#AC3645#AC3645

#AC3645 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.153 H 17.2°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#AC3645
RGB	rgb(172, 54, 69)
HSL	hsl(352, 52%, 44%)
HSV	hsv(352, 69%, 67%)
CMYK	cmyk(0%, 68.6%, 59.9%, 32.5%)
CIE-LAB	lab(40.96, 48.90, 18.50)
CIE-LCH	lch(40.96, 52.29, 20.72°)
OKLab	oklab(51.01% 0.1462 0.0453)
OKLCH	oklch(51.01% 0.153 17.2)
XYZ	xyz(19.4085, 11.8413, 6.8927)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3645 #36AC9D

analogous

#AC3680 #AC3645 #AC6236

triadic

#AC3645 #45AC36 #3645AC

tetradic

#AC3645 #80AC36 #36AC9D #6236AC

square

#AC3645 #80AC36 #36AC9D #6236AC

split-complementary

#AC3645 #36AC62 #3680AC

monochromatic

#4F1920 #7D2732 #AC3645 #CA5564 #D8848F

Accessibility & contrast

On white

6.24

#AC3645 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AC3645 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3645

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3645	#FFFFFF	#000000	##FFFFFF
##AC3645	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545145

Deuteranopia (green-blind)

#726A42

Tritanopia (blue-blind)

#BC1B3C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3645;
/* rgb */ color: rgb(172, 54, 69);
/* oklch */ color: oklch(51.0% 0.153 17.2);

Tailwind

colors: {
  custom: {
    50: '#cb7578',
    500: '#ac3645',
    950: '#000000',
  },
}

SCSS

$custom: #ac3645;
$custom-light: #cb7578;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3645",
  "rgb": {
    "r": 172,
    "g": 54,
    "b": 69
  },
  "hsl": {
    "h": 352.373,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51009,
    "c": 0.15306,
    "h": 17.2
  },
  "luminance": 0.11839
}

Semantic roles & 50–950 ramp

primary

#AC3645

secondary

#7CC2B9

accent

#DCC94C

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140909

muted

#837B7B

Preview Lab

Preview with #AC3645

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

Preview Lab → · Contrast checker → · Palette generator →