#AD2F31#AD2F31

#AD2F31 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.1% C 0.163 H 24.5°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#AD2F31
RGB	rgb(173, 47, 49)
HSL	hsl(359, 57%, 43%)
HSV	hsv(359, 73%, 68%)
CMYK	cmyk(0%, 72.8%, 71.7%, 32.2%)
CIE-LAB	lab(39.82, 50.76, 29.39)
CIE-LCH	lch(39.82, 58.66, 30.07°)
OKLab	oklab(50.08% 0.1479 0.0674)
OKLCH	oklch(50.08% 0.163 24.5)
XYZ	xyz(18.8066, 11.1419, 4.0655)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2F31 #2FADAB

analogous

#AD2F70 #AD2F31 #AD6C2F

triadic

#AD2F31 #31AD2F #2F31AD

tetradic

#AD2F31 #70AD2F #2FADAB #6C2FAD

square

#AD2F31 #70AD2F #2FADAB #6C2FAD

split-complementary

#AD2F31 #2FAD6C #2F70AD

monochromatic

#4D1516 #7D2223 #AD2F31 #CE4B4D #DB7B7D

Accessibility & contrast

On white

6.51

#AD2F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#AD2F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2F31

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2F31	#FFFFFF	#000000	##FFFFFF
##AD2F31	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D30

Deuteranopia (green-blind)

#73682D

Tritanopia (blue-blind)

#BE0031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad2f31;
/* rgb */ color: rgb(173, 47, 49);
/* oklch */ color: oklch(50.1% 0.163 24.5);

Tailwind

colors: {
  custom: {
    50: '#cd7169',
    500: '#ad2f31',
    950: '#000000',
  },
}

SCSS

$custom: #ad2f31;
$custom-light: #cd7169;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2f31",
  "rgb": {
    "r": 173,
    "g": 47,
    "b": 49
  },
  "hsl": {
    "h": 359.048,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5008,
    "c": 0.16255,
    "h": 24.5
  },
  "luminance": 0.11139
}

Semantic roles & 50–950 ramp

primary

#AD2F31

secondary

#74C4C2

accent

#E1DE47

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AD2F31

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

Preview Lab → · Contrast checker → · Palette generator →