#A33C25#A33C25
#A33C25 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.7% C 0.141 H 34.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).
Color values
| HEX | #A33C25 |
|---|---|
| RGB | rgb(163, 60, 37) |
| HSL | hsl(11, 63%, 39%) |
| HSV | hsv(11, 77%, 64%) |
| CMYK | cmyk(0%, 63.2%, 77.3%, 36.1%) |
| CIE-LAB | lab(39.84, 41.34, 35.84) |
| CIE-LCH | lch(39.84, 54.71, 40.92°) |
| OKLab | oklab(49.71% 0.1171 0.0793) |
| OKLCH | oklch(49.71% 0.141 34.1) |
| XYZ | xyz(17.0559, 11.1542, 3.0048) |
| Luminance | 0.1115 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 1.69
Brownish Red
#9E3623
ΔE00 1.92
Rusty Red
#AF2F0D
ΔE00 4.26
Rust Red
#AA2704
ΔE00 4.97
Burnt Red
#9F2305
ΔE00 5.42
Firebrick
#B22222
ΔE00 5.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33C25 #258CA3
analogous
#A3254D #A33C25 #A37B25
triadic
#A33C25 #25A33C #3C25A3
tetradic
#A33C25 #4DA325 #258CA3 #7B25A3
square
#A33C25 #4DA325 #258CA3 #7B25A3
split-complementary
#A33C25 #25A37B #254DA3
monochromatic
#3F170E #712A1A #A33C25 #D15134 #DC7C66
Accessibility & contrast
On white
6.50
#A33C25 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.23
#A33C25 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33C25
6.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33C25 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33C25 | 1.00 | 6.50 | 3.23 | 6.50 |
| #FFFFFF | 6.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595022
Deuteranopia (green-blind)
#726621
Tritanopia (blue-blind)
#B32237
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #a33c25; /* rgb */ color: rgb(163, 60, 37); /* oklch */ color: oklch(49.7% 0.141 34.1);
Tailwind
colors: {
custom: {
50: '#c67661',
500: '#a33c25',
950: '#000000',
},
}SCSS
$custom: #a33c25; $custom-light: #c67661; $custom-dark: #000000;
JSON
{
"hex": "#a33c25",
"rgb": {
"r": 163,
"g": 60,
"b": 37
},
"hsl": {
"h": 10.952,
"s": 63,
"l": 39.216
},
"oklch": {
"l": 0.49708,
"c": 0.14138,
"h": 34.1
},
"luminance": 0.11152
}Semantic roles & 50–950 ramp
primary
#A33C25
secondary
#62B0C2
accent
#C8E642
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140905
muted
#837B79