#AD2A27#AD2A27
#AD2A27 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 26.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).
Color values
| HEX | #AD2A27 |
|---|---|
| RGB | rgb(173, 42, 39) |
| HSL | hsl(1, 63%, 42%) |
| HSV | hsv(1, 77%, 68%) |
| CMYK | cmyk(0%, 75.7%, 77.5%, 32.2%) |
| CIE-LAB | lab(39.05, 52.10, 34.43) |
| CIE-LCH | lch(39.05, 62.45, 33.46°) |
| OKLab | oklab(49.47% 0.15 0.076) |
| OKLCH | oklch(49.47% 0.168 26.9) |
| XYZ | xyz(18.4299, 10.6895, 3.0119) |
| Luminance | 0.1069 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 1.31
Brown
#A52A2A
ΔE00 2.07
Scarlet
#BE0119
ΔE00 3.80
Brick
#A03623
ΔE00 4.17
Brownish Red
#9E3623
ΔE00 4.37
Lipstick Red
#C0022F
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD2A27 #27AAAD
analogous
#AD2767 #AD2A27 #AD6D27
triadic
#AD2A27 #27AD2A #2A27AD
tetradic
#AD2A27 #67AD27 #27AAAD #6D27AD
square
#AD2A27 #67AD27 #27AAAD #6D27AD
split-complementary
#AD2A27 #27AD6D #2767AD
monochromatic
#491210 #7B1E1C #AD2A27 #D3413E #DF7270
Accessibility & contrast
On white
6.69
#AD2A27 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#AD2A27 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD2A27
6.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD2A27 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD2A27 | 1.00 | 6.69 | 3.14 | 6.69 |
| #FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524A25
Deuteranopia (green-blind)
#726622
Tritanopia (blue-blind)
#BF002B
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #ad2a27; /* rgb */ color: rgb(173, 42, 39); /* oklch */ color: oklch(49.5% 0.168 26.9);
Tailwind
colors: {
custom: {
50: '#ce6e62',
500: '#ad2a27',
950: '#000000',
},
}SCSS
$custom: #ad2a27; $custom-light: #ce6e62; $custom-dark: #000000;
JSON
{
"hex": "#ad2a27",
"rgb": {
"r": 173,
"g": 42,
"b": 39
},
"hsl": {
"h": 1.343,
"s": 63.208,
"l": 41.569
},
"oklch": {
"l": 0.49468,
"c": 0.16817,
"h": 26.9
},
"luminance": 0.10687
}Semantic roles & 50–950 ramp
primary
#AD2A27
secondary
#6AC3C6
accent
#E3E642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79