#A33520#A33520
#A33520 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.149 H 32.9°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).
Color values
| HEX | #A33520 |
|---|---|
| RGB | rgb(163, 53, 32) |
| HSL | hsl(10, 67%, 38%) |
| HSV | hsv(10, 80%, 64%) |
| CMYK | cmyk(0%, 67.5%, 80.4%, 36.1%) |
| CIE-LAB | lab(38.62, 44.28, 37.29) |
| CIE-LCH | lch(38.62, 57.89, 40.10°) |
| OKLab | oklab(48.77% 0.1252 0.081) |
| OKLCH | oklch(48.77% 0.149 32.9) |
| XYZ | xyz(16.6400, 10.4395, 2.5051) |
| Luminance | 0.1044 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 0.90
Brownish Red
#9E3623
ΔE00 1.21
Rusty Red
#AF2F0D
ΔE00 3.93
Rust Red
#AA2704
ΔE00 4.23
Burnt Red
#9F2305
ΔE00 4.33
Firebrick
#B22222
ΔE00 4.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33520 #208EA3
analogous
#A3204D #A33520 #A37620
triadic
#A33520 #20A335 #3520A3
tetradic
#A33520 #4DA320 #208EA3 #7620A3
square
#A33520 #4DA320 #208EA3 #7620A3
split-complementary
#A33520 #20A376 #204DA3
monochromatic
#3D140C #702416 #A33520 #D5462B #DF735E
Accessibility & contrast
On white
6.80
#A33520 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.09
#A33520 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33520
6.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33520 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33520 | 1.00 | 6.80 | 3.09 | 6.80 |
| #FFFFFF | 6.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#554C1D
Deuteranopia (green-blind)
#70641B
Tritanopia (blue-blind)
#B41331
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #a33520; /* rgb */ color: rgb(163, 53, 32); /* oklch */ color: oklch(48.8% 0.149 32.9);
Tailwind
colors: {
custom: {
50: '#c6725d',
500: '#a33520',
950: '#000000',
},
}SCSS
$custom: #a33520; $custom-light: #c6725d; $custom-dark: #000000;
JSON
{
"hex": "#a33520",
"rgb": {
"r": 163,
"g": 53,
"b": 32
},
"hsl": {
"h": 9.618,
"s": 67.179,
"l": 38.235
},
"oklch": {
"l": 0.48774,
"c": 0.14912,
"h": 32.9
},
"luminance": 0.10437
}Semantic roles & 50–950 ramp
primary
#A33520
secondary
#5BB3C4
accent
#CEEA3E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150804
muted
#837B79