#8B1D1F#8B1D1F
#8B1D1F is a dark, vivid red. Relative luminance 0.065; OKLCH L 41.9% C 0.145 H 25.4°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).
Color values
| HEX | #8B1D1F |
|---|---|
| RGB | rgb(139, 29, 31) |
| HSL | hsl(359, 65%, 33%) |
| HSV | hsv(359, 79%, 55%) |
| CMYK | cmyk(0%, 79.1%, 77.7%, 45.5%) |
| CIE-LAB | lab(30.56, 45.40, 27.98) |
| CIE-LCH | lch(30.56, 53.33, 31.64°) |
| OKLab | oklab(41.9% 0.1314 0.0623) |
| OKLCH | oklch(41.9% 0.145 25.4) |
| XYZ | xyz(11.3355, 6.4684, 1.9477) |
| Luminance | 0.0647 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 3.44
Carmine
#9D0216
ΔE00 3.98
Indian Red
#850E04
ΔE00 5.68
Burgundy
#800020
ΔE00 5.75
Brown
#A52A2A
ΔE00 5.83
Dark Red
#840000
ΔE00 5.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#8B1D1F #1D8B89
analogous
#8B1D56 #8B1D1F #8B521D
triadic
#8B1D1F #1F8B1D #1D1F8B
tetradic
#8B1D1F #568B1D #1D8B89 #521D8B
square
#8B1D1F #568B1D #1D8B89 #521D8B
split-complementary
#8B1D1F #1D8B52 #1D568B
monochromatic
#260808 #581214 #8B1D1F #BE282A #D9494C
Accessibility & contrast
On white
9.16
#8B1D1F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#8B1D1F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #8B1D1F
9.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##8B1D1F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##8B1D1F | 1.00 | 9.16 | 2.29 | 9.16 |
| #FFFFFF | 9.16 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.16 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F391E
Deuteranopia (green-blind)
#5A501B
Tritanopia (blue-blind)
#99001F
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #8b1d1f; /* rgb */ color: rgb(139, 29, 31); /* oklch */ color: oklch(41.9% 0.145 25.4);
Tailwind
colors: {
custom: {
50: '#b5645b',
500: '#8b1d1f',
950: '#000000',
},
}SCSS
$custom: #8b1d1f; $custom-light: #b5645b; $custom-dark: #000000;
JSON
{
"hex": "#8b1d1f",
"rgb": {
"r": 139,
"g": 29,
"b": 31
},
"hsl": {
"h": 358.909,
"s": 65.476,
"l": 32.941
},
"oklch": {
"l": 0.41898,
"c": 0.14539,
"h": 25.4
},
"luminance": 0.06467
}Semantic roles & 50–950 ramp
primary
#8B1D1F
secondary
#49BBB9
accent
#E8E53F
background
#FCF6F5
surface
#F8EBE9
border
#D1C6C5
text
#130604
muted
#827A79