#531819#531819
#531819 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.5% C 0.088 H 23.0°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).
Color values
| HEX | #531819 |
|---|---|
| RGB | rgb(83, 24, 25) |
| HSL | hsl(359, 55%, 21%) |
| HSV | hsv(359, 71%, 33%) |
| CMYK | cmyk(0%, 71.1%, 69.9%, 67.5%) |
| CIE-LAB | lab(18.20, 27.50, 14.46) |
| CIE-LCH | lch(18.20, 31.07, 27.73°) |
| OKLab | oklab(30.54% 0.081 0.0344) |
| OKLCH | oklch(30.54% 0.088 23) |
| XYZ | xyz(4.0698, 2.5630, 1.1999) |
| Luminance | 0.0256 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dried Blood
#4B0101
ΔE00 4.73
Mahogany
#4A0100
ΔE00 4.83
Deep Brown
#410200
ΔE00 5.26
Claret
#680018
ΔE00 5.92
Rosewood
#65000B
ΔE00 6.32
Dark Maroon
#3C0008
ΔE00 6.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#531819 #185352
analogous
#531836 #531819 #533418
triadic
#531819 #195318 #181953
tetradic
#531819 #365318 #185352 #341853
square
#531819 #365318 #185352 #341853
split-complementary
#531819 #185334 #183653
monochromatic
#180707 #240A0B #531819 #822627 #B23336
Accessibility & contrast
On white
13.89
#531819 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.51
#531819 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #531819
13.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##531819 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##531819 | 1.00 | 13.89 | 1.51 | 13.89 |
| #FFFFFF | 13.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#282419
Deuteranopia (green-blind)
#363117
Tritanopia (blue-blind)
#5C0A19
Achromatopsia (no color)
#2C2C2C
Design tokens & code
CSS
--color: #531819; /* rgb */ color: rgb(83, 24, 25); /* oklch */ color: oklch(30.5% 0.088 23.0);
Tailwind
colors: {
custom: {
50: '#885955',
500: '#531819',
950: '#000000',
},
}SCSS
$custom: #531819; $custom-light: #885955; $custom-dark: #000000;
JSON
{
"hex": "#531819",
"rgb": {
"r": 83,
"g": 24,
"b": 25
},
"hsl": {
"h": 358.983,
"s": 55.14,
"l": 20.98
},
"oklch": {
"l": 0.30544,
"c": 0.08803,
"h": 23
},
"luminance": 0.02562
}Semantic roles & 50–950 ramp
primary
#531819
secondary
#3D8A88
accent
#DEDC49
background
#F8F5F4
surface
#F0E9E8
border
#CBC5C4
text
#0C0303
muted
#7D7878