#AD2F37#AD2F37

#AD2F37 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.162 H 22.0°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#AD2F37
RGB	rgb(173, 47, 55)
HSL	hsl(356, 57%, 43%)
HSV	hsv(356, 73%, 68%)
CMYK	cmyk(0%, 72.8%, 68.2%, 32.2%)
CIE-LAB	lab(39.91, 51.07, 25.85)
CIE-LCH	lch(39.91, 57.24, 26.85°)
OKLab	oklab(50.18% 0.1502 0.0606)
OKLCH	oklch(50.18% 0.162 22)
XYZ	xyz(18.9417, 11.1959, 4.7773)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2F37 #2FADA5

analogous

#AD2F76 #AD2F37 #AD662F

triadic

#AD2F37 #37AD2F #2F37AD

tetradic

#AD2F37 #76AD2F #2FADA5 #662FAD

square

#AD2F37 #76AD2F #2FADA5 #662FAD

split-complementary

#AD2F37 #2FAD66 #2F76AD

monochromatic

#4D1518 #7D2228 #AD2F37 #CE4B53 #DB7B81

Accessibility & contrast

On white

6.48

#AD2F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#AD2F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2F37

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2F37	#FFFFFF	#000000	##FFFFFF
##AD2F37	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D36

Deuteranopia (green-blind)

#726833

Tritanopia (blue-blind)

#BE0033

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad2f37;
/* rgb */ color: rgb(173, 47, 55);
/* oklch */ color: oklch(50.2% 0.162 22.0);

Tailwind

colors: {
  custom: {
    50: '#cd716d',
    500: '#ad2f37',
    950: '#000000',
  },
}

SCSS

$custom: #ad2f37;
$custom-light: #cd716d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2f37",
  "rgb": {
    "r": 173,
    "g": 47,
    "b": 55
  },
  "hsl": {
    "h": 356.19,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50176,
    "c": 0.16196,
    "h": 22
  },
  "luminance": 0.11193
}

Semantic roles & 50–950 ramp

primary

#AD2F37

secondary

#74C4BF

accent

#E1D747

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2F37

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

Preview Lab → · Contrast checker → · Palette generator →