#AC313F#AC313F

#AC313F is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.3% C 0.158 H 18.7°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#AC313F
RGB	rgb(172, 49, 63)
HSL	hsl(353, 56%, 43%)
HSV	hsv(353, 72%, 67%)
CMYK	cmyk(0%, 71.5%, 63.4%, 32.5%)
CIE-LAB	lab(40.13, 50.47, 21.15)
CIE-LCH	lch(40.13, 54.72, 22.73°)
OKLab	oklab(50.35% 0.1501 0.0509)
OKLCH	oklch(50.35% 0.158 18.7)
XYZ	xyz(19.0107, 11.3289, 5.8873)
Luminance	0.1133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC313F #31AC9E

analogous

#AC317C #AC313F #AC6031

triadic

#AC313F #3FAC31 #313FAC

tetradic

#AC313F #7CAC31 #31AC9E #6031AC

square

#AC313F #7CAC31 #31AC9E #6031AC

split-complementary

#AC313F #31AC60 #317CAC

monochromatic

#4D161C #7C232E #AC313F #CC4E5C #DA7D88

Accessibility & contrast

On white

6.43

#AC313F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AC313F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC313F

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC313F	#FFFFFF	#000000	##FFFFFF
##AC313F	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E3F

Deuteranopia (green-blind)

#71683C

Tritanopia (blue-blind)

#BD0C37

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac313f;
/* rgb */ color: rgb(172, 49, 63);
/* oklch */ color: oklch(50.3% 0.158 18.7);

Tailwind

colors: {
  custom: {
    50: '#cc7273',
    500: '#ac313f',
    950: '#000000',
  },
}

SCSS

$custom: #ac313f;
$custom-light: #cc7273;
$custom-dark: #000000;

JSON

{
  "hex": "#ac313f",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 353.171,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5035,
    "c": 0.15848,
    "h": 18.7
  },
  "luminance": 0.11326
}

Semantic roles & 50–950 ramp

primary

#AC313F

secondary

#76C3BA

accent

#DFCE49

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AC313F

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

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