#831B33#831B33
#831B33 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.6% C 0.138 H 13.2°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).
Color values
| HEX | #831B33 |
|---|---|
| RGB | rgb(131, 27, 51) |
| HSL | hsl(346, 66%, 31%) |
| HSV | hsv(346, 79%, 51%) |
| CMYK | cmyk(0%, 79.4%, 61.1%, 48.6%) |
| CIE-LAB | lab(29.03, 44.67, 12.77) |
| CIE-LCH | lch(29.03, 46.46, 15.95°) |
| OKLab | oklab(40.58% 0.1346 0.0315) |
| OKLCH | oklch(40.58% 0.138 13.2) |
| XYZ | xyz(10.3506, 5.8497, 3.7154) |
| Luminance | 0.0585 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Red Wine
#8C0034
ΔE00 2.81
Bordeaux
#7B002C
ΔE00 3.40
Wine Red
#7B0323
ΔE00 4.07
Burgundy
#800020
ΔE00 4.99
Cranberry
#9E003A
ΔE00 5.10
Wine
#722F37
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#831B33 #1B836B
analogous
#831B67 #831B33 #83371B
triadic
#831B33 #33831B #1B3383
tetradic
#831B33 #67831B #1B836B #371B83
square
#831B33 #67831B #1B836B #371B83
split-complementary
#831B33 #1B8337 #1B6783
monochromatic
#1E060B #50111F #831B33 #B62547 #D84164
Accessibility & contrast
On white
9.68
#831B33 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.17
#831B33 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #831B33
9.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##831B33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##831B33 | 1.00 | 9.68 | 2.17 | 9.68 |
| #FFFFFF | 9.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#383733
Deuteranopia (green-blind)
#524C30
Tritanopia (blue-blind)
#900025
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #831b33; /* rgb */ color: rgb(131, 27, 51); /* oklch */ color: oklch(40.6% 0.138 13.2);
Tailwind
colors: {
custom: {
50: '#ad626a',
500: '#831b33',
950: '#000000',
},
}SCSS
$custom: #831b33; $custom-light: #ad626a; $custom-dark: #000000;
JSON
{
"hex": "#831b33",
"rgb": {
"r": 131,
"g": 27,
"b": 51
},
"hsl": {
"h": 346.154,
"s": 65.823,
"l": 30.98
},
"oklch": {
"l": 0.40577,
"c": 0.13825,
"h": 13.2
},
"luminance": 0.05848
}Semantic roles & 50–950 ramp
primary
#831B33
secondary
#43B69C
accent
#E9C23F
background
#FBF6F6
surface
#F6EBEB
border
#D0C6C6
text
#110606
muted
#807A7A