#AC313D#AC313D

#AC313D is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.3% C 0.159 H 19.7°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#AC313D
RGB	rgb(172, 49, 61)
HSL	hsl(354, 56%, 43%)
HSV	hsv(354, 72%, 67%)
CMYK	cmyk(0%, 71.5%, 64.5%, 32.5%)
CIE-LAB	lab(40.09, 50.35, 22.34)
CIE-LCH	lch(40.09, 55.08, 23.93°)
OKLab	oklab(50.31% 0.1493 0.0534)
OKLCH	oklch(50.31% 0.159 19.7)
XYZ	xyz(18.9558, 11.3069, 5.5983)
Luminance	0.1130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC313D #31ACA0

analogous

#AC317A #AC313D #AC6231

triadic

#AC313D #3DAC31 #313DAC

tetradic

#AC313D #7AAC31 #31ACA0 #6231AC

square

#AC313D #7AAC31 #31ACA0 #6231AC

split-complementary

#AC313D #31AC62 #317AAC

monochromatic

#4D161B #7C232C #AC313D #CC4E5A #DA7D86

Accessibility & contrast

On white

6.44

#AC313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#AC313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC313D

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC313D	#FFFFFF	#000000	##FFFFFF
##AC313D	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3D

Deuteranopia (green-blind)

#72683A

Tritanopia (blue-blind)

#BD0A36

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac313d;
/* rgb */ color: rgb(172, 49, 61);
/* oklch */ color: oklch(50.3% 0.159 19.7);

Tailwind

colors: {
  custom: {
    50: '#cc7272',
    500: '#ac313d',
    950: '#000000',
  },
}

SCSS

$custom: #ac313d;
$custom-light: #cc7272;
$custom-dark: #000000;

JSON

{
  "hex": "#ac313d",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 354.146,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50311,
    "c": 0.15857,
    "h": 19.7
  },
  "luminance": 0.11304
}

Semantic roles & 50–950 ramp

primary

#AC313D

secondary

#76C3BB

accent

#DFD049

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150808

muted

#837B7B

Preview Lab

Preview with #AC313D

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

Preview Lab → · Contrast checker → · Palette generator →