#AD3B20#AD3B20
#AD3B20 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.2% C 0.154 H 34.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #AD3B20 |
|---|---|
| RGB | rgb(173, 59, 32) |
| HSL | hsl(11, 69%, 40%) |
| HSV | hsv(11, 82%, 68%) |
| CMYK | cmyk(0%, 65.9%, 81.5%, 32.2%) |
| CIE-LAB | lab(41.41, 45.23, 40.64) |
| CIE-LCH | lch(41.41, 60.80, 41.94°) |
| OKLab | oklab(51.21% 0.1272 0.0874) |
| OKLCH | oklch(51.21% 0.154 34.5) |
| XYZ | xyz(19.0604, 12.1193, 2.7018) |
| Luminance | 0.1212 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 2.81
Brick
#A03623
ΔE00 3.54
Brownish Red
#9E3623
ΔE00 3.87
Rust Red
#AA2704
ΔE00 4.23
Rust (survey)
#A83C09
ΔE00 4.95
Rust
#B7410E
ΔE00 5.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD3B20 #2092AD
analogous
#AD204C #AD3B20 #AD8120
triadic
#AD3B20 #20AD3B #3B20AD
tetradic
#AD3B20 #4CAD20 #2092AD #8120AD
square
#AD3B20 #4CAD20 #2092AD #8120AD
split-complementary
#AD3B20 #20AD81 #204CAD
monochromatic
#46180D #792916 #AD3B20 #D95131 #E27D65
Accessibility & contrast
On white
6.13
#AD3B20 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#AD3B20 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD3B20
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD3B20 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD3B20 | 1.00 | 6.13 | 3.42 | 6.13 |
| #FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C521C
Deuteranopia (green-blind)
#786B1B
Tritanopia (blue-blind)
#BF1A36
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #ad3b20; /* rgb */ color: rgb(173, 59, 32); /* oklch */ color: oklch(51.2% 0.154 34.5);
Tailwind
colors: {
custom: {
50: '#ce775e',
500: '#ad3b20',
950: '#000000',
},
}SCSS
$custom: #ad3b20; $custom-light: #ce775e; $custom-dark: #000000;
JSON
{
"hex": "#ad3b20",
"rgb": {
"r": 173,
"g": 59,
"b": 32
},
"hsl": {
"h": 11.489,
"s": 68.78,
"l": 40.196
},
"oklch": {
"l": 0.51207,
"c": 0.1543,
"h": 34.5
},
"luminance": 0.12116
}Semantic roles & 50–950 ramp
primary
#AD3B20
secondary
#61B4C8
accent
#CAEC3C
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150904
muted
#837B79