#AC2321#AC2321

#AC2321 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.6% C 0.173 H 27.2°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#AC2321
RGB	rgb(172, 35, 33)
HSL	hsl(1, 68%, 40%)
HSV	hsv(1, 81%, 67%)
CMYK	cmyk(0%, 79.7%, 80.8%, 32.5%)
CIE-LAB	lab(38.00, 53.81, 36.68)
CIE-LCH	lch(38.00, 65.13, 34.28°)
OKLab	oklab(48.63% 0.1542 0.0792)
OKLCH	oklch(48.63% 0.173 27.2)
XYZ	xyz(17.8910, 10.0854, 2.4432)
Luminance	0.1008 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2321 #21AAAC

analogous

#AC2165 #AC2321 #AC6821

triadic

#AC2321 #21AC23 #2321AC

tetradic

#AC2321 #65AC21 #21AAAC #6821AC

square

#AC2321 #65AC21 #21AAAC #6821AC

split-complementary

#AC2321 #21AC68 #2165AC

monochromatic

#450E0D #791917 #AC2321 #D83532 #E26866

Accessibility & contrast

On white

6.96

#AC2321 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#AC2321 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2321

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2321	#FFFFFF	#000000	##FFFFFF
##AC2321	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F461F

Deuteranopia (green-blind)

#70641A

Tritanopia (blue-blind)

#BE0025

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #ac2321;
/* rgb */ color: rgb(172, 35, 33);
/* oklch */ color: oklch(48.6% 0.173 27.2);

Tailwind

colors: {
  custom: {
    50: '#ce6b5d',
    500: '#ac2321',
    950: '#000000',
  },
}

SCSS

$custom: #ac2321;
$custom-light: #ce6b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2321",
  "rgb": {
    "r": 172,
    "g": 35,
    "b": 33
  },
  "hsl": {
    "h": 0.863,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48626,
    "c": 0.17337,
    "h": 27.2
  },
  "luminance": 0.10083
}

Semantic roles & 50–950 ramp

primary

#AC2321

secondary

#62C6C7

accent

#E8EB3D

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AC2321

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

Preview Lab → · Contrast checker → · Palette generator →