#AC373D#AC373D

#AC373D is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.152 H 21.6°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#AC373D
RGB	rgb(172, 55, 61)
HSL	hsl(357, 52%, 45%)
HSV	hsv(357, 68%, 67%)
CMYK	cmyk(0%, 68%, 64.5%, 32.5%)
CIE-LAB	lab(40.97, 47.96, 23.45)
CIE-LCH	lch(40.97, 53.38, 26.06°)
OKLab	oklab(50.96% 0.1417 0.056)
OKLCH	oklch(50.96% 0.152 21.6)
XYZ	xyz(19.2237, 11.8427, 5.6876)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC373D #37ACA6

analogous

#AC3778 #AC373D #AC6C37

triadic

#AC373D #3DAC37 #373DAC

tetradic

#AC373D #78AC37 #37ACA6 #6C37AC

square

#AC373D #78AC37 #37ACA6 #6C37AC

split-complementary

#AC373D #37AC6C #3778AC

monochromatic

#4F191C #7E282D #AC373D #C9575D #D8858A

Accessibility & contrast

On white

6.24

#AC373D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AC373D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC373D

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC373D	#FFFFFF	#000000	##FFFFFF
##AC373D	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513C

Deuteranopia (green-blind)

#746A3A

Tritanopia (blue-blind)

#BD1A3A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac373d;
/* rgb */ color: rgb(172, 55, 61);
/* oklch */ color: oklch(51.0% 0.152 21.6);

Tailwind

colors: {
  custom: {
    50: '#cb7572',
    500: '#ac373d',
    950: '#000000',
  },
}

SCSS

$custom: #ac373d;
$custom-light: #cb7572;
$custom-dark: #000000;

JSON

{
  "hex": "#ac373d",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 61
  },
  "hsl": {
    "h": 356.923,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50962,
    "c": 0.15233,
    "h": 21.6
  },
  "luminance": 0.1184
}

Semantic roles & 50–950 ramp

primary

#AC373D

secondary

#7DC2BE

accent

#DBD44D

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC373D

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

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