#331B0A#331B0A
#331B0A is a dark, muted orange. Relative luminance 0.015; OKLCH L 25.1% C 0.047 H 54.0°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).
Color values
| HEX | #331B0A |
|---|---|
| RGB | rgb(51, 27, 10) |
| HSL | hsl(25, 67%, 12%) |
| HSV | hsv(25, 80%, 20%) |
| CMYK | cmyk(0%, 47.1%, 80.4%, 80%) |
| CIE-LAB | lab(12.67, 9.99, 14.94) |
| CIE-LCH | lch(12.67, 17.97, 56.21°) |
| OKLab | oklab(25.09% 0.0276 0.038) |
| OKLCH | oklch(25.09% 0.047 54) |
| XYZ | xyz(1.8121, 1.5098, 0.4831) |
| Luminance | 0.0151 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Dark Brown
#341C02
ΔE00 2.82
Chocolate (survey)
#3D1C02
ΔE00 4.01
Chocolate Brown
#411900
ΔE00 5.80
Espresso
#4B382A
ΔE00 9.34
Very Dark Brown
#1D0200
ΔE00 10.04
Deep Brown
#410200
ΔE00 12.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#331B0A #0A2233
analogous
#330A0E #331B0A #33300A
triadic
#331B0A #0A331B #1B0A33
tetradic
#331B0A #0E330A #0A2233 #300A33
square
#331B0A #0E330A #0A2233 #300A33
split-complementary
#331B0A #0A3330 #0A0E33
monochromatic
#1A0E05 #1A0E05 #331B0A #663614 #99511E
Accessibility & contrast
On white
16.13
#331B0A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.30
#331B0A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #331B0A
16.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##331B0A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##331B0A | 1.00 | 16.13 | 1.30 | 16.13 |
| #FFFFFF | 16.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#221E08
Deuteranopia (green-blind)
#28230A
Tritanopia (blue-blind)
#381617
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #331b0a; /* rgb */ color: rgb(51, 27, 10); /* oklch */ color: oklch(25.1% 0.047 54.0);
Tailwind
colors: {
custom: {
50: '#6d574b',
500: '#331b0a',
950: '#000000',
},
}SCSS
$custom: #331b0a; $custom-light: #6d574b; $custom-dark: #000000;
JSON
{
"hex": "#331b0a",
"rgb": {
"r": 51,
"g": 27,
"b": 10
},
"hsl": {
"h": 24.878,
"s": 67.213,
"l": 11.961
},
"oklch": {
"l": 0.25086,
"c": 0.04693,
"h": 54
},
"luminance": 0.0151
}Semantic roles & 50–950 ramp
primary
#331B0A
secondary
#285370
accent
#A3EA3E
background
#F6F5F4
surface
#ECE9E7
border
#C7C5C3
text
#070301
muted
#7A7877