#831730#831730
#831730 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.142 H 14.1°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).
Color values
| HEX | #831730 |
|---|---|
| RGB | rgb(131, 23, 48) |
| HSL | hsl(346, 70%, 30%) |
| HSV | hsv(346, 82%, 51%) |
| CMYK | cmyk(0%, 82.4%, 63.4%, 48.6%) |
| CIE-LAB | lab(28.52, 45.72, 14.09) |
| CIE-LCH | lch(28.52, 47.84, 17.13°) |
| OKLab | oklab(40.18% 0.1374 0.0344) |
| OKLCH | oklch(40.18% 0.142 14.1) |
| XYZ | xyz(10.2010, 5.6530, 3.3497) |
| Luminance | 0.0565 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Red Wine
#8C0034
ΔE00 2.84
Bordeaux
#7B002C
ΔE00 3.21
Wine Red
#7B0323
ΔE00 3.33
Burgundy
#800020
ΔE00 4.19
Cranberry
#9E003A
ΔE00 5.19
Wine
#722F37
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#831730 #17836A
analogous
#831766 #831730 #833417
triadic
#831730 #308317 #173083
tetradic
#831730 #668317 #17836A #341783
square
#831730 #668317 #17836A #341783
split-complementary
#831730 #178334 #176683
monochromatic
#1B050A #4F0E1D #831730 #B72043 #DC385E
Accessibility & contrast
On white
9.86
#831730 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.13
#831730 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #831730
9.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##831730 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##831730 | 1.00 | 9.86 | 2.13 | 9.86 |
| #FFFFFF | 9.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#363530
Deuteranopia (green-blind)
#524B2D
Tritanopia (blue-blind)
#900022
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #831730; /* rgb */ color: rgb(131, 23, 48); /* oklch */ color: oklch(40.2% 0.142 14.1);
Tailwind
colors: {
custom: {
50: '#ae6068',
500: '#831730',
950: '#000000',
},
}SCSS
$custom: #831730; $custom-light: #ae6068; $custom-dark: #000000;
JSON
{
"hex": "#831730",
"rgb": {
"r": 131,
"g": 23,
"b": 48
},
"hsl": {
"h": 346.111,
"s": 70.13,
"l": 30.196
},
"oklch": {
"l": 0.40178,
"c": 0.14163,
"h": 14.1
},
"luminance": 0.05651
}Semantic roles & 50–950 ramp
primary
#831730
secondary
#3FB79B
accent
#EDC43B
background
#FBF6F6
surface
#F6EBEB
border
#D0C6C6
text
#110506
muted
#807A7A