#AA4540#AA4540

#AA4540 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.5% C 0.134 H 25.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#AA4540
RGBrgb(170, 69, 64)
HSLhsl(3, 45%, 46%)
HSVhsv(3, 62%, 67%)
CMYKcmyk(0%, 59.4%, 62.4%, 33.3%)
CIE-LABlab(43.03, 41.14, 24.17)
CIE-LCHlch(43.03, 47.72, 30.44°)
OKLaboklab(52.46% 0.121 0.058)
OKLCHoklch(52.46% 0.134 25.6)
XYZxyz(19.6329, 13.1750, 6.3587)
Luminance0.1317 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AA4540 #40A5AA
analogous
#AA4070 #AA4540 #AA7A40
triadic
#AA4540 #40AA45 #4540AA
tetradic
#AA4540 #70AA40 #40A5AA #7A40AA
square
#AA4540 #70AA40 #40A5AA #7A40AA
split-complementary
#AA4540 #40AA7A #4070AA
monochromatic
#51211F #7E332F #AA4540 #C46863 #D5938F

Accessibility & contrast

On white

5.78
#AA4540 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#AA4540 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA4540
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AA4540#FFFFFF#000000##FFFFFF
##AA45401.005.783.635.78
#FFFFFF5.781.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F583F
Deuteranopia (green-blind)
#786E3E
Tritanopia (blue-blind)
#BA3244
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #aa4540;
/* rgb */ color: rgb(170, 69, 64);
/* oklch */ color: oklch(52.5% 0.134 25.6);
Tailwind
colors: {
  custom: {
    50: '#c97d75',
    500: '#aa4540',
    950: '#000000',
  },
}
SCSS
$custom: #aa4540;
$custom-light: #c97d75;
$custom-dark: #000000;
JSON
{
  "hex": "#aa4540",
  "rgb": {
    "r": 170,
    "g": 69,
    "b": 64
  },
  "hsl": {
    "h": 2.83,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5246,
    "c": 0.13415,
    "h": 25.6
  },
  "luminance": 0.13172
}

Semantic roles & 50–950 ramp

primary
#AA4540
secondary
#86BDC0
accent
#CFD553
background
#FDF7F7
surface
#FAEEED
border
#D3C9C8
text
#140A08
muted
#837C7B

Preview Lab

Preview with #AA4540

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

Preview Lab → · Contrast checker → · Palette generator →

#AA4540 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva