#AC4523#AC4523

#AC4523 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.4% C 0.143 H 38.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#AC4523
RGBrgb(172, 69, 35)
HSLhsl(15, 66%, 41%)
HSVhsv(15, 80%, 67%)
CMYKcmyk(0%, 59.9%, 79.7%, 32.5%)
CIE-LABlab(42.99, 40.36, 40.61)
CIE-LCHlch(42.99, 57.26, 45.18°)
OKLaboklab(52.38% 0.1128 0.0884)
OKLCHoklch(52.38% 0.143 38.1)
XYZxyz(19.4468, 13.1509, 3.1041)
Luminance0.1315 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC4523 #238AAC
analogous
#AC2345 #AC4523 #AC8A23
triadic
#AC4523 #23AC45 #4523AC
tetradic
#AC4523 #45AC23 #238AAC #8A23AC
square
#AC4523 #45AC23 #238AAC #8A23AC
split-complementary
#AC4523 #23AC8A #2345AC
monochromatic
#461C0E #793119 #AC4523 #D65E36 #E08769

Accessibility & contrast

On white

5.79
#AC4523 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#AC4523 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4523
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC4523#FFFFFF#000000##FFFFFF
##AC45231.005.793.635.79
#FFFFFF5.791.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62571E
Deuteranopia (green-blind)
#7B6E1F
Tritanopia (blue-blind)
#BD2C3E
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #ac4523;
/* rgb */ color: rgb(172, 69, 35);
/* oklch */ color: oklch(52.4% 0.143 38.1);
Tailwind
colors: {
  custom: {
    50: '#cc7c60',
    500: '#ac4523',
    950: '#000000',
  },
}
SCSS
$custom: #ac4523;
$custom-light: #cc7c60;
$custom-dark: #000000;
JSON
{
  "hex": "#ac4523",
  "rgb": {
    "r": 172,
    "g": 69,
    "b": 35
  },
  "hsl": {
    "h": 14.891,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.52378,
    "c": 0.14329,
    "h": 38.1
  },
  "luminance": 0.13148
}

Semantic roles & 50–950 ramp

primary
#AC4523
secondary
#64AEC6
accent
#BFE93F
background
#FDF7F5
surface
#FBEEEA
border
#D4C9C6
text
#150A05
muted
#837C79

Preview Lab

Preview with #AC4523

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

Preview Lab → · Contrast checker → · Palette generator →

#AC4523 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva