#811818#811818
#811818 is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.5% C 0.140 H 26.5°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).
Color values
| HEX | #811818 |
|---|---|
| RGB | rgb(129, 24, 24) |
| HSL | hsl(0, 69%, 30%) |
| HSV | hsv(0, 81%, 51%) |
| CMYK | cmyk(0%, 81.4%, 81.4%, 49.4%) |
| CIE-LAB | lab(27.81, 43.57, 28.67) |
| CIE-LCH | lch(27.81, 52.15, 33.35°) |
| OKLab | oklab(39.45% 0.1253 0.0625) |
| OKLCH | oklch(39.45% 0.14 26.5) |
| XYZ | xyz(9.5459, 5.3879, 1.4013) |
| Luminance | 0.0539 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 2.97
Blood
#770001
ΔE00 4.30
Maroon
#800000
ΔE00 4.33
Indian Red
#850E04
ΔE00 4.46
Dark Red
#840000
ΔE00 4.50
Reddy Brown
#6E1005
ΔE00 4.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#811818 #188181
analogous
#81184D #811818 #814C18
triadic
#811818 #188118 #181881
tetradic
#811818 #4D8118 #188181 #4C1881
square
#811818 #4D8118 #188181 #4C1881
split-complementary
#811818 #18814D #184C81
monochromatic
#1A0505 #4D0E0E #811818 #B52222 #DA3939
Accessibility & contrast
On white
10.11
#811818 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.08
#811818 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #811818
10.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##811818 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##811818 | 1.00 | 10.11 | 2.08 | 10.11 |
| #FFFFFF | 10.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#393317
Deuteranopia (green-blind)
#534A13
Tritanopia (blue-blind)
#8F001A
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #811818; /* rgb */ color: rgb(129, 24, 24); /* oklch */ color: oklch(39.5% 0.140 26.5);
Tailwind
colors: {
custom: {
50: '#ae6055',
500: '#811818',
950: '#000000',
},
}SCSS
$custom: #811818; $custom-light: #ae6055; $custom-dark: #000000;
JSON
{
"hex": "#811818",
"rgb": {
"r": 129,
"g": 24,
"b": 24
},
"hsl": {
"h": 0,
"s": 68.627,
"l": 30
},
"oklch": {
"l": 0.39453,
"c": 0.14,
"h": 26.5
},
"luminance": 0.05386
}Semantic roles & 50–950 ramp
primary
#811818
secondary
#40B5B5
accent
#EBEB3C
background
#FBF5F5
surface
#F6EAE8
border
#D0C6C4
text
#120503
muted
#817978