#A33722#A33722
#A33722 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.147 H 33.0°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).
Color values
| HEX | #A33722 |
|---|---|
| RGB | rgb(163, 55, 34) |
| HSL | hsl(10, 65%, 39%) |
| HSV | hsv(10, 79%, 64%) |
| CMYK | cmyk(0%, 66.3%, 79.1%, 36.1%) |
| CIE-LAB | lab(38.96, 43.48, 36.56) |
| CIE-LCH | lch(38.96, 56.81, 40.06°) |
| OKLab | oklab(49.04% 0.1231 0.08) |
| OKLCH | oklch(49.04% 0.147 33) |
| XYZ | xyz(16.7611, 10.6368, 2.6836) |
| Luminance | 0.1063 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 0.85
Brownish Red
#9E3623
ΔE00 1.19
Rusty Red
#AF2F0D
ΔE00 4.11
Rust Red
#AA2704
ΔE00 4.53
Burnt Red
#9F2305
ΔE00 4.72
Firebrick
#B22222
ΔE00 4.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33722 #228EA3
analogous
#A3224E #A33722 #A37722
triadic
#A33722 #22A337 #3722A3
tetradic
#A33722 #4EA322 #228EA3 #7722A3
square
#A33722 #4EA322 #228EA3 #7722A3
split-complementary
#A33722 #22A377 #224EA3
monochromatic
#3E150D #702617 #A33722 #D4492F #DE7661
Accessibility & contrast
On white
6.72
#A33722 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.13
#A33722 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33722
6.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33722 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33722 | 1.00 | 6.72 | 3.13 | 6.72 |
| #FFFFFF | 6.72 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.72 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#564D1F
Deuteranopia (green-blind)
#71651E
Tritanopia (blue-blind)
#B41833
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a33722; /* rgb */ color: rgb(163, 55, 34); /* oklch */ color: oklch(49.0% 0.147 33.0);
Tailwind
colors: {
custom: {
50: '#c6735f',
500: '#a33722',
950: '#000000',
},
}SCSS
$custom: #a33722; $custom-light: #c6735f; $custom-dark: #000000;
JSON
{
"hex": "#a33722",
"rgb": {
"r": 163,
"g": 55,
"b": 34
},
"hsl": {
"h": 9.767,
"s": 65.482,
"l": 38.627
},
"oklch": {
"l": 0.49038,
"c": 0.14684,
"h": 33
},
"luminance": 0.10634
}Semantic roles & 50–950 ramp
primary
#A33722
secondary
#5EB3C3
accent
#CDE83F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79