#A0401B#A0401B
#A0401B is a mid, vivid orange. Relative luminance 0.112; OKLCH L 49.7% C 0.137 H 39.8°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).
Color values
| HEX | #A0401B |
|---|---|
| RGB | rgb(160, 64, 27) |
| HSL | hsl(17, 71%, 37%) |
| HSV | hsv(17, 83%, 63%) |
| CMYK | cmyk(0%, 60%, 83.1%, 37.3%) |
| CIE-LAB | lab(39.95, 37.92, 40.92) |
| CIE-LCH | lch(39.95, 55.79, 47.18°) |
| OKLab | oklab(49.66% 0.1051 0.0875) |
| OKLCH | oklch(49.66% 0.137 39.8) |
| XYZ | xyz(16.5302, 11.2218, 2.3323) |
| Luminance | 0.1122 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Rust (survey)
#A83C09
ΔE00 2.77
Russet
#A13905
ΔE00 2.85
Burnt Umber
#A0450E
ΔE00 4.04
Auburn
#9A3001
ΔE00 4.11
Rusty Red
#AF2F0D
ΔE00 4.30
Rust Red
#AA2704
ΔE00 4.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A0401B #1B7BA0
analogous
#A01B38 #A0401B #A0831B
triadic
#A0401B #1BA040 #401BA0
tetradic
#A0401B #38A01B #1B7BA0 #831BA0
square
#A0401B #38A01B #1B7BA0 #831BA0
split-complementary
#A0401B #1BA083 #1B38A0
monochromatic
#371609 #6C2B12 #A0401B #D45524 #E27B53
Accessibility & contrast
On white
6.47
#A0401B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.24
#A0401B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A0401B
6.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A0401B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A0401B | 1.00 | 6.47 | 3.24 | 6.47 |
| #FFFFFF | 6.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B5115
Deuteranopia (green-blind)
#736617
Tritanopia (blue-blind)
#B02939
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #a0401b; /* rgb */ color: rgb(160, 64, 27); /* oklch */ color: oklch(49.7% 0.137 39.8);
Tailwind
colors: {
custom: {
50: '#c4785b',
500: '#a0401b',
950: '#000000',
},
}SCSS
$custom: #a0401b; $custom-light: #c4785b; $custom-dark: #000000;
JSON
{
"hex": "#a0401b",
"rgb": {
"r": 160,
"g": 64,
"b": 27
},
"hsl": {
"h": 16.692,
"s": 71.123,
"l": 36.667
},
"oklch": {
"l": 0.49664,
"c": 0.13675,
"h": 39.8
},
"luminance": 0.1122
}Semantic roles & 50–950 ramp
primary
#A0401B
secondary
#52A5C5
accent
#BCEE3A
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79