#A13A1B#A13A1B
#A13A1B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.0% C 0.143 H 36.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).
Color values
| HEX | #A13A1B |
|---|---|
| RGB | rgb(161, 58, 27) |
| HSL | hsl(14, 71%, 37%) |
| HSV | hsv(14, 83%, 63%) |
| CMYK | cmyk(0%, 64%, 83.2%, 36.9%) |
| CIE-LAB | lab(39.04, 41.16, 40.14) |
| CIE-LCH | lch(39.04, 57.49, 44.28°) |
| OKLab | oklab(49.01% 0.1149 0.0857) |
| OKLCH | oklch(49.01% 0.143 36.7) |
| XYZ | xyz(16.4107, 10.6847, 2.2349) |
| Luminance | 0.1068 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.21
Rusty Red
#AF2F0D
ΔE00 3.22
Brownish Red
#9E3623
ΔE00 3.28
Rust Red
#AA2704
ΔE00 3.66
Russet
#A13905
ΔE00 3.89
Rust (survey)
#A83C09
ΔE00 3.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A13A1B #1B82A1
analogous
#A11B3F #A13A1B #A17D1B
triadic
#A13A1B #1BA13A #3A1BA1
tetradic
#A13A1B #3FA11B #1B82A1 #7D1BA1
square
#A13A1B #3FA11B #1B82A1 #7D1BA1
split-complementary
#A13A1B #1BA17D #1B3FA1
monochromatic
#381409 #6D2712 #A13A1B #D54D24 #E27554
Accessibility & contrast
On white
6.70
#A13A1B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#A13A1B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A13A1B
6.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A13A1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A13A1B | 1.00 | 6.70 | 3.14 | 6.70 |
| #FFFFFF | 6.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#584D16
Deuteranopia (green-blind)
#716516
Tritanopia (blue-blind)
#B11E34
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a13a1b; /* rgb */ color: rgb(161, 58, 27); /* oklch */ color: oklch(49.0% 0.143 36.7);
Tailwind
colors: {
custom: {
50: '#c5755a',
500: '#a13a1b',
950: '#000000',
},
}SCSS
$custom: #a13a1b; $custom-light: #c5755a; $custom-dark: #000000;
JSON
{
"hex": "#a13a1b",
"rgb": {
"r": 161,
"g": 58,
"b": 27
},
"hsl": {
"h": 13.881,
"s": 71.277,
"l": 36.863
},
"oklch": {
"l": 0.49012,
"c": 0.14334,
"h": 36.7
},
"luminance": 0.10682
}Semantic roles & 50–950 ramp
primary
#A13A1B
secondary
#52ABC5
accent
#C4EE3A
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79