#AC3840#AC3840

#AC3840 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.151 H 20.4°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#AC3840
RGB	rgb(172, 56, 64)
HSL	hsl(356, 51%, 45%)
HSV	hsv(356, 67%, 67%)
CMYK	cmyk(0%, 67.4%, 62.8%, 32.5%)
CIE-LAB	lab(41.17, 47.73, 21.87)
CIE-LCH	lch(41.17, 52.51, 24.62°)
OKLab	oklab(51.13% 0.1416 0.0527)
OKLCH	oklch(51.13% 0.151 20.4)
XYZ	xyz(19.3548, 11.9719, 6.1411)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3840 #38ACA4

analogous

#AC387A #AC3840 #AC6A38

triadic

#AC3840 #40AC38 #3840AC

tetradic

#AC3840 #7AAC38 #38ACA4 #6A38AC

square

#AC3840 #7AAC38 #38ACA4 #6A38AC

split-complementary

#AC3840 #38AC6A #387AAC

monochromatic

#501A1E #7E292F #AC3840 #C95860 #D8878C

Accessibility & contrast

On white

6.19

#AC3840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#AC3840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3840

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3840	#FFFFFF	#000000	##FFFFFF
##AC3840	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56523F

Deuteranopia (green-blind)

#746A3D

Tritanopia (blue-blind)

#BC1D3C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3840;
/* rgb */ color: rgb(172, 56, 64);
/* oklch */ color: oklch(51.1% 0.151 20.4);

Tailwind

colors: {
  custom: {
    50: '#cb7574',
    500: '#ac3840',
    950: '#000000',
  },
}

SCSS

$custom: #ac3840;
$custom-light: #cb7574;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3840",
  "rgb": {
    "r": 172,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 355.862,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51133,
    "c": 0.15103,
    "h": 20.4
  },
  "luminance": 0.11969
}

Semantic roles & 50–950 ramp

primary

#AC3840

secondary

#7EC2BD

accent

#DAD14D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC3840

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

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