#811B15#811B15
#811B15 is a dark, vivid red. Relative luminance 0.055; OKLCH L 39.7% C 0.138 H 28.6°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).
Color values
| HEX | #811B15 |
|---|---|
| RGB | rgb(129, 27, 21) |
| HSL | hsl(3, 72%, 29%) |
| HSV | hsv(3, 84%, 51%) |
| CMYK | cmyk(0%, 79.1%, 83.7%, 49.4%) |
| CIE-LAB | lab(28.13, 42.48, 30.76) |
| CIE-LCH | lch(28.13, 52.45, 35.91°) |
| OKLab | oklab(39.68% 0.1212 0.066) |
| OKLCH | oklch(39.68% 0.138 28.6) |
| XYZ | xyz(9.5817, 5.5067, 1.2677) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 2.94
Indian Red
#850E04
ΔE00 3.25
Maroon
#800000
ΔE00 3.49
Dark Red
#840000
ΔE00 3.57
Blood
#770001
ΔE00 3.86
Darkred
#8B0000
ΔE00 4.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#811B15 #157B81
analogous
#811545 #811B15 #815115
triadic
#811B15 #15811B #1B1581
tetradic
#811B15 #458115 #157B81 #511581
square
#811B15 #458115 #157B81 #511581
split-complementary
#811B15 #158151 #154581
monochromatic
#1A0604 #4C100C #811B15 #B6261E #DE3C33
Accessibility & contrast
On white
10.00
#811B15 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#811B15 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #811B15
10.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##811B15 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##811B15 | 1.00 | 10.00 | 2.10 | 10.00 |
| #FFFFFF | 10.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B3413
Deuteranopia (green-blind)
#544A10
Tritanopia (blue-blind)
#8F001B
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #811b15; /* rgb */ color: rgb(129, 27, 21); /* oklch */ color: oklch(39.7% 0.138 28.6);
Tailwind
colors: {
custom: {
50: '#ae6153',
500: '#811b15',
950: '#000000',
},
}SCSS
$custom: #811b15; $custom-light: #ae6153; $custom-dark: #000000;
JSON
{
"hex": "#811b15",
"rgb": {
"r": 129,
"g": 27,
"b": 21
},
"hsl": {
"h": 3.333,
"s": 72,
"l": 29.412
},
"oklch": {
"l": 0.39681,
"c": 0.13801,
"h": 28.6
},
"luminance": 0.05505
}Semantic roles & 50–950 ramp
primary
#811B15
secondary
#3CAFB6
accent
#E5EF39
background
#FBF6F4
surface
#F6EBE7
border
#D0C6C3
text
#120502
muted
#817A78