#A0501B#A0501B
#A0501B is a mid, vivid orange. Relative luminance 0.133; OKLCH L 52.1% C 0.123 H 49.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #A0501B |
|---|---|
| RGB | rgb(160, 80, 27) |
| HSL | hsl(24, 71%, 37%) |
| HSV | hsv(24, 83%, 63%) |
| CMYK | cmyk(0%, 50%, 83.1%, 37.3%) |
| CIE-LAB | lab(43.20, 29.63, 43.91) |
| CIE-LCH | lch(43.20, 52.97, 55.99°) |
| OKLab | oklab(52.14% 0.0799 0.0941) |
| OKLCH | oklch(52.14% 0.123 49.7) |
| XYZ | xyz(17.5654, 13.2922, 2.6773) |
| Luminance | 0.1329 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 2.59
Burnt Umber
#A0450E
ΔE00 3.20
Cinnamon
#AC4F06
ΔE00 3.23
Burnt Sienna
#B04E0F
ΔE00 3.59
Sienna
#A0522D
ΔE00 3.86
Warm Brown
#964E02
ΔE00 4.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A0501B #1B6BA0
analogous
#A01B28 #A0501B #A0931B
triadic
#A0501B #1BA050 #501BA0
tetradic
#A0501B #28A01B #1B6BA0 #931BA0
square
#A0501B #28A01B #1B6BA0 #931BA0
split-complementary
#A0501B #1BA093 #1B28A0
monochromatic
#371C09 #6C3612 #A0501B #D46A24 #E28C53
Accessibility & contrast
On white
5.74
#A0501B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#A0501B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A0501B
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A0501B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A0501B | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#675B13
Deuteranopia (green-blind)
#7A6D19
Tritanopia (blue-blind)
#B03E46
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #a0501b; /* rgb */ color: rgb(160, 80, 27); /* oklch */ color: oklch(52.1% 0.123 49.7);
Tailwind
colors: {
custom: {
50: '#c3825c',
500: '#a0501b',
950: '#000000',
},
}SCSS
$custom: #a0501b; $custom-light: #c3825c; $custom-dark: #000000;
JSON
{
"hex": "#a0501b",
"rgb": {
"r": 160,
"g": 80,
"b": 27
},
"hsl": {
"h": 23.91,
"s": 71.123,
"l": 36.667
},
"oklch": {
"l": 0.52138,
"c": 0.12347,
"h": 49.7
},
"luminance": 0.1329
}Semantic roles & 50–950 ramp
primary
#A0501B
secondary
#5297C5
accent
#A6EE3A
background
#FCF8F5
surface
#F9EFE9
border
#D2CAC5
text
#140A04
muted
#827C79