#AC3642#AC3642

#AC3642 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.153 H 18.7°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#AC3642
RGB	rgb(172, 54, 66)
HSL	hsl(354, 52%, 44%)
HSV	hsv(354, 69%, 67%)
CMYK	cmyk(0%, 68.6%, 61.6%, 32.5%)
CIE-LAB	lab(40.90, 48.70, 20.29)
CIE-LCH	lch(40.90, 52.75, 22.62°)
OKLab	oklab(50.95% 0.145 0.0492)
OKLCH	oklch(50.95% 0.153 18.7)
XYZ	xyz(19.3177, 11.8050, 6.4146)
Luminance	0.1180 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3642 #36ACA0

analogous

#AC367D #AC3642 #AC6536

triadic

#AC3642 #42AC36 #3642AC

tetradic

#AC3642 #7DAC36 #36ACA0 #6536AC

square

#AC3642 #7DAC36 #36ACA0 #6536AC

split-complementary

#AC3642 #36AC65 #367DAC

monochromatic

#4F191E #7D2730 #AC3642 #CA5561 #D8848D

Accessibility & contrast

On white

6.25

#AC3642 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#AC3642 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3642

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3642	#FFFFFF	#000000	##FFFFFF
##AC3642	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555142

Deuteranopia (green-blind)

#736A3F

Tritanopia (blue-blind)

#BC1A3B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3642;
/* rgb */ color: rgb(172, 54, 66);
/* oklch */ color: oklch(50.9% 0.153 18.7);

Tailwind

colors: {
  custom: {
    50: '#cb7476',
    500: '#ac3642',
    950: '#000000',
  },
}

SCSS

$custom: #ac3642;
$custom-light: #cb7476;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3642",
  "rgb": {
    "r": 172,
    "g": 54,
    "b": 66
  },
  "hsl": {
    "h": 353.898,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50946,
    "c": 0.15311,
    "h": 18.7
  },
  "luminance": 0.11802
}

Semantic roles & 50–950 ramp

primary

#AC3642

secondary

#7CC2BB

accent

#DCCD4C

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC3642

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

Preview Lab → · Contrast checker → · Palette generator →