#AF3637#AF3637

#AF3637 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.157 H 24.2°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#AF3637
RGB	rgb(175, 54, 55)
HSL	hsl(360, 53%, 45%)
HSV	hsv(360, 69%, 69%)
CMYK	cmyk(0%, 69.1%, 68.6%, 31.4%)
CIE-LAB	lab(41.27, 49.02, 27.60)
CIE-LCH	lch(41.27, 56.25, 29.38°)
OKLab	oklab(51.26% 0.1434 0.0644)
OKLCH	oklch(51.26% 0.157 24.2)
XYZ	xyz(19.6900, 12.0310, 4.8991)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AF3637 #36AFAE

analogous

#AF3674 #AF3637 #AF7136

triadic

#AF3637 #37AF36 #3637AF

tetradic

#AF3637 #74AF36 #36AFAE #7136AF

square

#AF3637 #74AF36 #36AFAE #7136AF

split-complementary

#AF3637 #36AF71 #3674AF

monochromatic

#51191A #802828 #AF3637 #CB5758 #DA8686

Accessibility & contrast

On white

6.17

#AF3637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AF3637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AF3637

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AF3637	#FFFFFF	#000000	##FFFFFF
##AF3637	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575136

Deuteranopia (green-blind)

#766B33

Tritanopia (blue-blind)

#C01338

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #af3637;
/* rgb */ color: rgb(175, 54, 55);
/* oklch */ color: oklch(51.3% 0.157 24.2);

Tailwind

colors: {
  custom: {
    50: '#ce756e',
    500: '#af3637',
    950: '#000000',
  },
}

SCSS

$custom: #af3637;
$custom-light: #ce756e;
$custom-dark: #000000;

JSON

{
  "hex": "#af3637",
  "rgb": {
    "r": 175,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.504,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51257,
    "c": 0.15721,
    "h": 24.2
  },
  "luminance": 0.12028
}

Semantic roles & 50–950 ramp

primary

#AF3637

secondary

#7DC3C3

accent

#DCDB4C

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AF3637

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

Preview Lab → · Contrast checker → · Palette generator →