#AC3438#AC3438

#AC3438 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.156 H 22.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX#AC3438
RGBrgb(172, 52, 56)
HSLhsl(358, 54%, 44%)
HSVhsv(358, 70%, 67%)
CMYKcmyk(0%, 69.8%, 67.4%, 32.5%)
CIE-LABlab(40.43, 48.88, 25.85)
CIE-LCHlch(40.43, 55.29, 27.87°)
OKLaboklab(50.54% 0.1436 0.0607)
OKLCHoklch(50.54% 0.156 22.9)
XYZxyz(18.9571, 11.5149, 4.9650)
Luminance0.1151 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3438 #34ACA8
analogous
#AC3474 #AC3438 #AC6C34
triadic
#AC3438 #38AC34 #3438AC
tetradic
#AC3438 #74AC34 #34ACA8 #6C34AC
square
#AC3438 #74AC34 #34ACA8 #6C34AC
split-complementary
#AC3438 #34AC6C #3474AC
monochromatic
#4E1819 #7D2629 #AC3438 #CB5256 #D98184

Accessibility & contrast

On white

6.36
#AC3438 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.30
#AC3438 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3438
6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3438#FFFFFF#000000##FFFFFF
##AC34381.006.363.306.36
#FFFFFF6.361.0021.001.00
#0000003.3021.001.0021.00
##FFFFFF6.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554F37
Deuteranopia (green-blind)
#736934
Tritanopia (blue-blind)
#BD1137
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #ac3438;
/* rgb */ color: rgb(172, 52, 56);
/* oklch */ color: oklch(50.5% 0.156 22.9);
Tailwind
colors: {
  custom: {
    50: '#cc736e',
    500: '#ac3438',
    950: '#000000',
  },
}
SCSS
$custom: #ac3438;
$custom-light: #cc736e;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3438",
  "rgb": {
    "r": 172,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50539,
    "c": 0.1559,
    "h": 22.9
  },
  "luminance": 0.11512
}

Semantic roles & 50–950 ramp

primary
#AC3438
secondary
#79C2C0
accent
#DDD84B
background
#FDF7F6
surface
#FAEDEC
border
#D3C8C7
text
#150907
muted
#837B7A

Preview Lab

Preview with #AC3438

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3438 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva