#AC3F28#AC3F28

#AC3F28 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.6% C 0.148 H 33.6°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX#AC3F28
RGBrgb(172, 63, 40)
HSLhsl(10, 62%, 42%)
HSVhsv(10, 77%, 67%)
CMYKcmyk(0%, 63.4%, 76.7%, 32.5%)
CIE-LABlab(41.97, 43.38, 36.93)
CIE-LCHlch(41.97, 56.97, 40.41°)
OKLaboklab(51.63% 0.123 0.0818)
OKLCHoklch(51.63% 0.148 33.6)
XYZxyz(19.1758, 12.4816, 3.4065)
Luminance0.1248 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3F28 #2895AC
analogous
#AC2853 #AC3F28 #AC8128
triadic
#AC3F28 #28AC3F #3F28AC
tetradic
#AC3F28 #53AC28 #2895AC #8128AC
square
#AC3F28 #53AC28 #2895AC #8128AC
split-complementary
#AC3F28 #28AC81 #2853AC
monochromatic
#491B11 #7A2D1C #AC3F28 #D2593F #DE8471

Accessibility & contrast

On white

6.01
#AC3F28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#AC3F28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3F28
6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3F28#FFFFFF#000000##FFFFFF
##AC3F281.006.013.506.01
#FFFFFF6.011.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5425
Deuteranopia (green-blind)
#786C24
Tritanopia (blue-blind)
#BD233A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #ac3f28;
/* rgb */ color: rgb(172, 63, 40);
/* oklch */ color: oklch(51.6% 0.148 33.6);
Tailwind
colors: {
  custom: {
    50: '#cc7963',
    500: '#ac3f28',
    950: '#000000',
  },
}
SCSS
$custom: #ac3f28;
$custom-light: #cc7963;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3f28",
  "rgb": {
    "r": 172,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 10.455,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51625,
    "c": 0.14774,
    "h": 33.6
  },
  "luminance": 0.12479
}

Semantic roles & 50–950 ramp

primary
#AC3F28
secondary
#6BB5C5
accent
#C9E542
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150905
muted
#837B7A

Preview Lab

Preview with #AC3F28

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3F28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva