#B45F31#B45F31
#B45F31 is a mid, vivid orange. Relative luminance 0.181; OKLCH L 57.7% C 0.125 H 47.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #B45F31 |
|---|---|
| RGB | rgb(180, 95, 49) |
| HSL | hsl(21, 57%, 45%) |
| HSV | hsv(21, 73%, 71%) |
| CMYK | cmyk(0%, 47.2%, 72.8%, 29.4%) |
| CIE-LAB | lab(49.63, 30.79, 40.76) |
| CIE-LCH | lch(49.63, 51.08, 52.93°) |
| OKLab | oklab(57.73% 0.0853 0.0917) |
| OKLCH | oklch(57.73% 0.125 47.1) |
| XYZ | xyz(23.4711, 18.1122, 5.1651) |
| Luminance | 0.1811 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Copper (survey)
#B66325
ΔE00 4.00
Sienna (survey)
#A9561E
ΔE00 4.39
Earth
#A2653E
ΔE00 4.98
Adobe
#BD6C48
ΔE00 5.21
Rust Orange
#C45508
ΔE00 5.35
Terra Cotta
#C9643B
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B45F31 #3186B4
analogous
#B43144 #B45F31 #B4A131
triadic
#B45F31 #31B45F #5F31B4
tetradic
#B45F31 #44B431 #3186B4 #A131B4
square
#B45F31 #44B431 #3186B4 #A131B4
split-complementary
#B45F31 #31B4A1 #3144B4
monochromatic
#542C17 #844624 #B45F31 #D07E52 #DDA282
Accessibility & contrast
On white
4.54
#B45F31 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#B45F31 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B45F31
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B45F31 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B45F31 | 1.00 | 4.54 | 4.62 | 4.62 |
| #FFFFFF | 4.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#776A2C
Deuteranopia (green-blind)
#8B7D30
Tritanopia (blue-blind)
#C54E55
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #b45f31; /* rgb */ color: rgb(180, 95, 49); /* oklch */ color: oklch(57.7% 0.125 47.1);
Tailwind
colors: {
custom: {
50: '#d08d6b',
500: '#b45f31',
950: '#000000',
},
}SCSS
$custom: #b45f31; $custom-light: #d08d6b; $custom-dark: #000000;
JSON
{
"hex": "#b45f31",
"rgb": {
"r": 180,
"g": 95,
"b": 49
},
"hsl": {
"h": 21.069,
"s": 57.205,
"l": 44.902
},
"oklch": {
"l": 0.57729,
"c": 0.12523,
"h": 47.1
},
"luminance": 0.18109
}Semantic roles & 50–950 ramp
primary
#B45F31
secondary
#7BACC6
accent
#ABE047
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C07
muted
#837D7A