#AC3321#AC3321

#AC3321 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.160 H 31.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#AC3321
RGB	rgb(172, 51, 33)
HSL	hsl(8, 68%, 40%)
HSV	hsv(8, 81%, 67%)
CMYK	cmyk(0%, 70.3%, 80.8%, 32.5%)
CIE-LAB	lab(40.00, 48.25, 38.68)
CIE-LCH	lch(40.00, 61.84, 38.72°)
OKLab	oklab(50.12% 0.1368 0.0836)
OKLCH	oklch(50.12% 0.16 31.4)
XYZ	xyz(18.4738, 11.2509, 2.6375)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3321 #219AAC

analogous

#AC2154 #AC3321 #AC7921

triadic

#AC3321 #21AC33 #3321AC

tetradic

#AC3321 #54AC21 #219AAC #7921AC

square

#AC3321 #54AC21 #219AAC #7921AC

split-complementary

#AC3321 #21AC79 #2154AC

monochromatic

#45150D #792417 #AC3321 #D84832 #E27666

Accessibility & contrast

On white

6.46

#AC3321 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AC3321 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3321

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3321	#FFFFFF	#000000	##FFFFFF
##AC3321	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1E

Deuteranopia (green-blind)

#75681B

Tritanopia (blue-blind)

#BE0230

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac3321;
/* rgb */ color: rgb(172, 51, 33);
/* oklch */ color: oklch(50.1% 0.160 31.4);

Tailwind

colors: {
  custom: {
    50: '#cd725e',
    500: '#ac3321',
    950: '#000000',
  },
}

SCSS

$custom: #ac3321;
$custom-light: #cd725e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3321",
  "rgb": {
    "r": 172,
    "g": 51,
    "b": 33
  },
  "hsl": {
    "h": 7.77,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50121,
    "c": 0.16031,
    "h": 31.4
  },
  "luminance": 0.11248
}

Semantic roles & 50–950 ramp

primary

#AC3321

secondary

#62BAC7

accent

#D4EB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC3321

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

Preview Lab → · Contrast checker → · Palette generator →