#B4501F#B4501F
#B4501F is a mid, vivid orange. Relative luminance 0.155; OKLCH L 55.2% C 0.143 H 43.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).
Color values
| HEX | #B4501F |
|---|---|
| RGB | rgb(180, 80, 31) |
| HSL | hsl(20, 71%, 41%) |
| HSV | hsv(20, 83%, 71%) |
| CMYK | cmyk(0%, 55.6%, 82.8%, 29.4%) |
| CIE-LAB | lab(46.37, 37.89, 46.20) |
| CIE-LCH | lch(46.37, 59.75, 50.64°) |
| OKLab | oklab(55.19% 0.1039 0.0987) |
| OKLCH | oklch(55.19% 0.143 43.5) |
| XYZ | xyz(21.9407, 15.5425, 3.1407) |
| Luminance | 0.1554 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Burnt Sienna
#B04E0F
ΔE00 2.74
Brick Orange
#C14A09
ΔE00 3.14
Rust
#B7410E
ΔE00 3.59
Burnt Orange
#C04E01
ΔE00 3.87
Sienna (survey)
#A9561E
ΔE00 4.00
Burnt Siena
#B75203
ΔE00 4.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4501F #1F83B4
analogous
#B41F38 #B4501F #B49B1F
triadic
#B4501F #1FB450 #501FB4
tetradic
#B4501F #38B41F #1F83B4 #9B1FB4
square
#B4501F #38B41F #1F83B4 #9B1FB4
split-complementary
#B4501F #1FB49B #1F38B4
monochromatic
#4C220D #803916 #B4501F #DC6B34 #E59168
Accessibility & contrast
On white
5.11
#B4501F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#B4501F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B4501F
5.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4501F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B4501F | 1.00 | 5.11 | 4.11 | 5.11 |
| #FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C6017
Deuteranopia (green-blind)
#85761C
Tritanopia (blue-blind)
#C63946
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b4501f; /* rgb */ color: rgb(180, 80, 31); /* oklch */ color: oklch(55.2% 0.143 43.5);
Tailwind
colors: {
custom: {
50: '#d2845f',
500: '#b4501f',
950: '#000000',
},
}SCSS
$custom: #b4501f; $custom-light: #d2845f; $custom-dark: #000000;
JSON
{
"hex": "#b4501f",
"rgb": {
"r": 180,
"g": 80,
"b": 31
},
"hsl": {
"h": 19.732,
"s": 70.616,
"l": 41.373
},
"oklch": {
"l": 0.55188,
"c": 0.14329,
"h": 43.5
},
"luminance": 0.1554
}Semantic roles & 50–950 ramp
primary
#B4501F
secondary
#64A9CB
accent
#B3ED3A
background
#FEF8F5
surface
#FCEFE9
border
#D5CAC5
text
#160B05
muted
#847C79