#AD2A33#AD2A33
#AD2A33 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 22.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).
Color values
| HEX | #AD2A33 |
|---|---|
| RGB | rgb(173, 42, 51) |
| HSL | hsl(356, 61%, 42%) |
| HSV | hsv(356, 76%, 68%) |
| CMYK | cmyk(0%, 75.7%, 70.5%, 32.2%) |
| CIE-LAB | lab(39.21, 52.63, 27.45) |
| CIE-LCH | lch(39.21, 59.36, 27.55°) |
| OKLab | oklab(49.64% 0.1543 0.0635) |
| OKLCH | oklch(49.64% 0.167 22.4) |
| XYZ | xyz(18.6612, 10.7820, 4.2299) |
| Luminance | 0.1078 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 2.82
Lipstick Red
#C0022F
ΔE00 3.65
Cardinal
#C41E3A
ΔE00 4.45
Firebrick
#B22222
ΔE00 4.53
Dull Red
#BB3F3F
ΔE00 5.30
Rouge
#AB1239
ΔE00 5.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD2A33 #2AADA4
analogous
#AD2A75 #AD2A33 #AD632A
triadic
#AD2A33 #33AD2A #2A33AD
tetradic
#AD2A33 #75AD2A #2AADA4 #632AAD
square
#AD2A33 #75AD2A #2AADA4 #632AAD
split-complementary
#AD2A33 #2AAD63 #2A75AD
monochromatic
#4B1216 #7C1E24 #AD2A33 #D1434D #DD747B
Accessibility & contrast
On white
6.65
#AD2A33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.16
#AD2A33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD2A33
6.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD2A33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD2A33 | 1.00 | 6.65 | 3.16 | 6.65 |
| #FFFFFF | 6.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#504A32
Deuteranopia (green-blind)
#71662F
Tritanopia (blue-blind)
#BE002F
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #ad2a33; /* rgb */ color: rgb(173, 42, 51); /* oklch */ color: oklch(49.6% 0.167 22.4);
Tailwind
colors: {
custom: {
50: '#cd6f6a',
500: '#ad2a33',
950: '#000000',
},
}SCSS
$custom: #ad2a33; $custom-light: #cd6f6a; $custom-dark: #000000;
JSON
{
"hex": "#ad2a33",
"rgb": {
"r": 173,
"g": 42,
"b": 51
},
"hsl": {
"h": 355.878,
"s": 60.93,
"l": 42.157
},
"oklch": {
"l": 0.49637,
"c": 0.16685,
"h": 22.4
},
"luminance": 0.10779
}Semantic roles & 50–950 ramp
primary
#AD2A33
secondary
#6EC5BF
accent
#E4D944
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150806
muted
#837B7A