#AC321F#AC321F

#AC321F is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.0% C 0.162 H 31.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#AC321F
RGB	rgb(172, 50, 31)
HSL	hsl(8, 69%, 40%)
HSV	hsv(8, 82%, 67%)
CMYK	cmyk(0%, 70.9%, 82%, 32.5%)
CIE-LAB	lab(39.84, 48.58, 39.58)
CIE-LCH	lch(39.84, 62.66, 39.17°)
OKLab	oklab(49.99% 0.1375 0.0848)
OKLCH	oklch(49.99% 0.162 31.7)
XYZ	xyz(18.4033, 11.1536, 2.4799)
Luminance	0.1115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC321F #1F99AC

analogous

#AC1F53 #AC321F #AC781F

triadic

#AC321F #1FAC32 #321FAC

tetradic

#AC321F #53AC1F #1F99AC #781FAC

square

#AC321F #53AC1F #1F99AC #781FAC

split-complementary

#AC321F #1FAC78 #1F53AC

monochromatic

#44140C #782316 #AC321F #D9462F #E37463

Accessibility & contrast

On white

6.50

#AC321F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#AC321F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC321F

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC321F	#FFFFFF	#000000	##FFFFFF
##AC321F	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D1B

Deuteranopia (green-blind)

#746819

Tritanopia (blue-blind)

#BE002F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac321f;
/* rgb */ color: rgb(172, 50, 31);
/* oklch */ color: oklch(50.0% 0.162 31.7);

Tailwind

colors: {
  custom: {
    50: '#ce725d',
    500: '#ac321f',
    950: '#000000',
  },
}

SCSS

$custom: #ac321f;
$custom-light: #ce725d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac321f",
  "rgb": {
    "r": 172,
    "g": 50,
    "b": 31
  },
  "hsl": {
    "h": 8.085,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49994,
    "c": 0.16154,
    "h": 31.7
  },
  "luminance": 0.11151
}

Semantic roles & 50–950 ramp

primary

#AC321F

secondary

#5FBAC8

accent

#D4EC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC321F

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

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