#AC3E2B#AC3E2B

#AC3E2B is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.5% C 0.148 H 32.1°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#AC3E2B
RGBrgb(172, 62, 43)
HSLhsl(9, 60%, 42%)
HSVhsv(9, 75%, 67%)
CMYKcmyk(0%, 64%, 75%, 32.5%)
CIE-LABlab(41.83, 43.96, 35.12)
CIE-LCHlch(41.83, 56.27, 38.63°)
OKLaboklab(51.53% 0.1254 0.0787)
OKLCHoklch(51.53% 0.148 32.1)
XYZxyz(19.1740, 12.3930, 3.6675)
Luminance0.1239 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3E2B #2B99AC
analogous
#AC2B59 #AC3E2B #AC7E2B
triadic
#AC3E2B #2BAC3E #3E2BAC
tetradic
#AC3E2B #59AC2B #2B99AC #7E2BAC
square
#AC3E2B #59AC2B #2B99AC #7E2BAC
split-complementary
#AC3E2B #2BAC7E #2B59AC
monochromatic
#4A1B13 #7B2C1F #AC3E2B #D05944 #DC8475

Accessibility & contrast

On white

6.04
#AC3E2B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#AC3E2B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3E2B
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3E2B#FFFFFF#000000##FFFFFF
##AC3E2B1.006.043.486.04
#FFFFFF6.041.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5328
Deuteranopia (green-blind)
#786C27
Tritanopia (blue-blind)
#BD223A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #ac3e2b;
/* rgb */ color: rgb(172, 62, 43);
/* oklch */ color: oklch(51.5% 0.148 32.1);
Tailwind
colors: {
  custom: {
    50: '#cc7865',
    500: '#ac3e2b',
    950: '#000000',
  },
}
SCSS
$custom: #ac3e2b;
$custom-light: #cc7865;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3e2b",
  "rgb": {
    "r": 172,
    "g": 62,
    "b": 43
  },
  "hsl": {
    "h": 8.837,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51532,
    "c": 0.14805,
    "h": 32.1
  },
  "luminance": 0.1239
}

Semantic roles & 50–950 ramp

primary
#AC3E2B
secondary
#6FB8C4
accent
#CCE345
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150906
muted
#837B7A

Preview Lab

Preview with #AC3E2B

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3E2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva