#AD313A#AD313A

#AD313A is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.160 H 21.2°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#AD313A
RGB	rgb(173, 49, 58)
HSL	hsl(356, 56%, 44%)
HSV	hsv(356, 72%, 68%)
CMYK	cmyk(0%, 71.7%, 66.5%, 32.2%)
CIE-LAB	lab(40.23, 50.49, 24.41)
CIE-LCH	lch(40.23, 56.08, 25.80°)
OKLab	oklab(50.43% 0.149 0.0577)
OKLCH	oklch(50.43% 0.16 21.2)
XYZ	xyz(19.0976, 11.3891, 5.1949)
Luminance	0.1139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD313A #31ADA4

analogous

#AD3178 #AD313A #AD6631

triadic

#AD313A #3AAD31 #313AAD

tetradic

#AD313A #78AD31 #31ADA4 #6631AD

square

#AD313A #78AD31 #31ADA4 #6631AD

split-complementary

#AD313A #31AD66 #3178AD

monochromatic

#4E161A #7D232A #AD313A #CD4E57 #DA7E85

Accessibility & contrast

On white

6.41

#AD313A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AD313A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD313A

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD313A	#FFFFFF	#000000	##FFFFFF
##AD313A	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E39

Deuteranopia (green-blind)

#736836

Tritanopia (blue-blind)

#BE0735

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad313a;
/* rgb */ color: rgb(173, 49, 58);
/* oklch */ color: oklch(50.4% 0.160 21.2);

Tailwind

colors: {
  custom: {
    50: '#cd7270',
    500: '#ad313a',
    950: '#000000',
  },
}

SCSS

$custom: #ad313a;
$custom-light: #cd7270;
$custom-dark: #000000;

JSON

{
  "hex": "#ad313a",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 355.645,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5043,
    "c": 0.15978,
    "h": 21.2
  },
  "luminance": 0.11386
}

Semantic roles & 50–950 ramp

primary

#AD313A

secondary

#77C3BE

accent

#DFD449

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD313A

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

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