#AC4337#AC4337

#AC4337 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.4% C 0.140 H 29.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX#AC4337
RGBrgb(172, 67, 55)
HSLhsl(6, 52%, 45%)
HSVhsv(6, 68%, 67%)
CMYKcmyk(0%, 61%, 68%, 32.5%)
CIE-LABlab(42.86, 42.26, 29.40)
CIE-LCHlch(42.86, 51.48, 34.83°)
OKLaboklab(52.35% 0.1225 0.0685)
OKLCHoklch(52.35% 0.14 29.2)
XYZxyz(19.7120, 13.0634, 5.0972)
Luminance0.1306 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC4337 #37A0AC
analogous
#AC3766 #AC4337 #AC7E37
triadic
#AC4337 #37AC43 #4337AC
tetradic
#AC4337 #66AC37 #37A0AC #7E37AC
square
#AC4337 #66AC37 #37A0AC #7E37AC
split-complementary
#AC4337 #37AC7E #3766AC
monochromatic
#4F1F19 #7E3128 #AC4337 #C96357 #D88E85

Accessibility & contrast

On white

5.81
#AC4337 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.61
#AC4337 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4337
5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC4337#FFFFFF#000000##FFFFFF
##AC43371.005.813.615.81
#FFFFFF5.811.0021.001.00
#0000003.6121.001.0021.00
##FFFFFF5.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5735
Deuteranopia (green-blind)
#796E34
Tritanopia (blue-blind)
#BD2C41
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #ac4337;
/* rgb */ color: rgb(172, 67, 55);
/* oklch */ color: oklch(52.4% 0.140 29.2);
Tailwind
colors: {
  custom: {
    50: '#cb7b6e',
    500: '#ac4337',
    950: '#000000',
  },
}
SCSS
$custom: #ac4337;
$custom-light: #cb7b6e;
$custom-dark: #000000;
JSON
{
  "hex": "#ac4337",
  "rgb": {
    "r": 172,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 6.154,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52353,
    "c": 0.14036,
    "h": 29.2
  },
  "luminance": 0.13061
}

Semantic roles & 50–950 ramp

primary
#AC4337
secondary
#7DBBC2
accent
#CCDB4D
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#150A07
muted
#837C7A

Preview Lab

Preview with #AC4337

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

Preview Lab → · Contrast checker → · Palette generator →

#AC4337 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva