.3%, 73.4%, 30.6%) |
| CIE-LAB | lab(47.67, 33.20, 39.54) |
| CIE-LCH | lch(47.67, 51.63, 49.99°) |
| OKLab | oklab(56.13% 0.0925 0.0888) |
| OKLCH | oklch(56.13% 0.128 43.8) |
| XYZ | xyz(22.1363, 16.5345, 4.7145) |
| Luminance | 0.1653 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 4.10
Sienna (survey)
#A9561E
ΔE00 4.40
Burnt Sienna
#B04E0F
ΔE00 4.78
Brick Orange
#C14A09
ΔE00 5.33
Burnt Orange
#C04E01
ΔE00 5.81
Rust
#B7410E
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1582F #2F88B1
analogous
#B12F47 #B1582F #B1992F
triadic
#B1582F #2FB158 #582FB1
tetradic
#B1582F #47B12F #2F88B1 #992FB1
square
#B1582F #47B12F #2F88B1 #992FB1
split-complementary
#B1582F #2FB199 #2F47B1
monochromatic
#502815 #814022 #B1582F #D0774D #DD9C7E
Accessibility & contrast
On white
4.88
#B1582F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.31
#B1582F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1582F
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1582F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1582F | 1.00 | 4.88 | 4.31 | 4.88 |
| #FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#71652A
Deuteranopia (green-blind)
#86792D
Tritanopia (blue-blind)
#C2464F
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b1582f; /* rgb */ color: rgb(177, 88, 47); /* oklch */ color: oklch(56.1% 0.128 43.8);
Tailwind
colors: {
custom: {
50: '#cf8969',
500: '#b1582f',
950: '#000000',
},
}SCSS
$custom: #b1582f; $custom-light: #cf8969; $custom-dark: #000000;
JSON
{
"hex": "#b1582f",
"rgb": {
"r": 177,
"g": 88,
"b": 47
},
"hsl": {
"h": 18.923,
"s": 58.036,
"l": 43.922
},
"oklch": {
"l": 0.5613,
"c": 0.12825,
"h": 43.8
},
"luminance": 0.16532
}Semantic roles & 50–950 ramp
primary
#B1582F
secondary
#76ACC5
accent
#B0E147
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A