#AD5539#AD5539
#AD5539 is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.2% C 0.123 H 38.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #AD5539 |
|---|---|
| RGB | rgb(173, 85, 57) |
| HSL | hsl(14, 50%, 45%) |
| HSV | hsv(14, 67%, 68%) |
| CMYK | cmyk(0%, 50.9%, 67.1%, 32.2%) |
| CIE-LAB | lab(46.55, 33.72, 32.69) |
| CIE-LCH | lch(46.55, 46.96, 44.11°) |
| OKLab | oklab(55.19% 0.0963 0.0759) |
| OKLCH | oklch(55.19% 0.123 38.2) |
| XYZ | xyz(21.2225, 15.6792, 5.7789) |
| Luminance | 0.1568 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 4.44
Clay
#B66A50
ΔE00 6.78
Rust
#B7410E
ΔE00 6.94
Sienna (survey)
#A9561E
ΔE00 7.66
Earth
#A2653E
ΔE00 7.77
Burnt Sienna
#B04E0F
ΔE00 7.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD5539 #3991AD
analogous
#AD3957 #AD5539 #AD8F39
triadic
#AD5539 #39AD55 #5539AD
tetradic
#AD5539 #57AD39 #3991AD #8F39AD
square
#AD5539 #57AD39 #3991AD #8F39AD
split-complementary
#AD5539 #39AD8F #3957AD
monochromatic
#51281B #7F3E2A #AD5539 #C9755A #D89C88
Accessibility & contrast
On white
5.08
#AD5539 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.14
#AD5539 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD5539
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD5539 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD5539 | 1.00 | 5.08 | 4.14 | 5.08 |
| #FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C6236
Deuteranopia (green-blind)
#827637
Tritanopia (blue-blind)
#BD444F
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #ad5539; /* rgb */ color: rgb(173, 85, 57); /* oklch */ color: oklch(55.2% 0.123 38.2);
Tailwind
colors: {
custom: {
50: '#cb8770',
500: '#ad5539',
950: '#000000',
},
}SCSS
$custom: #ad5539; $custom-light: #cb8770; $custom-dark: #000000;
JSON
{
"hex": "#ad5539",
"rgb": {
"r": 173,
"g": 85,
"b": 57
},
"hsl": {
"h": 14.483,
"s": 50.435,
"l": 45.098
},
"oklch": {
"l": 0.55193,
"c": 0.12265,
"h": 38.2
},
"luminance": 0.15677
}Semantic roles & 50–950 ramp
primary
#AD5539
secondary
#80B2C2
accent
#B8DA4E
background
#FDF8F6
surface
#FAEFEC
border
#D3CAC7
text
#140B07
muted
#837C7A