#AD313D#AD313D

#AD313D is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.160 H 19.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#AD313D
RGB	rgb(173, 49, 61)
HSL	hsl(354, 56%, 44%)
HSV	hsv(354, 72%, 68%)
CMYK	cmyk(0%, 71.7%, 64.7%, 32.2%)
CIE-LAB	lab(40.28, 50.67, 22.62)
CIE-LCH	lch(40.28, 55.49, 24.06°)
OKLab	oklab(50.49% 0.1502 0.054)
OKLCH	oklch(50.49% 0.16 19.8)
XYZ	xyz(19.1762, 11.4206, 5.6086)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD313D #31ADA1

analogous

#AD317B #AD313D #AD6331

triadic

#AD313D #3DAD31 #313DAD

tetradic

#AD313D #7BAD31 #31ADA1 #6331AD

square

#AD313D #7BAD31 #31ADA1 #6331AD

split-complementary

#AD313D #31AD63 #317BAD

monochromatic

#4E161B #7D232C #AD313D #CD4E5B #DA7E87

Accessibility & contrast

On white

6.40

#AD313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AD313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD313D

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD313D	#FFFFFF	#000000	##FFFFFF
##AD313D	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)

#534E3D

Deuteranopia (green-blind)

#726939

Tritanopia (blue-blind)

#BE0936

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad313d;
/* rgb */ color: rgb(173, 49, 61);
/* oklch */ color: oklch(50.5% 0.160 19.8);

Tailwind

colors: {
  custom: {
    50: '#cc7272',
    500: '#ad313d',
    950: '#000000',
  },
}

SCSS

$custom: #ad313d;
$custom-light: #cc7272;
$custom-dark: #000000;

JSON

{
  "hex": "#ad313d",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 354.194,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50485,
    "c": 0.15961,
    "h": 19.8
  },
  "luminance": 0.11418
}

Semantic roles & 50–950 ramp

primary

#AD313D

secondary

#77C3BC

accent

#DFD149

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150808

muted

#837B7B

Preview Lab

Preview with #AD313D

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

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