#AC2937#AC2937

#AC2937 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.166 H 20.3°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#AC2937
RGB	rgb(172, 41, 55)
HSL	hsl(354, 62%, 42%)
HSV	hsv(354, 76%, 67%)
CMYK	cmyk(0%, 76.2%, 68%, 32.5%)
CIE-LAB	lab(38.96, 52.86, 24.64)
CIE-LCH	lch(38.96, 58.32, 24.99°)
OKLab	oklab(49.44% 0.1561 0.0579)
OKLCH	oklch(49.44% 0.166 20.3)
XYZ	xyz(18.4978, 10.6352, 4.6925)
Luminance	0.1063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2937 #29AC9E

analogous

#AC2979 #AC2937 #AC5D29

triadic

#AC2937 #37AC29 #2937AC

tetradic

#AC2937 #79AC29 #29AC9E #5D29AC

square

#AC2937 #79AC29 #29AC9E #5D29AC

split-complementary

#AC2937 #29AC5D #2979AC

monochromatic

#491117 #7B1D27 #AC2937 #D24150 #DD727D

Accessibility & contrast

On white

6.72

#AC2937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AC2937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2937

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2937	#FFFFFF	#000000	##FFFFFF
##AC2937	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A36

Deuteranopia (green-blind)

#706633

Tritanopia (blue-blind)

#BD002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2937;
/* rgb */ color: rgb(172, 41, 55);
/* oklch */ color: oklch(49.4% 0.166 20.3);

Tailwind

colors: {
  custom: {
    50: '#cc6e6d',
    500: '#ac2937',
    950: '#000000',
  },
}

SCSS

$custom: #ac2937;
$custom-light: #cc6e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2937",
  "rgb": {
    "r": 172,
    "g": 41,
    "b": 55
  },
  "hsl": {
    "h": 353.588,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49435,
    "c": 0.16645,
    "h": 20.3
  },
  "luminance": 0.10632
}

Semantic roles & 50–950 ramp

primary

#AC2937

secondary

#6CC5BB

accent

#E5D343

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC2937

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

Preview Lab → · Contrast checker → · Palette generator →