#A33D25#A33D25
#A33D25 is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.8% C 0.140 H 34.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).
Color values
| HEX | #A33D25 |
|---|---|
| RGB | rgb(163, 61, 37) |
| HSL | hsl(11, 63%, 39%) |
| HSV | hsv(11, 77%, 64%) |
| CMYK | cmyk(0%, 62.6%, 77.3%, 36.1%) |
| CIE-LAB | lab(40.02, 40.87, 36.02) |
| CIE-LCH | lch(40.02, 54.48, 41.39°) |
| OKLab | oklab(49.84% 0.1156 0.0797) |
| OKLCH | oklch(49.84% 0.14 34.6) |
| XYZ | xyz(17.1088, 11.2600, 3.0224) |
| Luminance | 0.1126 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 2.00
Brownish Red
#9E3623
ΔE00 2.20
Rusty Red
#AF2F0D
ΔE00 4.20
Rust Red
#AA2704
ΔE00 4.98
Burnt Red
#9F2305
ΔE00 5.50
Rust (survey)
#A83C09
ΔE00 5.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A33D25 #258BA3
analogous
#A3254C #A33D25 #A37C25
triadic
#A33D25 #25A33D #3D25A3
tetradic
#A33D25 #4CA325 #258BA3 #7C25A3
square
#A33D25 #4CA325 #258BA3 #7C25A3
split-complementary
#A33D25 #25A37C #254CA3
monochromatic
#3F180E #712A1A #A33D25 #D15234 #DC7D66
Accessibility & contrast
On white
6.46
#A33D25 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.25
#A33D25 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A33D25
6.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A33D25 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A33D25 | 1.00 | 6.46 | 3.25 | 6.46 |
| #FFFFFF | 6.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A5022
Deuteranopia (green-blind)
#736721
Tritanopia (blue-blind)
#B32438
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #a33d25; /* rgb */ color: rgb(163, 61, 37); /* oklch */ color: oklch(49.8% 0.140 34.6);
Tailwind
colors: {
custom: {
50: '#c67761',
500: '#a33d25',
950: '#000000',
},
}SCSS
$custom: #a33d25; $custom-light: #c67761; $custom-dark: #000000;
JSON
{
"hex": "#a33d25",
"rgb": {
"r": 163,
"g": 61,
"b": 37
},
"hsl": {
"h": 11.429,
"s": 63,
"l": 39.216
},
"oklch": {
"l": 0.4984,
"c": 0.14041,
"h": 34.6
},
"luminance": 0.11258
}Semantic roles & 50–950 ramp
primary
#A33D25
secondary
#62B0C2
accent
#C7E642
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140905
muted
#837B79