#811011#811011
#811011 is a dark, vivid red. Relative luminance 0.051; OKLCH L 38.8% C 0.146 H 27.2°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).
Color values
| HEX | #811011 |
|---|---|
| RGB | rgb(129, 16, 17) |
| HSL | hsl(359, 78%, 28%) |
| HSV | hsv(359, 88%, 51%) |
| CMYK | cmyk(0%, 87.6%, 86.8%, 49.4%) |
| CIE-LAB | lab(26.96, 45.56, 31.92) |
| CIE-LCH | lch(26.96, 55.63, 35.02°) |
| OKLab | oklab(38.8% 0.1301 0.0669) |
| OKLCH | oklch(38.8% 0.146 27.2) |
| XYZ | xyz(9.3409, 5.0797, 1.0189) |
| Luminance | 0.0508 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 2.19
Maroon
#800000
ΔE00 2.81
Blood
#770001
ΔE00 3.01
Dark Red
#840000
ΔE00 3.02
Indian Red
#850E04
ΔE00 3.17
Darkred
#8B0000
ΔE00 3.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#811011 #108180
analogous
#811049 #811011 #814710
triadic
#811011 #118110 #101181
tetradic
#811011 #498110 #108180 #471081
square
#811011 #498110 #108180 #471081
split-complementary
#811011 #108147 #104981
monochromatic
#1B0304 #4B090A #811011 #B71718 #E42729
Accessibility & contrast
On white
10.42
#811011 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.02
#811011 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #811011
10.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##811011 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##811011 | 1.00 | 10.42 | 2.02 | 10.42 |
| #FFFFFF | 10.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#37300F
Deuteranopia (green-blind)
#52480A
Tritanopia (blue-blind)
#8F0013
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #811011; /* rgb */ color: rgb(129, 16, 17); /* oklch */ color: oklch(38.8% 0.146 27.2);
Tailwind
colors: {
custom: {
50: '#af5d50',
500: '#811011',
950: '#000000',
},
}SCSS
$custom: #811011; $custom-light: #af5d50; $custom-dark: #000000;
JSON
{
"hex": "#811011",
"rgb": {
"r": 129,
"g": 16,
"b": 17
},
"hsl": {
"h": 359.469,
"s": 77.931,
"l": 28.431
},
"oklch": {
"l": 0.38799,
"c": 0.14626,
"h": 27.2
},
"luminance": 0.05078
}Semantic roles & 50–950 ramp
primary
#811011
secondary
#36B7B6
accent
#F4F333
background
#FBF5F4
surface
#F7E9E7
border
#D0C5C3
text
#120502
muted
#817978