#AA303B#AA303B
#AA303B is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.158 H 20.2°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).
Color values
| HEX | #AA303B |
|---|---|
| RGB | rgb(170, 48, 59) |
| HSL | hsl(355, 56%, 43%) |
| HSV | hsv(355, 72%, 67%) |
| CMYK | cmyk(0%, 71.8%, 65.3%, 33.3%) |
| CIE-LAB | lab(39.54, 49.96, 22.81) |
| CIE-LCH | lch(39.54, 54.92, 24.54°) |
| OKLab | oklab(49.82% 0.1479 0.0543) |
| OKLCH | oklch(49.82% 0.158 20.2) |
| XYZ | xyz(18.4259, 10.9784, 5.2856) |
| Luminance | 0.1098 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rouge
#AB1239
ΔE00 4.29
Brown
#A52A2A
ΔE00 4.53
Cardinal
#C41E3A
ΔE00 4.69
Rose Red
#BE013C
ΔE00 4.77
Lipstick Red
#C0022F
ΔE00 4.80
Dull Red
#BB3F3F
ΔE00 5.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA303B #30AA9F
analogous
#AA3078 #AA303B #AA6230
triadic
#AA303B #3BAA30 #303BAA
tetradic
#AA303B #78AA30 #30AA9F #6230AA
square
#AA303B #78AA30 #30AA9F #6230AA
split-complementary
#AA303B #30AA62 #3078AA
monochromatic
#4B151A #7A232A #AA303B #CC4B57 #DA7B83
Accessibility & contrast
On white
6.57
#AA303B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.20
#AA303B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA303B
6.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA303B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA303B | 1.00 | 6.57 | 3.20 | 6.57 |
| #FFFFFF | 6.57 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.57 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524D3B
Deuteranopia (green-blind)
#706738
Tritanopia (blue-blind)
#BB0835
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #aa303b; /* rgb */ color: rgb(170, 48, 59); /* oklch */ color: oklch(49.8% 0.158 20.2);
Tailwind
colors: {
custom: {
50: '#ca7170',
500: '#aa303b',
950: '#000000',
},
}SCSS
$custom: #aa303b; $custom-light: #ca7170; $custom-dark: #000000;
JSON
{
"hex": "#aa303b",
"rgb": {
"r": 170,
"g": 48,
"b": 59
},
"hsl": {
"h": 354.59,
"s": 55.963,
"l": 42.745
},
"oklch": {
"l": 0.49822,
"c": 0.15759,
"h": 20.2
},
"luminance": 0.10976
}Semantic roles & 50–950 ramp
primary
#AA303B
secondary
#74C2BB
accent
#DFD249
background
#FDF7F6
surface
#FAEDEC
border
#D3C8C7
text
#150807
muted
#837B7A