#A1331B#A1331B
#A1331B is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.1% C 0.150 H 33.8°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #A1331B |
|---|---|
| RGB | rgb(161, 51, 27) |
| HSL | hsl(11, 71%, 37%) |
| HSV | hsv(11, 83%, 63%) |
| CMYK | cmyk(0%, 68.3%, 83.2%, 36.9%) |
| CIE-LAB | lab(37.89, 44.26, 39.06) |
| CIE-LCH | lch(37.89, 59.04, 41.43°) |
| OKLab | oklab(48.14% 0.1245 0.0833) |
| OKLCH | oklch(48.14% 0.15 33.8) |
| XYZ | xyz(16.0815, 10.0263, 2.1252) |
| Luminance | 0.1002 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 1.69
Brownish Red
#9E3623
ΔE00 1.78
Burnt Red
#9F2305
ΔE00 3.36
Rust Red
#AA2704
ΔE00 3.45
Rusty Red
#AF2F0D
ΔE00 3.49
Red Brown
#8B2E16
ΔE00 4.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A1331B #1B89A1
analogous
#A11B46 #A1331B #A1761B
triadic
#A1331B #1BA133 #331BA1
tetradic
#A1331B #46A11B #1B89A1 #761BA1
square
#A1331B #46A11B #1B89A1 #761BA1
split-complementary
#A1331B #1BA176 #1B46A1
monochromatic
#381209 #6D2212 #A1331B #D54424 #E26E54
Accessibility & contrast
On white
6.99
#A1331B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#A1331B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A1331B
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A1331B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A1331B | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#534A17
Deuteranopia (green-blind)
#6E6216
Tritanopia (blue-blind)
#B20E2F
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #a1331b; /* rgb */ color: rgb(161, 51, 27); /* oklch */ color: oklch(48.1% 0.150 33.8);
Tailwind
colors: {
custom: {
50: '#c5715a',
500: '#a1331b',
950: '#000000',
},
}SCSS
$custom: #a1331b; $custom-light: #c5715a; $custom-dark: #000000;
JSON
{
"hex": "#a1331b",
"rgb": {
"r": 161,
"g": 51,
"b": 27
},
"hsl": {
"h": 10.746,
"s": 71.277,
"l": 36.863
},
"oklch": {
"l": 0.48143,
"c": 0.14978,
"h": 33.8
},
"luminance": 0.10024
}Semantic roles & 50–950 ramp
primary
#A1331B
secondary
#52B1C5
accent
#CEEE3A
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150804
muted
#837B79