#AC301E#AC301E

#AC301E is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.163 H 31.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#AC301E
RGBrgb(172, 48, 30)
HSLhsl(8, 70%, 40%)
HSVhsv(8, 83%, 67%)
CMYKcmyk(0%, 72.1%, 82.6%, 32.5%)
CIE-LABlab(39.55, 49.32, 39.82)
CIE-LCHlch(39.55, 63.39, 38.92°)
OKLaboklab(49.78% 0.1396 0.085)
OKLCHoklch(49.78% 0.163 31.3)
XYZxyz(18.3067, 10.9811, 2.3837)
Luminance0.1098 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC301E #1E9AAC
analogous
#AC1E53 #AC301E #AC771E
triadic
#AC301E #1EAC30 #301EAC
tetradic
#AC301E #53AC1E #1E9AAC #771EAC
square
#AC301E #53AC1E #1E9AAC #771EAC
split-complementary
#AC301E #1EAC77 #1E53AC
monochromatic
#44130C #782115 #AC301E #DA432D #E37261

Accessibility & contrast

On white

6.57
#AC301E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#AC301E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC301E
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC301E#FFFFFF#000000##FFFFFF
##AC301E1.006.573.206.57
#FFFFFF6.571.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554C1A
Deuteranopia (green-blind)
#746718
Tritanopia (blue-blind)
#BE002D
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #ac301e;
/* rgb */ color: rgb(172, 48, 30);
/* oklch */ color: oklch(49.8% 0.163 31.3);
Tailwind
colors: {
  custom: {
    50: '#ce715c',
    500: '#ac301e',
    950: '#000000',
  },
}
SCSS
$custom: #ac301e;
$custom-light: #ce715c;
$custom-dark: #000000;
JSON
{
  "hex": "#ac301e",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 30
  },
  "hsl": {
    "h": 7.606,
    "s": 70.297,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49775,
    "c": 0.16344,
    "h": 31.3
  },
  "luminance": 0.10978
}

Semantic roles & 50–950 ramp

primary
#AC301E
secondary
#5EBBC8
accent
#D6ED3B
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #AC301E

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

Preview Lab → · Contrast checker → · Palette generator →

#AC301E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva