#AD4728#AD4728
#AD4728 is a mid, vivid red. Relative luminance 0.135; OKLCH L 52.9% C 0.141 H 37.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).
Color values
| HEX | #AD4728 |
|---|---|
| RGB | rgb(173, 71, 40) |
| HSL | hsl(14, 62%, 42%) |
| HSV | hsv(14, 77%, 68%) |
| CMYK | cmyk(0%, 59%, 76.9%, 32.2%) |
| CIE-LAB | lab(43.58, 39.97, 38.67) |
| CIE-LCH | lch(43.58, 55.61, 44.06°) |
| OKLab | oklab(52.87% 0.1124 0.0855) |
| OKLCH | oklch(52.87% 0.141 37.3) |
| XYZ | xyz(19.8719, 13.5466, 3.5754) |
| Luminance | 0.1354 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 4.40
Sienna
#A0522D
ΔE00 4.78
Rusty Red
#AF2F0D
ΔE00 4.94
Rust (survey)
#A83C09
ΔE00 4.94
Brick
#A03623
ΔE00 5.56
Brownish Red
#9E3623
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD4728 #288EAD
analogous
#AD284C #AD4728 #AD8A28
triadic
#AD4728 #28AD47 #4728AD
tetradic
#AD4728 #4CAD28 #288EAD #8A28AD
square
#AD4728 #4CAD28 #288EAD #8A28AD
split-complementary
#AD4728 #28AD8A #284CAD
monochromatic
#4A1E11 #7B331D #AD4728 #D3623F #DE8B71
Accessibility & contrast
On white
5.66
#AD4728 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.71
#AD4728 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD4728
5.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD4728 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD4728 | 1.00 | 5.66 | 3.71 | 5.66 |
| #FFFFFF | 5.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#635924
Deuteranopia (green-blind)
#7C6F25
Tritanopia (blue-blind)
#BE3040
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #ad4728; /* rgb */ color: rgb(173, 71, 40); /* oklch */ color: oklch(52.9% 0.141 37.3);
Tailwind
colors: {
custom: {
50: '#cd7e64',
500: '#ad4728',
950: '#000000',
},
}SCSS
$custom: #ad4728; $custom-light: #cd7e64; $custom-dark: #000000;
JSON
{
"hex": "#ad4728",
"rgb": {
"r": 173,
"g": 71,
"b": 40
},
"hsl": {
"h": 13.985,
"s": 62.441,
"l": 41.765
},
"oklch": {
"l": 0.52869,
"c": 0.14122,
"h": 37.3
},
"luminance": 0.13544
}Semantic roles & 50–950 ramp
primary
#AD4728
secondary
#6CB0C5
accent
#BFE642
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150A05
muted
#837C7A