#AC303A#AC303A

#AC303A is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.160 H 20.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#AC303A
RGB	rgb(172, 48, 58)
HSL	hsl(355, 56%, 43%)
HSV	hsv(355, 72%, 67%)
CMYK	cmyk(0%, 72.1%, 66.3%, 32.5%)
CIE-LAB	lab(39.90, 50.55, 23.96)
CIE-LCH	lch(39.90, 55.94, 25.36°)
OKLab	oklab(50.15% 0.1493 0.0568)
OKLCH	oklch(50.15% 0.16 20.8)
XYZ	xyz(18.8359, 11.1928, 5.1708)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC303A #30ACA2

analogous

#AC3078 #AC303A #AC6430

triadic

#AC303A #3AAC30 #303AAC

tetradic

#AC303A #78AC30 #30ACA2 #6430AC

square

#AC303A #78AC30 #30ACA2 #6430AC

split-complementary

#AC303A #30AC64 #3078AC

monochromatic

#4C151A #7C232A #AC303A #CD4C57 #DA7C84

Accessibility & contrast

On white

6.49

#AC303A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#AC303A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC303A

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC303A	#FFFFFF	#000000	##FFFFFF
##AC303A	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D39

Deuteranopia (green-blind)

#726836

Tritanopia (blue-blind)

#BD0535

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac303a;
/* rgb */ color: rgb(172, 48, 58);
/* oklch */ color: oklch(50.2% 0.160 20.8);

Tailwind

colors: {
  custom: {
    50: '#cc7170',
    500: '#ac303a',
    950: '#000000',
  },
}

SCSS

$custom: #ac303a;
$custom-light: #cc7170;
$custom-dark: #000000;

JSON

{
  "hex": "#ac303a",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 355.161,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50153,
    "c": 0.15973,
    "h": 20.8
  },
  "luminance": 0.1119
}

Semantic roles & 50–950 ramp

primary

#AC303A

secondary

#75C3BD

accent

#E0D348

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC303A

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

Preview Lab → · Contrast checker → · Palette generator →