#5B271C#5B271C
#5B271C is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.4% C 0.079 H 33.4°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5B271C |
|---|---|
| RGB | rgb(91, 39, 28) |
| HSL | hsl(10, 53%, 23%) |
| HSV | hsv(10, 69%, 36%) |
| CMYK | cmyk(0%, 57.1%, 69.2%, 64.3%) |
| CIE-LAB | lab(22.86, 22.92, 18.55) |
| CIE-LCH | lch(22.86, 29.49, 39.00°) |
| OKLab | oklab(34.37% 0.0663 0.0437) |
| OKLCH | oklch(34.37% 0.079 33.4) |
| XYZ | xyz(5.2500, 3.7597, 1.5476) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Chocolate Brown
#411900
ΔE00 7.46
Reddy Brown
#6E1005
ΔE00 7.56
Rosewood
#65000B
ΔE00 8.01
Dried Blood
#4B0101
ΔE00 8.42
Mahogany
#4A0100
ΔE00 8.47
Chocolate (survey)
#3D1C02
ΔE00 9.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B271C #1C505B
analogous
#5B1C30 #5B271C #5B461C
triadic
#5B271C #1C5B27 #271C5B
tetradic
#5B271C #305B1C #1C505B #461C5B
square
#5B271C #305B1C #1C505B #461C5B
split-complementary
#5B271C #1C5B46 #1C305B
monochromatic
#170A07 #2C130E #5B271C #8A3B2A #B94F39
Accessibility & contrast
On white
11.99
#5B271C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#5B271C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #5B271C
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B271C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B271C | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#34301B
Deuteranopia (green-blind)
#413B1B
Tritanopia (blue-blind)
#641D24
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #5b271c; /* rgb */ color: rgb(91, 39, 28); /* oklch */ color: oklch(34.4% 0.079 33.4);
Tailwind
colors: {
custom: {
50: '#8e6358',
500: '#5b271c',
950: '#000000',
},
}SCSS
$custom: #5b271c; $custom-light: #8e6358; $custom-dark: #000000;
JSON
{
"hex": "#5b271c",
"rgb": {
"r": 91,
"g": 39,
"b": 28
},
"hsl": {
"h": 10.476,
"s": 52.941,
"l": 23.333
},
"oklch": {
"l": 0.34369,
"c": 0.07938,
"h": 33.4
},
"luminance": 0.03759
}Semantic roles & 50–950 ramp
primary
#5B271C
secondary
#428390
accent
#C3DC4B
background
#F9F5F5
surface
#F1EAE9
border
#CBC6C5
text
#0D0503
muted
#7E7978