#AA4237#AA4237

#AA4237 is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.139 H 28.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#AA4237
RGBrgb(170, 66, 55)
HSLhsl(6, 51%, 44%)
HSVhsv(6, 68%, 67%)
CMYKcmyk(0%, 61.2%, 67.6%, 33.3%)
CIE-LABlab(42.34, 42.00, 28.69)
CIE-LCHlch(42.34, 50.87, 34.34°)
OKLaboklab(51.9% 0.122 0.067)
OKLCHoklch(51.9% 0.139 28.8)
XYZxyz(19.2173, 12.7209, 5.0571)
Luminance0.1272 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AA4237 #379FAA
analogous
#AA3766 #AA4237 #AA7C37
triadic
#AA4237 #37AA42 #4237AA
tetradic
#AA4237 #66AA37 #379FAA #7C37AA
square
#AA4237 #66AA37 #379FAA #7C37AA
split-complementary
#AA4237 #37AA7C #3766AA
monochromatic
#4E1E19 #7C3028 #AA4237 #C86156 #D78C84

Accessibility & contrast

On white

5.93
#AA4237 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.54
#AA4237 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA4237
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AA4237#FFFFFF#000000##FFFFFF
##AA42371.005.933.545.93
#FFFFFF5.931.0021.001.00
#0000003.5421.001.0021.00
##FFFFFF5.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5635
Deuteranopia (green-blind)
#776C34
Tritanopia (blue-blind)
#BA2C40
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #aa4237;
/* rgb */ color: rgb(170, 66, 55);
/* oklch */ color: oklch(51.9% 0.139 28.8);
Tailwind
colors: {
  custom: {
    50: '#ca7b6e',
    500: '#aa4237',
    950: '#000000',
  },
}
SCSS
$custom: #aa4237;
$custom-light: #ca7b6e;
$custom-dark: #000000;
JSON
{
  "hex": "#aa4237",
  "rgb": {
    "r": 170,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 5.739,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51897,
    "c": 0.13913,
    "h": 28.8
  },
  "luminance": 0.12718
}

Semantic roles & 50–950 ramp

primary
#AA4237
secondary
#7CBAC1
accent
#CDDB4D
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#140A07
muted
#837C7A

Preview Lab

Preview with #AA4237

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

Preview Lab → · Contrast checker → · Palette generator →

#AA4237 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva