Darkred#8B0000
#8B0000 is a dark, vivid red. Relative luminance 0.055; OKLCH L 40.0% C 0.164 H 29.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).
Color values
| HEX | #8B0000 |
|---|---|
| RGB | rgb(139, 0, 0) |
| HSL | hsl(0, 100%, 27%) |
| HSV | hsv(0, 100%, 55%) |
| CMYK | cmyk(0%, 100%, 100%, 45.5%) |
| CIE-LAB | lab(28.09, 51.00, 41.29) |
| CIE-LCH | lch(28.09, 65.62, 38.99°) |
| OKLab | oklab(39.99% 0.1432 0.0801) |
| OKLCH | oklch(39.99% 0.164 29.2) |
| XYZ | xyz(10.6489, 5.4908, 0.4992) |
| Luminance | 0.0549 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Darkred
#8B0000
ΔE00 0.00
Indian Red
#850E04
ΔE00 1.34
Dark Red
#840000
ΔE00 1.42
Maroon
#800000
ΔE00 2.25
Brick Red
#8F1402
ΔE00 2.28
Blood Red
#980002
ΔE00 2.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#8B0000 #008B8B
analogous
#8B0046 #8B0000 #8B4600
triadic
#8B0000 #008B00 #00008B
tetradic
#8B0000 #468B00 #008B8B #46008B
square
#8B0000 #468B00 #008B8B #46008B
split-complementary
#8B0000 #008B46 #00468B
monochromatic
#1F0000 #4E0000 #8B0000 #C80000 #FF0606
Accessibility & contrast
On white
10.01
#8B0000 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#8B0000 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #8B0000
10.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##8B0000 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##8B0000 | 1.00 | 10.01 | 2.10 | 10.01 |
| #FFFFFF | 10.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#383000
Deuteranopia (green-blind)
#574C00
Tritanopia (blue-blind)
#9A0004
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #8b0000; /* rgb */ color: rgb(139, 0, 0); /* oklch */ color: oklch(40.0% 0.164 29.2);
Tailwind
colors: {
custom: {
50: '#b85b47',
500: '#8b0000',
950: '#000000',
},
}SCSS
$custom: #8b0000; $custom-light: #b85b47; $custom-dark: #000000;
JSON
{
"hex": "#8b0000",
"rgb": {
"r": 139,
"g": 0,
"b": 0
},
"hsl": {
"h": 0,
"s": 100,
"l": 27.255
},
"oklch": {
"l": 0.39986,
"c": 0.16408,
"h": 29.2
},
"luminance": 0.05489
}Semantic roles & 50–950 ramp
primary
#8B0000
secondary
#23C4C4
accent
#FFFF29
background
#FCF5F4
surface
#F9E9E6
border
#D2C5C2
text
#140500
muted
#827977