#AC423A#AC423A

#AC423A is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.3% C 0.141 H 27.3°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#AC423A
RGB	rgb(172, 66, 58)
HSL	hsl(4, 50%, 45%)
HSV	hsv(4, 66%, 67%)
CMYK	cmyk(0%, 61.6%, 66.3%, 32.5%)
CIE-LAB	lab(42.73, 42.91, 27.46)
CIE-LCH	lch(42.73, 50.94, 32.62°)
OKLab	oklab(52.27% 0.1252 0.0646)
OKLCH	oklch(52.27% 0.141 27.3)
XYZ	xyz(19.7271, 12.9752, 5.4678)
Luminance	0.1297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC423A #3AA4AC

analogous

#AC3A6B #AC423A #AC7B3A

triadic

#AC423A #3AAC42 #423AAC

tetradic

#AC423A #6BAC3A #3AA4AC #7B3AAC

square

#AC423A #6BAC3A #3AA4AC #7B3AAC

split-complementary

#AC423A #3AAC7B #3A6BAC

monochromatic

#501F1B #7E302B #AC423A #C8635B #D78F89

Accessibility & contrast

On white

5.84

#AC423A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#AC423A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC423A

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC423A	#FFFFFF	#000000	##FFFFFF
##AC423A	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5739

Deuteranopia (green-blind)

#786D37

Tritanopia (blue-blind)

#BD2B41

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ac423a;
/* rgb */ color: rgb(172, 66, 58);
/* oklch */ color: oklch(52.3% 0.141 27.3);

Tailwind

colors: {
  custom: {
    50: '#cb7b70',
    500: '#ac423a',
    950: '#000000',
  },
}

SCSS

$custom: #ac423a;
$custom-light: #cb7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#ac423a",
  "rgb": {
    "r": 172,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 4.211,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52268,
    "c": 0.14084,
    "h": 27.3
  },
  "luminance": 0.12973
}

Semantic roles & 50–950 ramp

primary

#AC423A

secondary

#80BDC2

accent

#CFD94F

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #AC423A

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

Preview Lab → · Contrast checker → · Palette generator →