#AC303F#AC303F

#AC303F is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.160 H 18.5°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#AC303F
RGB	rgb(172, 48, 63)
HSL	hsl(353, 56%, 43%)
HSV	hsv(353, 72%, 67%)
CMYK	cmyk(0%, 72.1%, 63.4%, 32.5%)
CIE-LAB	lab(39.99, 50.85, 20.97)
CIE-LCH	lch(39.99, 55.01, 22.41°)
OKLab	oklab(50.25% 0.1513 0.0505)
OKLCH	oklch(50.25% 0.16 18.5)
XYZ	xyz(18.9694, 11.2462, 5.8735)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC303F #30AC9D

analogous

#AC307D #AC303F #AC5F30

triadic

#AC303F #3FAC30 #303FAC

tetradic

#AC303F #7DAC30 #30AC9D #5F30AC

square

#AC303F #7DAC30 #30AC9D #5F30AC

split-complementary

#AC303F #30AC5F #307DAC

monochromatic

#4C151C #7C232D #AC303F #CD4C5C #DA7C87

Accessibility & contrast

On white

6.46

#AC303F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AC303F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC303F

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC303F	#FFFFFF	#000000	##FFFFFF
##AC303F	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E3F

Deuteranopia (green-blind)

#71683C

Tritanopia (blue-blind)

#BD0836

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac303f;
/* rgb */ color: rgb(172, 48, 63);
/* oklch */ color: oklch(50.2% 0.160 18.5);

Tailwind

colors: {
  custom: {
    50: '#cc7173',
    500: '#ac303f',
    950: '#000000',
  },
}

SCSS

$custom: #ac303f;
$custom-light: #cc7173;
$custom-dark: #000000;

JSON

{
  "hex": "#ac303f",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 63
  },
  "hsl": {
    "h": 352.742,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50248,
    "c": 0.1595,
    "h": 18.5
  },
  "luminance": 0.11243
}

Semantic roles & 50–950 ramp

primary

#AC303F

secondary

#75C3BA

accent

#E0CD48

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AC303F

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

Preview Lab → · Contrast checker → · Palette generator →