#AD313C#AD313C

#AD313C is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.160 H 20.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#AD313C
RGB	rgb(173, 49, 60)
HSL	hsl(355, 56%, 44%)
HSV	hsv(355, 72%, 68%)
CMYK	cmyk(0%, 71.7%, 65.3%, 32.2%)
CIE-LAB	lab(40.26, 50.61, 23.22)
CIE-LCH	lch(40.26, 55.68, 24.64°)
OKLab	oklab(50.47% 0.1498 0.0553)
OKLCH	oklch(50.47% 0.16 20.3)
XYZ	xyz(19.1495, 11.4099, 5.4681)
Luminance	0.1141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD313C #31ADA2

analogous

#AD317A #AD313C #AD6431

triadic

#AD313C #3CAD31 #313CAD

tetradic

#AD313C #7AAD31 #31ADA2 #6431AD

square

#AD313C #7AAD31 #31ADA2 #6431AD

split-complementary

#AD313C #31AD64 #317AAD

monochromatic

#4E161B #7D232B #AD313C #CD4E59 #DA7E86

Accessibility & contrast

On white

6.40

#AD313C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AD313C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD313C

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD313C	#FFFFFF	#000000	##FFFFFF
##AD313C	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3B

Deuteranopia (green-blind)

#726838

Tritanopia (blue-blind)

#BE0836

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad313c;
/* rgb */ color: rgb(173, 49, 60);
/* oklch */ color: oklch(50.5% 0.160 20.3);

Tailwind

colors: {
  custom: {
    50: '#cd7271',
    500: '#ad313c',
    950: '#000000',
  },
}

SCSS

$custom: #ad313c;
$custom-light: #cd7271;
$custom-dark: #000000;

JSON

{
  "hex": "#ad313c",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 60
  },
  "hsl": {
    "h": 354.677,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50466,
    "c": 0.15966,
    "h": 20.3
  },
  "luminance": 0.11407
}

Semantic roles & 50–950 ramp

primary

#AD313C

secondary

#77C3BC

accent

#DFD249

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD313C

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

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