#AA2728#AA2728
#AA2728 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.7% C 0.168 H 25.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).
Color values
| HEX | #AA2728 |
|---|---|
| RGB | rgb(170, 39, 40) |
| HSL | hsl(360, 63%, 41%) |
| HSV | hsv(360, 77%, 67%) |
| CMYK | cmyk(0%, 77.1%, 76.5%, 33.3%) |
| CIE-LAB | lab(38.12, 52.21, 32.66) |
| CIE-LCH | lch(38.12, 61.58, 32.03°) |
| OKLab | oklab(48.67% 0.1509 0.0727) |
| OKLCH | oklch(48.67% 0.168 25.7) |
| XYZ | xyz(17.6882, 10.1531, 3.0355) |
| Luminance | 0.1015 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 1.05
Firebrick
#B22222
ΔE00 2.12
Scarlet
#BE0119
ΔE00 4.43
Brick
#A03623
ΔE00 4.79
Brownish Red
#9E3623
ΔE00 4.91
Carmine
#9D0216
ΔE00 4.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA2728 #27AAA9
analogous
#AA2769 #AA2728 #AA6727
triadic
#AA2728 #28AA27 #2728AA
tetradic
#AA2728 #69AA27 #27AAA9 #6727AA
square
#AA2728 #69AA27 #27AAA9 #6727AA
split-complementary
#AA2728 #27AA67 #2769AA
monochromatic
#461011 #781C1C #AA2728 #D23C3D #DE6E6F
Accessibility & contrast
On white
6.93
#AA2728 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.03
#AA2728 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA2728
6.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA2728 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA2728 | 1.00 | 6.93 | 3.03 | 6.93 |
| #FFFFFF | 6.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.03 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F4826
Deuteranopia (green-blind)
#6F6423
Tritanopia (blue-blind)
#BB0029
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #aa2728; /* rgb */ color: rgb(170, 39, 40); /* oklch */ color: oklch(48.7% 0.168 25.7);
Tailwind
colors: {
custom: {
50: '#cc6d62',
500: '#aa2728',
950: '#000000',
},
}SCSS
$custom: #aa2728; $custom-light: #cc6d62; $custom-dark: #000000;
JSON
{
"hex": "#aa2728",
"rgb": {
"r": 170,
"g": 39,
"b": 40
},
"hsl": {
"h": 359.542,
"s": 62.679,
"l": 40.98
},
"oklch": {
"l": 0.48669,
"c": 0.1675,
"h": 25.7
},
"luminance": 0.1015
}Semantic roles & 50–950 ramp
primary
#AA2728
secondary
#69C4C4
accent
#E6E442
background
#FDF6F5
surface
#FBECEA
border
#D4C7C6
text
#150805
muted
#837B79