#811018#811018
#811018 is a dark, vivid red. Relative luminance 0.051; OKLCH L 38.9% C 0.146 H 24.7°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).
Color values
| HEX | #811018 |
|---|---|
| RGB | rgb(129, 16, 24) |
| HSL | hsl(356, 78%, 28%) |
| HSV | hsv(356, 88%, 51%) |
| CMYK | cmyk(0%, 87.6%, 81.4%, 49.4%) |
| CIE-LAB | lab(27.03, 45.78, 27.86) |
| CIE-LCH | lch(27.03, 53.59, 31.32°) |
| OKLab | oklab(38.88% 0.1323 0.0607) |
| OKLCH | oklch(38.88% 0.146 24.7) |
| XYZ | xyz(9.4046, 5.1052, 1.3542) |
| Luminance | 0.0510 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 3.23
Burgundy
#800020
ΔE00 4.42
Blood
#770001
ΔE00 4.60
Maroon
#800000
ΔE00 4.91
Dark Red
#840000
ΔE00 5.16
Indian Red
#850E04
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#811018 #108179
analogous
#811050 #811018 #814010
triadic
#811018 #188110 #101881
tetradic
#811018 #508110 #108179 #401081
square
#811018 #508110 #108179 #401081
split-complementary
#811018 #108140 #105081
monochromatic
#1B0305 #4B090E #811018 #B71722 #E42735
Accessibility & contrast
On white
10.39
#811018 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.02
#811018 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #811018
10.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##811018 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##811018 | 1.00 | 10.39 | 2.02 | 10.39 |
| #FFFFFF | 10.39 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.39 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#363017
Deuteranopia (green-blind)
#514813
Tritanopia (blue-blind)
#8F0015
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #811018; /* rgb */ color: rgb(129, 16, 24); /* oklch */ color: oklch(38.9% 0.146 24.7);
Tailwind
colors: {
custom: {
50: '#ae5d55',
500: '#811018',
950: '#000000',
},
}SCSS
$custom: #811018; $custom-light: #ae5d55; $custom-dark: #000000;
JSON
{
"hex": "#811018",
"rgb": {
"r": 129,
"g": 16,
"b": 24
},
"hsl": {
"h": 355.752,
"s": 77.931,
"l": 28.431
},
"oklch": {
"l": 0.38875,
"c": 0.14553,
"h": 24.7
},
"luminance": 0.05104
}Semantic roles & 50–950 ramp
primary
#811018
secondary
#36B7AE
accent
#F4E733
background
#FBF5F4
surface
#F6EAE8
border
#D0C6C4
text
#120503
muted
#817978