#331E1B#331E1B
#331E1B is a dark, muted red. Relative luminance 0.017; OKLCH L 26.1% C 0.034 H 28.5°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).
Color values
| HEX | #331E1B |
|---|---|
| RGB | rgb(51, 30, 27) |
| HSL | hsl(8, 31%, 15%) |
| HSV | hsv(8, 47%, 20%) |
| CMYK | cmyk(0%, 41.2%, 47.1%, 80%) |
| CIE-LAB | lab(13.89, 9.81, 6.30) |
| CIE-LCH | lch(13.89, 11.66, 32.71°) |
| OKLab | oklab(26.14% 0.0296 0.0161) |
| OKLCH | oklch(26.14% 0.034 28.5) |
| XYZ | xyz(2.0274, 1.7116, 1.2603) |
| Luminance | 0.0171 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Very Dark Brown
#1D0200
ΔE00 7.05
Dark Brown
#341C02
ΔE00 9.15
Chocolate (survey)
#3D1C02
ΔE00 9.46
Chocolate Brown
#411900
ΔE00 10.01
Espresso
#4B382A
ΔE00 10.24
Deep Brown
#410200
ΔE00 11.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#331E1B #1B3033
analogous
#331B24 #331E1B #332A1B
triadic
#331E1B #1B331E #1E1B33
tetradic
#331E1B #24331B #1B3033 #2A1B33
square
#331E1B #24331B #1B3033 #2A1B33
split-complementary
#331E1B #1B332A #1B2433
monochromatic
#140C0B #140C0B #331E1B #5B3630 #834D45
Accessibility & contrast
On white
15.65
#331E1B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.34
#331E1B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #331E1B
15.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##331E1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##331E1B | 1.00 | 15.65 | 1.34 | 15.65 |
| #FFFFFF | 15.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#23211B
Deuteranopia (green-blind)
#28251B
Tritanopia (blue-blind)
#371B1D
Achromatopsia (no color)
#232323
Design tokens & code
CSS
--color: #331e1b; /* rgb */ color: rgb(51, 30, 27); /* oklch */ color: oklch(26.1% 0.034 28.5);
Tailwind
colors: {
custom: {
50: '#6c5a57',
500: '#331e1b',
950: '#000000',
},
}SCSS
$custom: #331e1b; $custom-light: #6c5a57; $custom-dark: #000000;
JSON
{
"hex": "#331e1b",
"rgb": {
"r": 51,
"g": 30,
"b": 27
},
"hsl": {
"h": 7.5,
"s": 30.769,
"l": 15.294
},
"oklch": {
"l": 0.26143,
"c": 0.03372,
"h": 28.5
},
"luminance": 0.01711
}Semantic roles & 50–950 ramp
primary
#331E1B
secondary
#436367
accent
#BAC761
background
#F6F5F5
surface
#EBE9E9
border
#C6C5C5
text
#070303
muted
#7A7878