#AF3738#AF3738

#AF3738 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.156 H 24.1°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#AF3738
RGBrgb(175, 55, 56)
HSLhsl(360, 52%, 45%)
HSVhsv(360, 69%, 69%)
CMYKcmyk(0%, 68.6%, 68%, 31.4%)
CIE-LABlab(41.43, 48.67, 27.20)
CIE-LCHlch(41.43, 55.75, 29.20°)
OKLaboklab(51.38% 0.1425 0.0636)
OKLCHoklch(51.38% 0.156 24.1)
XYZxyz(19.7613, 12.1347, 5.0423)
Luminance0.1213 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AF3738 #37AFAE
analogous
#AF3774 #AF3738 #AF7237
triadic
#AF3738 #38AF37 #3738AF
tetradic
#AF3738 #74AF37 #37AFAE #7237AF
square
#AF3738 #74AF37 #37AFAE #7237AF
split-complementary
#AF3738 #37AF72 #3774AF
monochromatic
#521A1A #802829 #AF3738 #CB5959 #D98788

Accessibility & contrast

On white

6.13
#AF3738 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.43
#AF3738 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AF3738
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AF3738#FFFFFF#000000##FFFFFF
##AF37381.006.133.436.13
#FFFFFF6.131.0021.001.00
#0000003.4321.001.0021.00
##FFFFFF6.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#585137
Deuteranopia (green-blind)
#766B34
Tritanopia (blue-blind)
#C01639
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #af3738;
/* rgb */ color: rgb(175, 55, 56);
/* oklch */ color: oklch(51.4% 0.156 24.1);
Tailwind
colors: {
  custom: {
    50: '#ce756e',
    500: '#af3738',
    950: '#000000',
  },
}
SCSS
$custom: #af3738;
$custom-light: #ce756e;
$custom-dark: #000000;
JSON
{
  "hex": "#af3738",
  "rgb": {
    "r": 175,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51384,
    "c": 0.15608,
    "h": 24.1
  },
  "luminance": 0.12132
}

Semantic roles & 50–950 ramp

primary
#AF3738
secondary
#7FC3C3
accent
#DCDA4C
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150907
muted
#837B7A

Preview Lab

Preview with #AF3738

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

Preview Lab → · Contrast checker → · Palette generator →

#AF3738 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva