#AF3737#AF3737

#AF3737 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.156 H 24.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#AF3737
RGB	rgb(175, 55, 55)
HSL	hsl(0, 52%, 45%)
HSV	hsv(0, 69%, 69%)
CMYK	cmyk(0%, 68.6%, 68.6%, 31.4%)
CIE-LAB	lab(41.41, 48.61, 27.78)
CIE-LCH	lch(41.41, 55.99, 29.75°)
OKLab	oklab(51.37% 0.1422 0.0648)
OKLCH	oklch(51.37% 0.156 24.5)
XYZ	xyz(19.7371, 12.1250, 4.9148)
Luminance	0.1212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AF3737 #37AFAF

analogous

#AF3773 #AF3737 #AF7337

triadic

#AF3737 #37AF37 #3737AF

tetradic

#AF3737 #73AF37 #37AFAF #7337AF

square

#AF3737 #73AF37 #37AFAF #7337AF

split-complementary

#AF3737 #37AF73 #3773AF

monochromatic

#521A1A #802828 #AF3737 #CB5959 #D98787

Accessibility & contrast

On white

6.13

#AF3737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#AF3737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AF3737

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AF3737	#FFFFFF	#000000	##FFFFFF
##AF3737	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585136

Deuteranopia (green-blind)

#766B33

Tritanopia (blue-blind)

#C01538

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #af3737;
/* rgb */ color: rgb(175, 55, 55);
/* oklch */ color: oklch(51.4% 0.156 24.5);

Tailwind

colors: {
  custom: {
    50: '#ce756e',
    500: '#af3737',
    950: '#000000',
  },
}

SCSS

$custom: #af3737;
$custom-light: #ce756e;
$custom-dark: #000000;

JSON

{
  "hex": "#af3737",
  "rgb": {
    "r": 175,
    "g": 55,
    "b": 55
  },
  "hsl": {
    "h": 0,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51368,
    "c": 0.1562,
    "h": 24.5
  },
  "luminance": 0.12122
}

Semantic roles & 50–950 ramp

primary

#AF3737

secondary

#7FC3C3

accent

#DCDC4C

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AF3737

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

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