#A33A22#A33A22
#A33A22 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.144 H 34.3°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).
Color values
| HEX | #A33A22 |
|---|---|
| RGB | rgb(163, 58, 34) |
| HSL | hsl(11, 65%, 39%) |
| HSV | hsv(11, 79%, 64%) |
| CMYK | cmyk(0%, 64.4%, 79.1%, 36.1%) |
| CIE-LAB | lab(39.46, 42.14, 37.07) |
| CIE-LCH | lch(39.46, 56.12, 41.34°) |
| OKLab | oklab(49.42% 0.119 0.0811) |
| OKLCH | oklch(49.42% 0.144 34.3) |
| XYZ | xyz(16.9079, 10.9306, 2.7326) |
| Luminance | 0.1093 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 1.63
Brownish Red
#9E3623
ΔE00 1.85
Rusty Red
#AF2F0D
ΔE00 3.80
Rust Red
#AA2704
ΔE00 4.42
Burnt Red
#9F2305
ΔE00 4.86
Firebrick
#B22222
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33A22 #228BA3
analogous
#A3224A #A33A22 #A37A22
triadic
#A33A22 #22A33A #3A22A3
tetradic
#A33A22 #4AA322 #228BA3 #7A22A3
square
#A33A22 #4AA322 #228BA3 #7A22A3
split-complementary
#A33A22 #22A37A #224AA3
monochromatic
#3E160D #702817 #A33A22 #D44D2F #DE7961
Accessibility & contrast
On white
6.59
#A33A22 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.19
#A33A22 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33A22
6.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33A22 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33A22 | 1.00 | 6.59 | 3.19 | 6.59 |
| #FFFFFF | 6.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#584E1F
Deuteranopia (green-blind)
#72661E
Tritanopia (blue-blind)
#B41E35
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #a33a22; /* rgb */ color: rgb(163, 58, 34); /* oklch */ color: oklch(49.4% 0.144 34.3);
Tailwind
colors: {
custom: {
50: '#c6755f',
500: '#a33a22',
950: '#000000',
},
}SCSS
$custom: #a33a22; $custom-light: #c6755f; $custom-dark: #000000;
JSON
{
"hex": "#a33a22",
"rgb": {
"r": 163,
"g": 58,
"b": 34
},
"hsl": {
"h": 11.163,
"s": 65.482,
"l": 38.627
},
"oklch": {
"l": 0.49415,
"c": 0.14398,
"h": 34.3
},
"luminance": 0.10928
}Semantic roles & 50–950 ramp
primary
#A33A22
secondary
#5EB0C3
accent
#C9E83F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79