#AF3F28#AF3F28

#AF3F28 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.1% C 0.151 H 33.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#AF3F28
RGB	rgb(175, 63, 40)
HSL	hsl(10, 63%, 42%)
HSV	hsv(10, 77%, 69%)
CMYK	cmyk(0%, 64%, 77.1%, 31.4%)
CIE-LAB	lab(42.50, 44.46, 37.65)
CIE-LCH	lch(42.50, 58.26, 40.26°)
OKLab	oklab(52.12% 0.1261 0.0832)
OKLCH	oklch(52.12% 0.151 33.4)
XYZ	xyz(19.8419, 12.8250, 3.4377)
Luminance	0.1282 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AF3F28 #2898AF

analogous

#AF2855 #AF3F28 #AF8328

triadic

#AF3F28 #28AF3F #3F28AF

tetradic

#AF3F28 #55AF28 #2898AF #8328AF

square

#AF3F28 #55AF28 #2898AF #8328AF

split-complementary

#AF3F28 #28AF83 #2855AF

monochromatic

#4B1B11 #7D2D1D #AF3F28 #D45A41 #DF8573

Accessibility & contrast

On white

5.89

#AF3F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#AF3F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AF3F28

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AF3F28	#FFFFFF	#000000	##FFFFFF
##AF3F28	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5525

Deuteranopia (green-blind)

#7A6E24

Tritanopia (blue-blind)

#C1223A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #af3f28;
/* rgb */ color: rgb(175, 63, 40);
/* oklch */ color: oklch(52.1% 0.151 33.4);

Tailwind

colors: {
  custom: {
    50: '#cf7963',
    500: '#af3f28',
    950: '#000000',
  },
}

SCSS

$custom: #af3f28;
$custom-light: #cf7963;
$custom-dark: #000000;

JSON

{
  "hex": "#af3f28",
  "rgb": {
    "r": 175,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 10.222,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52121,
    "c": 0.15103,
    "h": 33.4
  },
  "luminance": 0.12822
}

Semantic roles & 50–950 ramp

primary

#AF3F28

secondary

#6DB7C6

accent

#CAE642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AF3F28

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

Preview Lab → · Contrast checker → · Palette generator →