#AC313A#AC313A

#AC313A is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.3% C 0.159 H 21.1°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#AC313A
RGB	rgb(172, 49, 58)
HSL	hsl(356, 56%, 43%)
HSV	hsv(356, 72%, 67%)
CMYK	cmyk(0%, 71.5%, 66.3%, 32.5%)
CIE-LAB	lab(40.04, 50.17, 24.13)
CIE-LCH	lch(40.04, 55.67, 25.69°)
OKLab	oklab(50.26% 0.1481 0.0571)
OKLCH	oklch(50.26% 0.159 21.1)
XYZ	xyz(18.8773, 11.2755, 5.1846)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC313A #31ACA3

analogous

#AC3177 #AC313A #AC6531

triadic

#AC313A #3AAC31 #313AAC

tetradic

#AC313A #77AC31 #31ACA3 #6531AC

square

#AC313A #77AC31 #31ACA3 #6531AC

split-complementary

#AC313A #31AC65 #3177AC

monochromatic

#4D161A #7C232A #AC313A #CC4E57 #DA7D84

Accessibility & contrast

On white

6.45

#AC313A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AC313A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC313A

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC313A	#FFFFFF	#000000	##FFFFFF
##AC313A	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E39

Deuteranopia (green-blind)

#726836

Tritanopia (blue-blind)

#BD0835

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac313a;
/* rgb */ color: rgb(172, 49, 58);
/* oklch */ color: oklch(50.3% 0.159 21.1);

Tailwind

colors: {
  custom: {
    50: '#cc7270',
    500: '#ac313a',
    950: '#000000',
  },
}

SCSS

$custom: #ac313a;
$custom-light: #cc7270;
$custom-dark: #000000;

JSON

{
  "hex": "#ac313a",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 355.61,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50256,
    "c": 0.15874,
    "h": 21.1
  },
  "luminance": 0.11273
}

Semantic roles & 50–950 ramp

primary

#AC313A

secondary

#76C3BD

accent

#DFD449

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC313A

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

Preview Lab → · Contrast checker → · Palette generator →