#AD3C1B#AD3C1B
#AD3C1B is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.3% C 0.154 H 36.3°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).
Color values
| HEX | #AD3C1B |
|---|---|
| RGB | rgb(173, 60, 27) |
| HSL | hsl(14, 73%, 39%) |
| HSV | hsv(14, 84%, 68%) |
| CMYK | cmyk(0%, 65.3%, 84.4%, 32.2%) |
| CIE-LAB | lab(41.53, 44.64, 43.20) |
| CIE-LCH | lch(41.53, 62.12, 44.07°) |
| OKLab | oklab(51.29% 0.1245 0.0913) |
| OKLCH | oklch(51.29% 0.154 36.3) |
| XYZ | xyz(19.0494, 12.1979, 2.3881) |
| Luminance | 0.1220 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 2.38
Rust (survey)
#A83C09
ΔE00 3.57
Rust Red
#AA2704
ΔE00 3.93
Rust
#B7410E
ΔE00 4.00
Russet
#A13905
ΔE00 4.50
Brick
#A03623
ΔE00 4.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD3C1B #1B8CAD
analogous
#AD1B43 #AD3C1B #AD851B
triadic
#AD3C1B #1BAD3C #3C1BAD
tetradic
#AD3C1B #43AD1B #1B8CAD #851BAD
square
#AD3C1B #43AD1B #1B8CAD #851BAD
split-complementary
#AD3C1B #1BAD85 #1B43AD
monochromatic
#43170A #782A13 #AD3C1B #DD5128 #E67C5D
Accessibility & contrast
On white
6.11
#AD3C1B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.44
#AD3C1B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD3C1B
6.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD3C1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD3C1B | 1.00 | 6.11 | 3.44 | 6.11 |
| #FFFFFF | 6.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D5215
Deuteranopia (green-blind)
#796B15
Tritanopia (blue-blind)
#BF1B36
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #ad3c1b; /* rgb */ color: rgb(173, 60, 27); /* oklch */ color: oklch(51.3% 0.154 36.3);
Tailwind
colors: {
custom: {
50: '#ce775b',
500: '#ad3c1b',
950: '#000000',
},
}SCSS
$custom: #ad3c1b; $custom-light: #ce775b; $custom-dark: #000000;
JSON
{
"hex": "#ad3c1b",
"rgb": {
"r": 173,
"g": 60,
"b": 27
},
"hsl": {
"h": 13.562,
"s": 73,
"l": 39.216
},
"oklch": {
"l": 0.51288,
"c": 0.15438,
"h": 36.3
},
"luminance": 0.12195
}Semantic roles & 50–950 ramp
primary
#AD3C1B
secondary
#5AB0CA
accent
#C6F038
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150904
muted
#837B79