#83311A#83311A
#83311A is a dark, moderate red. Relative luminance 0.071; OKLCH L 42.7% C 0.119 H 36.3°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).
Color values
| HEX | #83311A |
|---|---|
| RGB | rgb(131, 49, 26) |
| HSL | hsl(13, 67%, 31%) |
| HSV | hsv(13, 80%, 51%) |
| CMYK | cmyk(0%, 62.6%, 80.2%, 48.6%) |
| CIE-LAB | lab(32.03, 34.00, 31.99) |
| CIE-LCH | lch(32.03, 46.68, 43.25°) |
| OKLab | oklab(42.69% 0.0956 0.0702) |
| OKLCH | oklch(42.69% 0.119 36.3) |
| XYZ | xyz(10.6460, 7.0980, 1.7865) |
| Luminance | 0.0710 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Red Brown
#8B2E16
ΔE00 1.89
Reddish Brown
#7F2B0A
ΔE00 3.12
Brown Red
#922B05
ΔE00 4.70
Rust Brown
#8B3103
ΔE00 5.28
Chestnut
#742802
ΔE00 5.32
Brick Red
#8F1402
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#83311A #1A6C83
analogous
#831A37 #83311A #83651A
triadic
#83311A #1A8331 #311A83
tetradic
#83311A #37831A #1A6C83 #651A83
square
#83311A #37831A #1A6C83 #651A83
split-complementary
#83311A #1A8365 #1A3783
monochromatic
#1D0B06 #501E10 #83311A #B64424 #D9603F
Accessibility & contrast
On white
8.68
#83311A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#83311A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #83311A
8.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##83311A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##83311A | 1.00 | 8.68 | 2.42 | 8.68 |
| #FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#484017
Deuteranopia (green-blind)
#5C5217
Tritanopia (blue-blind)
#901D2C
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #83311a; /* rgb */ color: rgb(131, 49, 26); /* oklch */ color: oklch(42.7% 0.119 36.3);
Tailwind
colors: {
custom: {
50: '#ae6c58',
500: '#83311a',
950: '#000000',
},
}SCSS
$custom: #83311a; $custom-light: #ae6c58; $custom-dark: #000000;
JSON
{
"hex": "#83311a",
"rgb": {
"r": 131,
"g": 49,
"b": 26
},
"hsl": {
"h": 13.143,
"s": 66.879,
"l": 30.784
},
"oklch": {
"l": 0.42692,
"c": 0.1186,
"h": 36.3
},
"luminance": 0.07097
}Semantic roles & 50–950 ramp
primary
#83311A
secondary
#429DB7
accent
#C4EA3E
background
#FBF6F5
surface
#F6ECE9
border
#D0C7C5
text
#120703
muted
#817A78