#AC2C37#AC2C37

#AC2C37 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.7% C 0.164 H 21.1°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#AC2C37
RGB	rgb(172, 44, 55)
HSL	hsl(355, 59%, 42%)
HSV	hsv(355, 74%, 67%)
CMYK	cmyk(0%, 74.4%, 68%, 32.5%)
CIE-LAB	lab(39.33, 51.84, 25.09)
CIE-LCH	lch(39.33, 57.59, 25.83°)
OKLab	oklab(49.71% 0.1528 0.0589)
OKLCH	oklch(49.71% 0.164 21.1)
XYZ	xyz(18.6056, 10.8506, 4.7284)
Luminance	0.1085 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2C37 #2CACA1

analogous

#AC2C77 #AC2C37 #AC612C

triadic

#AC2C37 #37AC2C #2C37AC

tetradic

#AC2C37 #77AC2C #2CACA1 #612CAC

square

#AC2C37 #77AC2C #2CACA1 #612CAC

split-complementary

#AC2C37 #2CAC61 #2C77AC

monochromatic

#4B1318 #7B2027 #AC2C37 #D04651 #DC767F

Accessibility & contrast

On white

6.63

#AC2C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#AC2C37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2C37

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2C37	#FFFFFF	#000000	##FFFFFF
##AC2C37	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B36

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#BD0031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ac2c37;
/* rgb */ color: rgb(172, 44, 55);
/* oklch */ color: oklch(49.7% 0.164 21.1);

Tailwind

colors: {
  custom: {
    50: '#cc6f6d',
    500: '#ac2c37',
    950: '#000000',
  },
}

SCSS

$custom: #ac2c37;
$custom-light: #cc6f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2c37",
  "rgb": {
    "r": 172,
    "g": 44,
    "b": 55
  },
  "hsl": {
    "h": 354.844,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49709,
    "c": 0.16374,
    "h": 21.1
  },
  "luminance": 0.10848
}

Semantic roles & 50–950 ramp

primary

#AC2C37

secondary

#70C4BD

accent

#E2D545

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC2C37

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

Preview Lab → · Contrast checker → · Palette generator →