#3B0F0B#3B0F0B
#3B0F0B is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.070 H 28.5°. Best body text is #FFFFFF at 16.68:1 contrast (WCAG AA passes).
Color values
| HEX | #3B0F0B |
|---|---|
| RGB | rgb(59, 15, 11) |
| HSL | hsl(5, 69%, 14%) |
| HSV | hsv(5, 81%, 23%) |
| CMYK | cmyk(0%, 74.6%, 81.4%, 76.9%) |
| CIE-LAB | lab(11.25, 21.40, 12.82) |
| CIE-LCH | lch(11.25, 24.94, 30.92°) |
| OKLab | oklab(24.31% 0.0619 0.0336) |
| OKLCH | oklch(24.31% 0.07 28.5) |
| XYZ | xyz(2.0351, 1.2959, 0.4595) |
| Luminance | 0.0130 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Deep Brown
#410200
ΔE00 3.83
Dark Maroon
#3C0008
ΔE00 4.95
Mahogany
#4A0100
ΔE00 5.46
Dried Blood
#4B0101
ΔE00 5.59
Chocolate Brown
#411900
ΔE00 7.74
Chocolate (survey)
#3D1C02
ΔE00 9.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B0F0B #0B373B
analogous
#3B0B1F #3B0F0B #3B270B
triadic
#3B0F0B #0B3B0F #0F0B3B
tetradic
#3B0F0B #1F3B0B #0B373B #270B3B
square
#3B0F0B #1F3B0B #0B373B #270B3B
split-complementary
#3B0F0B #0B3B27 #0B1F3B
monochromatic
#1A0705 #1A0705 #3B0F0B #6F1C15 #A2291E
Accessibility & contrast
On white
16.68
#3B0F0B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#3B0F0B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B0F0B
16.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B0F0B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B0F0B | 1.00 | 16.68 | 1.26 | 16.68 |
| #FFFFFF | 16.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B180A
Deuteranopia (green-blind)
#26220A
Tritanopia (blue-blind)
#42050E
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #3b0f0b; /* rgb */ color: rgb(59, 15, 11); /* oklch */ color: oklch(24.3% 0.070 28.5);
Tailwind
colors: {
custom: {
50: '#75504b',
500: '#3b0f0b',
950: '#000000',
},
}SCSS
$custom: #3b0f0b; $custom-light: #75504b; $custom-dark: #000000;
JSON
{
"hex": "#3b0f0b",
"rgb": {
"r": 59,
"g": 15,
"b": 11
},
"hsl": {
"h": 5,
"s": 68.571,
"l": 13.725
},
"oklch": {
"l": 0.24308,
"c": 0.0704,
"h": 28.5
},
"luminance": 0.01296
}Semantic roles & 50–950 ramp
primary
#3B0F0B
secondary
#2A7178
accent
#DDEB3C
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#090201
muted
#7B7877