#AD2B3F#AD2B3F

#AD2B3F is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.165 H 17.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B3F
RGB	rgb(173, 43, 63)
HSL	hsl(351, 60%, 42%)
HSV	hsv(351, 75%, 68%)
CMYK	cmyk(0%, 75.1%, 63.6%, 32.2%)
CIE-LAB	lab(39.54, 52.96, 20.42)
CIE-LCH	lch(39.54, 56.76, 21.08°)
OKLab	oklab(49.94% 0.1579 0.0492)
OKLCH	oklch(49.94% 0.165 17.3)
XYZ	xyz(18.9966, 10.9737, 5.8195)
Luminance	0.1097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B3F #2BAD99

analogous

#AD2B80 #AD2B3F #AD582B

triadic

#AD2B3F #3FAD2B #2B3FAD

tetradic

#AD2B3F #80AD2B #2BAD99 #582BAD

square

#AD2B3F #80AD2B #2BAD99 #582BAD

split-complementary

#AD2B3F #2BAD58 #2B80AD

monochromatic

#4B131B #7C1F2D #AD2B3F #D1455A #DD7685

Accessibility & contrast

On white

6.57

#AD2B3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#AD2B3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B3F

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B3F	#FFFFFF	#000000	##FFFFFF
##AD2B3F	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4C3F

Deuteranopia (green-blind)

#70673B

Tritanopia (blue-blind)

#BE0034

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2b3f;
/* rgb */ color: rgb(173, 43, 63);
/* oklch */ color: oklch(49.9% 0.165 17.3);

Tailwind

colors: {
  custom: {
    50: '#cd6f73',
    500: '#ad2b3f',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b3f;
$custom-light: #cd6f73;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b3f",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 63
  },
  "hsl": {
    "h": 350.769,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49944,
    "c": 0.16539,
    "h": 17.3
  },
  "luminance": 0.10971
}

Semantic roles & 50–950 ramp

primary

#AD2B3F

secondary

#6FC4B7

accent

#E3CB44

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AD2B3F

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

Preview Lab → · Contrast checker → · Palette generator →