#AC2E37#AC2E37

#AC2E37 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.162 H 21.6°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#AC2E37
RGB	rgb(172, 46, 55)
HSL	hsl(356, 58%, 43%)
HSV	hsv(356, 73%, 67%)
CMYK	cmyk(0%, 73.3%, 68%, 32.5%)
CIE-LAB	lab(39.59, 51.12, 25.41)
CIE-LCH	lch(39.59, 57.09, 26.43°)
OKLab	oklab(49.9% 0.1505 0.0596)
OKLCH	oklch(49.9% 0.162 21.6)
XYZ	xyz(18.6819, 11.0033, 4.7538)
Luminance	0.1100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2E37 #2EACA3

analogous

#AC2E76 #AC2E37 #AC642E

triadic

#AC2E37 #37AC2E #2E37AC

tetradic

#AC2E37 #76AC2E #2EACA3 #642EAC

square

#AC2E37 #76AC2E #2EACA3 #642EAC

split-complementary

#AC2E37 #2EAC64 #2E76AC

monochromatic

#4B1418 #7C2128 #AC2E37 #CE4952 #DB7980

Accessibility & contrast

On white

6.56

#AC2E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#AC2E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2E37

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2E37	#FFFFFF	#000000	##FFFFFF
##AC2E37	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C36

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#BD0032

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ac2e37;
/* rgb */ color: rgb(172, 46, 55);
/* oklch */ color: oklch(49.9% 0.162 21.6);

Tailwind

colors: {
  custom: {
    50: '#cc706d',
    500: '#ac2e37',
    950: '#000000',
  },
}

SCSS

$custom: #ac2e37;
$custom-light: #cc706d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2e37",
  "rgb": {
    "r": 172,
    "g": 46,
    "b": 55
  },
  "hsl": {
    "h": 355.714,
    "s": 57.798,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49901,
    "c": 0.16187,
    "h": 21.6
  },
  "luminance": 0.11
}

Semantic roles & 50–950 ramp

primary

#AC2E37

secondary

#72C3BE

accent

#E1D647

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC2E37

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

Preview Lab → · Contrast checker → · Palette generator →