#B4491B#B4491B
#B4491B is a mid, vivid orange. Relative luminance 0.145; OKLCH L 54.1% C 0.150 H 41.0°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #B4491B |
|---|---|
| RGB | rgb(180, 73, 27) |
| HSL | hsl(18, 74%, 41%) |
| HSV | hsv(18, 85%, 71%) |
| CMYK | cmyk(0%, 59.4%, 85%, 29.4%) |
| CIE-LAB | lab(45.01, 41.22, 46.74) |
| CIE-LCH | lch(45.01, 62.32, 48.59°) |
| OKLab | oklab(54.15% 0.1134 0.0986) |
| OKLCH | oklch(54.15% 0.15 41) |
| XYZ | xyz(21.4051, 14.5505, 2.7181) |
| Luminance | 0.1455 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Rust
#B7410E
ΔE00 1.85
Brick Orange
#C14A09
ΔE00 3.55
Burnt Sienna
#B04E0F
ΔE00 3.79
Rust (survey)
#A83C09
ΔE00 4.16
Burnt Orange
#C04E01
ΔE00 4.93
Sienna
#A0522D
ΔE00 4.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4491B #1B86B4
analogous
#B41B3A #B4491B #B4951B
triadic
#B4491B #1BB449 #491BB4
tetradic
#B4491B #3AB41B #1B86B4 #951BB4
square
#B4491B #3AB41B #1B86B4 #951BB4
split-complementary
#B4491B #1BB495 #1B3AB4
monochromatic
#4A1E0B #7F3313 #B4491B #DF622D #E78A62
Accessibility & contrast
On white
5.37
#B4491B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.91
#B4491B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B4491B
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4491B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B4491B | 1.00 | 5.37 | 3.91 | 5.37 |
| #FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#685B13
Deuteranopia (green-blind)
#827416
Tritanopia (blue-blind)
#C62E40
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #b4491b; /* rgb */ color: rgb(180, 73, 27); /* oklch */ color: oklch(54.1% 0.150 41.0);
Tailwind
colors: {
custom: {
50: '#d37f5c',
500: '#b4491b',
950: '#000000',
},
}SCSS
$custom: #b4491b; $custom-light: #d37f5c; $custom-dark: #000000;
JSON
{
"hex": "#b4491b",
"rgb": {
"r": 180,
"g": 73,
"b": 27
},
"hsl": {
"h": 18.039,
"s": 73.913,
"l": 40.588
},
"oklch": {
"l": 0.5415,
"c": 0.15025,
"h": 41
},
"luminance": 0.14548
}Semantic roles & 50–950 ramp
primary
#B4491B
secondary
#5FABCC
accent
#B9F137
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160A04
muted
#847C79