#A33228#A33228
#A33228 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.150 H 28.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).
Color values
| HEX | #A33228 |
|---|---|
| RGB | rgb(163, 50, 40) |
| HSL | hsl(5, 61%, 40%) |
| HSV | hsv(5, 75%, 64%) |
| CMYK | cmyk(0%, 69.3%, 75.5%, 36.1%) |
| CIE-LAB | lab(38.24, 45.86, 32.42) |
| CIE-LCH | lch(38.24, 56.16, 35.26°) |
| OKLab | oklab(48.52% 0.1318 0.0726) |
| OKLCH | oklch(48.52% 0.15 28.9) |
| XYZ | xyz(16.6297, 10.2234, 3.1047) |
| Luminance | 0.1022 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 2.37
Brick
#A03623
ΔE00 2.46
Brownish Red
#9E3623
ΔE00 2.54
Firebrick
#B22222
ΔE00 3.18
Scarlet
#BE0119
ΔE00 5.60
Darkish Red
#A90308
ΔE00 5.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33228 #2899A3
analogous
#A3285C #A33228 #A37028
triadic
#A33228 #28A332 #3228A3
tetradic
#A33228 #5CA328 #2899A3 #7028A3
square
#A33228 #5CA328 #2899A3 #7028A3
split-complementary
#A33228 #28A370 #285CA3
monochromatic
#411410 #72231C #A33228 #CF463A #DB746B
Accessibility & contrast
On white
6.90
#A33228 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.04
#A33228 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33228
6.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33228 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33228 | 1.00 | 6.90 | 3.04 | 6.90 |
| #FFFFFF | 6.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.04 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524A26
Deuteranopia (green-blind)
#6E6324
Tritanopia (blue-blind)
#B40D31
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #a33228; /* rgb */ color: rgb(163, 50, 40); /* oklch */ color: oklch(48.5% 0.150 28.9);
Tailwind
colors: {
custom: {
50: '#c67162',
500: '#a33228',
950: '#000000',
},
}SCSS
$custom: #a33228; $custom-light: #c67162; $custom-dark: #000000;
JSON
{
"hex": "#a33228",
"rgb": {
"r": 163,
"g": 50,
"b": 40
},
"hsl": {
"h": 4.878,
"s": 60.591,
"l": 39.804
},
"oklch": {
"l": 0.48517,
"c": 0.15046,
"h": 28.9
},
"luminance": 0.10221
}Semantic roles & 50–950 ramp
primary
#A33228
secondary
#66BAC1
accent
#D7E444
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140805
muted
#837B79