#AC3143#AC3143

#AC3143 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.158 H 16.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#AC3143
RGB	rgb(172, 49, 67)
HSL	hsl(351, 56%, 43%)
HSV	hsv(351, 72%, 67%)
CMYK	cmyk(0%, 71.5%, 61%, 32.5%)
CIE-LAB	lab(40.21, 50.74, 18.75)
CIE-LCH	lch(40.21, 54.09, 20.28°)
OKLab	oklab(50.43% 0.1517 0.0457)
OKLCH	oklch(50.43% 0.158 16.8)
XYZ	xyz(19.1266, 11.3752, 6.4976)
Luminance	0.1137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3143 #31AC9A

analogous

#AC3180 #AC3143 #AC5D31

triadic

#AC3143 #43AC31 #3143AC

tetradic

#AC3143 #80AC31 #31AC9A #5D31AC

square

#AC3143 #80AC31 #31AC9A #5D31AC

split-complementary

#AC3143 #31AC5D #3180AC

monochromatic

#4D161E #7C2330 #AC3143 #CC4E60 #DA7D8B

Accessibility & contrast

On white

6.41

#AC3143 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AC3143 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3143

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3143	#FFFFFF	#000000	##FFFFFF
##AC3143	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E43

Deuteranopia (green-blind)

#716840

Tritanopia (blue-blind)

#BC0E39

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3143;
/* rgb */ color: rgb(172, 49, 67);
/* oklch */ color: oklch(50.4% 0.158 16.8);

Tailwind

colors: {
  custom: {
    50: '#cb7277',
    500: '#ac3143',
    950: '#000000',
  },
}

SCSS

$custom: #ac3143;
$custom-light: #cb7277;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3143",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 67
  },
  "hsl": {
    "h": 351.22,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50431,
    "c": 0.15843,
    "h": 16.8
  },
  "luminance": 0.11373
}

Semantic roles & 50–950 ramp

primary

#AC3143

secondary

#76C3B8

accent

#DFC949

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AC3143

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

Preview Lab → · Contrast checker → · Palette generator →