#AD3C27#AD3C27
#AD3C27 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.4% C 0.152 H 32.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).
Color values
| HEX | #AD3C27 |
|---|---|
| RGB | rgb(173, 60, 39) |
| HSL | hsl(9, 63%, 42%) |
| HSV | hsv(9, 77%, 68%) |
| CMYK | cmyk(0%, 65.3%, 77.5%, 32.2%) |
| CIE-LAB | lab(41.63, 45.04, 37.17) |
| CIE-LCH | lch(41.63, 58.40, 39.53°) |
| OKLab | oklab(51.4% 0.1279 0.082) |
| OKLCH | oklch(51.4% 0.152 32.7) |
| XYZ | xyz(19.2178, 12.2652, 3.2745) |
| Luminance | 0.1226 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.08
Brownish Red
#9E3623
ΔE00 3.45
Rusty Red
#AF2F0D
ΔE00 4.22
Firebrick
#B22222
ΔE00 4.84
Rust Red
#AA2704
ΔE00 5.43
Brown
#A52A2A
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD3C27 #2798AD
analogous
#AD2755 #AD3C27 #AD7F27
triadic
#AD3C27 #27AD3C #3C27AD
tetradic
#AD3C27 #55AD27 #2798AD #7F27AD
square
#AD3C27 #55AD27 #2798AD #7F27AD
split-complementary
#AD3C27 #27AD7F #2755AD
monochromatic
#491910 #7B2B1C #AD3C27 #D3553E #DF8170
Accessibility & contrast
On white
6.08
#AD3C27 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.45
#AD3C27 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD3C27
6.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD3C27 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD3C27 | 1.00 | 6.08 | 3.45 | 6.08 |
| #FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5224
Deuteranopia (green-blind)
#786B23
Tritanopia (blue-blind)
#BE1D38
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #ad3c27; /* rgb */ color: rgb(173, 60, 39); /* oklch */ color: oklch(51.4% 0.152 32.7);
Tailwind
colors: {
custom: {
50: '#cd7762',
500: '#ad3c27',
950: '#000000',
},
}SCSS
$custom: #ad3c27; $custom-light: #cd7762; $custom-dark: #000000;
JSON
{
"hex": "#ad3c27",
"rgb": {
"r": 173,
"g": 60,
"b": 39
},
"hsl": {
"h": 9.403,
"s": 63.208,
"l": 41.569
},
"oklch": {
"l": 0.51401,
"c": 0.15192,
"h": 32.7
},
"luminance": 0.12262
}Semantic roles & 50–950 ramp
primary
#AD3C27
secondary
#6AB7C6
accent
#CCE642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79