#8B231B#8B231B
#8B231B is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.4% C 0.141 H 28.9°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).
Color values
| HEX | #8B231B |
|---|---|
| RGB | rgb(139, 35, 27) |
| HSL | hsl(4, 67%, 33%) |
| HSV | hsv(4, 81%, 55%) |
| CMYK | cmyk(0%, 74.8%, 80.6%, 45.5%) |
| CIE-LAB | lab(31.28, 43.12, 31.13) |
| CIE-LCH | lch(31.28, 53.19, 35.83°) |
| OKLab | oklab(42.42% 0.1233 0.068) |
| OKLCH | oklch(42.42% 0.141 28.9) |
| XYZ | xyz(11.4477, 6.7719, 1.7410) |
| Luminance | 0.0677 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 3.50
Carmine
#9D0216
ΔE00 4.11
Indian Red
#850E04
ΔE00 4.20
Red Brown
#8B2E16
ΔE00 4.30
Darkred
#8B0000
ΔE00 4.63
Brick Red
#8F1402
ΔE00 4.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#8B231B #1B838B
analogous
#8B1B4B #8B231B #8B5B1B
triadic
#8B231B #1B8B23 #231B8B
tetradic
#8B231B #4B8B1B #1B838B #5B1B8B
square
#8B231B #4B8B1B #1B838B #5B1B8B
split-complementary
#8B231B #1B8B5B #1B4B8B
monochromatic
#250907 #581611 #8B231B #BE3025 #DB5045
Accessibility & contrast
On white
8.92
#8B231B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#8B231B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #8B231B
8.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##8B231B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##8B231B | 1.00 | 8.92 | 2.35 | 8.92 |
| #FFFFFF | 8.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#423B19
Deuteranopia (green-blind)
#5C5216
Tritanopia (blue-blind)
#9A0022
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #8b231b; /* rgb */ color: rgb(139, 35, 27); /* oklch */ color: oklch(42.4% 0.141 28.9);
Tailwind
colors: {
custom: {
50: '#b56658',
500: '#8b231b',
950: '#000000',
},
}SCSS
$custom: #8b231b; $custom-light: #b56658; $custom-dark: #000000;
JSON
{
"hex": "#8b231b",
"rgb": {
"r": 139,
"g": 35,
"b": 27
},
"hsl": {
"h": 4.286,
"s": 67.47,
"l": 32.549
},
"oklch": {
"l": 0.42417,
"c": 0.1408,
"h": 28.9
},
"luminance": 0.0677
}Semantic roles & 50–950 ramp
primary
#8B231B
secondary
#45B4BC
accent
#DEEA3D
background
#FCF6F5
surface
#F8EBE9
border
#D1C6C5
text
#130603
muted
#827A78