#A11A1B#A11A1B
#A11A1B is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.170 H 26.9°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).
Color values
| HEX | #A11A1B |
|---|---|
| RGB | rgb(161, 26, 27) |
| HSL | hsl(360, 72%, 37%) |
| HSV | hsv(360, 84%, 63%) |
| CMYK | cmyk(0%, 83.9%, 83.2%, 36.9%) |
| CIE-LAB | lab(34.80, 52.84, 36.13) |
| CIE-LCH | lch(34.80, 64.01, 34.36°) |
| OKLab | oklab(45.84% 0.1512 0.0768) |
| OKLCH | oklch(45.84% 0.17 26.9) |
| XYZ | xyz(15.2671, 8.3975, 1.8537) |
| Luminance | 0.0839 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Carmine
#9D0216
ΔE00 2.19
Brown
#A52A2A
ΔE00 3.24
Darkish Red
#A90308
ΔE00 3.62
Firebrick
#B22222
ΔE00 3.76
Blood Red
#980002
ΔE00 4.55
Deep Red
#9A0200
ΔE00 4.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A11A1B #1AA1A0
analogous
#A11A5E #A11A1B #A15D1A
triadic
#A11A1B #1BA11A #1A1BA1
tetradic
#A11A1B #5EA11A #1AA1A0 #5D1AA1
square
#A11A1B #5EA11A #1AA1A0 #5D1AA1
split-complementary
#A11A1B #1AA15D #1A5EA1
monochromatic
#380909 #6C1112 #A11A1B #D62324 #E35253
Accessibility & contrast
On white
7.84
#A11A1B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#A11A1B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #A11A1B
7.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A11A1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A11A1B | 1.00 | 7.84 | 2.68 | 7.84 |
| #FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#473F19
Deuteranopia (green-blind)
#685C14
Tritanopia (blue-blind)
#B2001D
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #a11a1b; /* rgb */ color: rgb(161, 26, 27); /* oklch */ color: oklch(45.8% 0.170 26.9);
Tailwind
colors: {
custom: {
50: '#c66658',
500: '#a11a1b',
950: '#000000',
},
}SCSS
$custom: #a11a1b; $custom-light: #c66658; $custom-dark: #000000;
JSON
{
"hex": "#a11a1b",
"rgb": {
"r": 161,
"g": 26,
"b": 27
},
"hsl": {
"h": 359.556,
"s": 72.193,
"l": 36.667
},
"oklch": {
"l": 0.45835,
"c": 0.16963,
"h": 26.9
},
"luminance": 0.08395
}Semantic roles & 50–950 ramp
primary
#A11A1B
secondary
#51C6C5
accent
#EFEE39
background
#FDF6F5
surface
#FAEBE9
border
#D3C6C5
text
#150703
muted
#837A78