#AD2B27#AD2B27
#AD2B27 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 27.1°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).
Color values
| HEX | #AD2B27 |
|---|---|
| RGB | rgb(173, 43, 39) |
| HSL | hsl(2, 63%, 42%) |
| HSV | hsv(2, 77%, 68%) |
| CMYK | cmyk(0%, 75.1%, 77.5%, 32.2%) |
| CIE-LAB | lab(39.18, 51.76, 34.56) |
| CIE-LCH | lch(39.18, 62.24, 33.73°) |
| OKLab | oklab(49.56% 0.1489 0.0763) |
| OKLCH | oklch(49.56% 0.167 27.1) |
| XYZ | xyz(18.4658, 10.7614, 3.0239) |
| Luminance | 0.1076 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 1.33
Brown
#A52A2A
ΔE00 2.21
Scarlet
#BE0119
ΔE00 3.82
Brick
#A03623
ΔE00 4.01
Brownish Red
#9E3623
ΔE00 4.23
Darkish Red
#A90308
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD2B27 #27A9AD
analogous
#AD2766 #AD2B27 #AD6E27
triadic
#AD2B27 #27AD2B #2B27AD
tetradic
#AD2B27 #66AD27 #27A9AD #6E27AD
square
#AD2B27 #66AD27 #27A9AD #6E27AD
split-complementary
#AD2B27 #27AD6E #2766AD
monochromatic
#491210 #7B1F1C #AD2B27 #D3423E #DF7370
Accessibility & contrast
On white
6.66
#AD2B27 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.15
#AD2B27 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD2B27
6.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD2B27 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD2B27 | 1.00 | 6.66 | 3.15 | 6.66 |
| #FFFFFF | 6.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524A25
Deuteranopia (green-blind)
#726722
Tritanopia (blue-blind)
#BF002C
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #ad2b27; /* rgb */ color: rgb(173, 43, 39); /* oklch */ color: oklch(49.6% 0.167 27.1);
Tailwind
colors: {
custom: {
50: '#ce6f62',
500: '#ad2b27',
950: '#000000',
},
}SCSS
$custom: #ad2b27; $custom-light: #ce6f62; $custom-dark: #000000;
JSON
{
"hex": "#ad2b27",
"rgb": {
"r": 173,
"g": 43,
"b": 39
},
"hsl": {
"h": 1.791,
"s": 63.208,
"l": 41.569
},
"oklch": {
"l": 0.4956,
"c": 0.16734,
"h": 27.1
},
"luminance": 0.10758
}Semantic roles & 50–950 ramp
primary
#AD2B27
secondary
#6AC3C6
accent
#E1E642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79