#AC373E#AC373E

#AC373E is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.0% C 0.152 H 21.1°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#AC373E
RGB	rgb(172, 55, 62)
HSL	hsl(356, 52%, 45%)
HSV	hsv(356, 68%, 67%)
CMYK	cmyk(0%, 68%, 64%, 32.5%)
CIE-LAB	lab(40.98, 48.02, 22.86)
CIE-LCH	lch(40.98, 53.18, 25.46°)
OKLab	oklab(50.98% 0.1421 0.0547)
OKLCH	oklch(50.98% 0.152 21.1)
XYZ	xyz(19.2509, 11.8535, 5.8308)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC373E #37ACA5

analogous

#AC3779 #AC373E #AC6A37

triadic

#AC373E #3EAC37 #373EAC

tetradic

#AC373E #79AC37 #37ACA5 #6A37AC

square

#AC373E #79AC37 #37ACA5 #6A37AC

split-complementary

#AC373E #37AC6A #3779AC

monochromatic

#4F191D #7E282D #AC373E #C9575E #D8858A

Accessibility & contrast

On white

6.23

#AC373E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AC373E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC373E

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC373E	#FFFFFF	#000000	##FFFFFF
##AC373E	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513D

Deuteranopia (green-blind)

#746A3B

Tritanopia (blue-blind)

#BD1A3A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac373e;
/* rgb */ color: rgb(172, 55, 62);
/* oklch */ color: oklch(51.0% 0.152 21.1);

Tailwind

colors: {
  custom: {
    50: '#cb7573',
    500: '#ac373e',
    950: '#000000',
  },
}

SCSS

$custom: #ac373e;
$custom-light: #cb7573;
$custom-dark: #000000;

JSON

{
  "hex": "#ac373e",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 62
  },
  "hsl": {
    "h": 356.41,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50981,
    "c": 0.15225,
    "h": 21.1
  },
  "luminance": 0.11851
}

Semantic roles & 50–950 ramp

primary

#AC373E

secondary

#7DC2BE

accent

#DBD24D

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC373E

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

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