#B45730#B45730
#B45730 is a mid, vivid orange. Relative luminance 0.167; OKLCH L 56.4% C 0.132 H 42.2°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #B45730 |
|---|---|
| RGB | rgb(180, 87, 48) |
| HSL | hsl(18, 58%, 45%) |
| HSV | hsv(18, 73%, 71%) |
| CMYK | cmyk(0%, 51.7%, 73.3%, 29.4%) |
| CIE-LAB | lab(47.93, 34.98, 39.43) |
| CIE-LCH | lch(47.93, 52.71, 48.43°) |
| OKLab | oklab(56.42% 0.0979 0.0886) |
| OKLCH | oklch(56.42% 0.132 42.2) |
| XYZ | xyz(22.7662, 16.7359, 4.8272) |
| Luminance | 0.1673 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 4.62
Brick Orange
#C14A09
ΔE00 5.25
Sienna (survey)
#A9561E
ΔE00 5.34
Burnt Sienna
#B04E0F
ΔE00 5.35
Rust
#B7410E
ΔE00 5.65
Terra Cotta
#C9643B
ΔE00 5.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B45730 #308DB4
analogous
#B4304B #B45730 #B49930
triadic
#B45730 #30B457 #5730B4
tetradic
#B45730 #4BB430 #308DB4 #9930B4
square
#B45730 #4BB430 #308DB4 #9930B4
split-complementary
#B45730 #30B499 #304BB4
monochromatic
#532816 #844023 #B45730 #D17651 #DD9C81
Accessibility & contrast
On white
4.83
#B45730 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.35
#B45730 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B45730
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B45730 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B45730 | 1.00 | 4.83 | 4.35 | 4.83 |
| #FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#71652C
Deuteranopia (green-blind)
#877A2E
Tritanopia (blue-blind)
#C5444E
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #b45730; /* rgb */ color: rgb(180, 87, 48); /* oklch */ color: oklch(56.4% 0.132 42.2);
Tailwind
colors: {
custom: {
50: '#d1886a',
500: '#b45730',
950: '#000000',
},
}SCSS
$custom: #b45730; $custom-light: #d1886a; $custom-dark: #000000;
JSON
{
"hex": "#b45730",
"rgb": {
"r": 180,
"g": 87,
"b": 48
},
"hsl": {
"h": 17.727,
"s": 57.895,
"l": 44.706
},
"oklch": {
"l": 0.56421,
"c": 0.13202,
"h": 42.2
},
"luminance": 0.16733
}Semantic roles & 50–950 ramp
primary
#B45730
secondary
#79B0C6
accent
#B3E147
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A