#AF3937#AF3937

#AF3937 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.154 H 25.2°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#AF3937
RGB	rgb(175, 57, 55)
HSL	hsl(1, 52%, 45%)
HSV	hsv(1, 69%, 69%)
CMYK	cmyk(0%, 67.4%, 68.6%, 31.4%)
CIE-LAB	lab(41.72, 47.78, 28.15)
CIE-LCH	lch(41.72, 55.46, 30.50°)
OKLab	oklab(51.6% 0.1395 0.0656)
OKLCH	oklch(51.6% 0.154 25.2)
XYZ	xyz(19.8340, 12.3189, 4.9471)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AF3937 #37ADAF

analogous

#AF3771 #AF3937 #AF7537

triadic

#AF3937 #37AF39 #3937AF

tetradic

#AF3937 #71AF37 #37ADAF #7537AF

square

#AF3937 #71AF37 #37ADAF #7537AF

split-complementary

#AF3937 #37AF75 #3771AF

monochromatic

#521B1A #802A28 #AF3937 #CB5A59 #D98887

Accessibility & contrast

On white

6.06

#AF3937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#AF3937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AF3937

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AF3937	#FFFFFF	#000000	##FFFFFF
##AF3937	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595236

Deuteranopia (green-blind)

#776C33

Tritanopia (blue-blind)

#C01A3A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #af3937;
/* rgb */ color: rgb(175, 57, 55);
/* oklch */ color: oklch(51.6% 0.154 25.2);

Tailwind

colors: {
  custom: {
    50: '#ce766e',
    500: '#af3937',
    950: '#000000',
  },
}

SCSS

$custom: #af3937;
$custom-light: #ce766e;
$custom-dark: #000000;

JSON

{
  "hex": "#af3937",
  "rgb": {
    "r": 175,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 1,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51596,
    "c": 0.15417,
    "h": 25.2
  },
  "luminance": 0.12316
}

Semantic roles & 50–950 ramp

primary

#AF3937

secondary

#7FC2C3

accent

#D9DC4C

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AF3937

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

Preview Lab → · Contrast checker → · Palette generator →