#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
RGBrgb(170, 48, 59)
HSLhsl(355, 56%, 43%)
HSVhsv(355, 72%, 67%)
CMYKcmyk(0%, 71.8%, 65.3%, 33.3%)
CIE-LABlab(39.54, 49.96, 22.81)
CIE-LCHlch(39.54, 54.92, 24.54°)
OKLaboklab(49.82% 0.1479 0.0543)
OKLCHoklch(49.82% 0.158 20.2)
XYZxyz(18.4259, 10.9784, 5.2856)
Luminance0.1098 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

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
##AA303B1.006.573.206.57
#FFFFFF6.571.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.571.0021.001.00

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

Preview Lab

Preview with #AA303B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#AA303B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva