#3B0803#3B0803
#3B0803 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.080 H 31.4°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).
Color values
| HEX | #3B0803 |
|---|---|
| RGB | rgb(59, 8, 3) |
| HSL | hsl(5, 90%, 12%) |
| HSV | hsv(5, 95%, 23%) |
| CMYK | cmyk(0%, 86.4%, 94.9%, 76.9%) |
| CIE-LAB | lab(9.88, 24.32, 14.17) |
| CIE-LCH | lch(9.88, 28.15, 30.23°) |
| OKLab | oklab(23.24% 0.0685 0.0418) |
| OKLCH | oklch(23.24% 0.08 31.4) |
| XYZ | xyz(1.9071, 1.1104, 0.2000) |
| Luminance | 0.0111 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Deep Brown
#410200
ΔE00 2.27
Dark Maroon
#3C0008
ΔE00 3.95
Mahogany
#4A0100
ΔE00 4.27
Dried Blood
#4B0101
ΔE00 4.43
Chocolate Brown
#411900
ΔE00 8.48
Rosewood
#65000B
ΔE00 9.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B0803 #03363B
analogous
#3B031A #3B0803 #3B2403
triadic
#3B0803 #033B08 #08033B
tetradic
#3B0803 #1A3B03 #03363B #24033B
square
#3B0803 #1A3B03 #03363B #24033B
split-complementary
#3B0803 #033B24 #031A3B
monochromatic
#1D0401 #1D0401 #3B0803 #751006 #AF1809
Accessibility & contrast
On white
17.18
#3B0803 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.22
#3B0803 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B0803
17.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B0803 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B0803 | 1.00 | 17.18 | 1.22 | 17.18 |
| #FFFFFF | 17.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#181402
Deuteranopia (green-blind)
#241F02
Tritanopia (blue-blind)
#420007
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #3b0803; /* rgb */ color: rgb(59, 8, 3); /* oklch */ color: oklch(23.2% 0.080 31.4);
Tailwind
colors: {
custom: {
50: '#764c48',
500: '#3b0803',
950: '#000000',
},
}SCSS
$custom: #3b0803; $custom-light: #764c48; $custom-dark: #000000;
JSON
{
"hex": "#3b0803",
"rgb": {
"r": 59,
"g": 8,
"b": 3
},
"hsl": {
"h": 5.357,
"s": 90.323,
"l": 12.157
},
"oklch": {
"l": 0.23242,
"c": 0.08026,
"h": 31.4
},
"luminance": 0.0111
}Semantic roles & 50–950 ramp
primary
#3B0803
secondary
#1C757E
accent
#ECFF29
background
#F7F4F4
surface
#EEE7E6
border
#C9C3C2
text
#090100
muted
#7B7777