#81231A#81231A
#81231A is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.130 H 29.4°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).
Color values
| HEX | #81231A |
|---|---|
| RGB | rgb(129, 35, 26) |
| HSL | hsl(5, 66%, 30%) |
| HSV | hsv(5, 80%, 51%) |
| CMYK | cmyk(0%, 72.9%, 79.8%, 49.4%) |
| CIE-LAB | lab(29.27, 39.65, 29.01) |
| CIE-LCH | lch(29.27, 49.12, 36.19°) |
| OKLab | oklab(40.55% 0.1134 0.0639) |
| OKLCH | oklch(40.55% 0.13 29.4) |
| XYZ | xyz(9.8419, 5.9453, 1.6064) |
| Luminance | 0.0594 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 3.99
Indian Red
#850E04
ΔE00 4.11
Maroon
#800000
ΔE00 4.67
Dark Red
#840000
ΔE00 4.68
Red Brown
#8B2E16
ΔE00 4.84
Darkred
#8B0000
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#81231A #1A7881
analogous
#811A44 #81231A #81571A
triadic
#81231A #1A8123 #231A81
tetradic
#81231A #44811A #1A7881 #571A81
square
#81231A #44811A #1A7881 #571A81
split-complementary
#81231A #1A8157 #1A4481
monochromatic
#1B0705 #4E1510 #81231A #B43124 #D84B3D
Accessibility & contrast
On white
9.59
#81231A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.19
#81231A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #81231A
9.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##81231A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##81231A | 1.00 | 9.59 | 2.19 | 9.59 |
| #FFFFFF | 9.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F3818
Deuteranopia (green-blind)
#564D16
Tritanopia (blue-blind)
#8E0022
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #81231a; /* rgb */ color: rgb(129, 35, 26); /* oklch */ color: oklch(40.6% 0.130 29.4);
Tailwind
colors: {
custom: {
50: '#ad6557',
500: '#81231a',
950: '#000000',
},
}SCSS
$custom: #81231a; $custom-light: #ad6557; $custom-dark: #000000;
JSON
{
"hex": "#81231a",
"rgb": {
"r": 129,
"g": 35,
"b": 26
},
"hsl": {
"h": 5.243,
"s": 66.452,
"l": 30.392
},
"oklch": {
"l": 0.4055,
"c": 0.13014,
"h": 29.4
},
"luminance": 0.05944
}Semantic roles & 50–950 ramp
primary
#81231A
secondary
#42ABB5
accent
#DAE93E
background
#FBF6F5
surface
#F6EBE9
border
#D0C6C5
text
#120603
muted
#817A78