#AF3739#AF3739

#AF3739 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.156 H 23.6°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#AF3739
RGB	rgb(175, 55, 57)
HSL	hsl(359, 52%, 45%)
HSV	hsv(359, 69%, 69%)
CMYK	cmyk(0%, 68.6%, 67.4%, 31.4%)
CIE-LAB	lab(41.45, 48.72, 26.61)
CIE-LCH	lch(41.45, 55.52, 28.64°)
OKLab	oklab(51.4% 0.1429 0.0624)
OKLCH	oklch(51.4% 0.156 23.6)
XYZ	xyz(19.7860, 12.1446, 5.1724)
Luminance	0.1214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AF3739 #37AFAD

analogous

#AF3775 #AF3739 #AF7137

triadic

#AF3739 #39AF37 #3739AF

tetradic

#AF3739 #75AF37 #37AFAD #7137AF

square

#AF3739 #75AF37 #37AFAD #7137AF

split-complementary

#AF3739 #37AF71 #3775AF

monochromatic

#521A1B #80282A #AF3739 #CB595A #D98788

Accessibility & contrast

On white

6.13

#AF3739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AF3739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AF3739

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AF3739	#FFFFFF	#000000	##FFFFFF
##AF3739	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585138

Deuteranopia (green-blind)

#766B35

Tritanopia (blue-blind)

#C01639

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #af3739;
/* rgb */ color: rgb(175, 55, 57);
/* oklch */ color: oklch(51.4% 0.156 23.6);

Tailwind

colors: {
  custom: {
    50: '#ce756f',
    500: '#af3739',
    950: '#000000',
  },
}

SCSS

$custom: #af3739;
$custom-light: #ce756f;
$custom-dark: #000000;

JSON

{
  "hex": "#af3739",
  "rgb": {
    "r": 175,
    "g": 55,
    "b": 57
  },
  "hsl": {
    "h": 359,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51401,
    "c": 0.15596,
    "h": 23.6
  },
  "luminance": 0.12142
}

Semantic roles & 50–950 ramp

primary

#AF3739

secondary

#7FC3C2

accent

#DCD94C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AF3739

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

Preview Lab → · Contrast checker → · Palette generator →