#AA303A#AA303A
#AA303A is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.158 H 20.6°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).
Color values
| HEX | #AA303A |
|---|---|
| RGB | rgb(170, 48, 58) |
| HSL | hsl(355, 56%, 43%) |
| HSV | hsv(355, 72%, 67%) |
| CMYK | cmyk(0%, 71.8%, 65.9%, 33.3%) |
| CIE-LAB | lab(39.53, 49.91, 23.41) |
| CIE-LCH | lch(39.53, 55.12, 25.13°) |
| OKLab | oklab(49.8% 0.1475 0.0556) |
| OKLCH | oklch(49.8% 0.158 20.6) |
| XYZ | xyz(18.4002, 10.9681, 5.1503) |
| Luminance | 0.1096 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 4.22
Rouge
#AB1239
ΔE00 4.50
Cardinal
#C41E3A
ΔE00 4.67
Lipstick Red
#C0022F
ΔE00 4.69
Rose Red
#BE013C
ΔE00 4.93
Dull Red
#BB3F3F
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA303A #30AAA0
analogous
#AA3077 #AA303A #AA6330
triadic
#AA303A #3AAA30 #303AAA
tetradic
#AA303A #77AA30 #30AAA0 #6330AA
square
#AA303A #77AA30 #30AAA0 #6330AA
split-complementary
#AA303A #30AA63 #3077AA
monochromatic
#4B1519 #7A232A #AA303A #CC4B56 #DA7B83
Accessibility & contrast
On white
6.58
#AA303A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.19
#AA303A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA303A
6.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA303A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA303A | 1.00 | 6.58 | 3.19 | 6.58 |
| #FFFFFF | 6.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524D39
Deuteranopia (green-blind)
#706736
Tritanopia (blue-blind)
#BB0735
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #aa303a; /* rgb */ color: rgb(170, 48, 58); /* oklch */ color: oklch(49.8% 0.158 20.6);
Tailwind
colors: {
custom: {
50: '#ca7170',
500: '#aa303a',
950: '#000000',
},
}SCSS
$custom: #aa303a; $custom-light: #ca7170; $custom-dark: #000000;
JSON
{
"hex": "#aa303a",
"rgb": {
"r": 170,
"g": 48,
"b": 58
},
"hsl": {
"h": 355.082,
"s": 55.963,
"l": 42.745
},
"oklch": {
"l": 0.49804,
"c": 0.15764,
"h": 20.6
},
"luminance": 0.10965
}Semantic roles & 50–950 ramp
primary
#AA303A
secondary
#74C2BC
accent
#DFD349
background
#FDF7F6
surface
#FAEDEC
border
#D3C8C7
text
#150807
muted
#837B7A