#AD2B3B#AD2B3B

#AD2B3B is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.165 H 19.1°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B3B
RGB	rgb(173, 43, 59)
HSL	hsl(353, 60%, 42%)
HSV	hsv(353, 75%, 68%)
CMYK	cmyk(0%, 75.1%, 65.9%, 32.2%)
CIE-LAB	lab(39.46, 52.72, 22.82)
CIE-LCH	lch(39.46, 57.45, 23.41°)
OKLab	oklab(49.87% 0.1563 0.0543)
OKLCH	oklch(49.87% 0.165 19.1)
XYZ	xyz(18.8889, 10.9306, 5.2520)
Luminance	0.1093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B3B #2BAD9D

analogous

#AD2B7C #AD2B3B #AD5C2B

triadic

#AD2B3B #3BAD2B #2B3BAD

tetradic

#AD2B3B #7CAD2B #2BAD9D #5C2BAD

square

#AD2B3B #7CAD2B #2BAD9D #5C2BAD

split-complementary

#AD2B3B #2BAD5C #2B7CAD

monochromatic

#4B131A #7C1F2A #AD2B3B #D14556 #DD7682

Accessibility & contrast

On white

6.59

#AD2B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#AD2B3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B3B

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B3B	#FFFFFF	#000000	##FFFFFF
##AD2B3B	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B3B

Deuteranopia (green-blind)

#716737

Tritanopia (blue-blind)

#BE0032

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2b3b;
/* rgb */ color: rgb(173, 43, 59);
/* oklch */ color: oklch(49.9% 0.165 19.1);

Tailwind

colors: {
  custom: {
    50: '#cd6f70',
    500: '#ad2b3b',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b3b;
$custom-light: #cd6f70;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b3b",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 59
  },
  "hsl": {
    "h": 352.615,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49866,
    "c": 0.16546,
    "h": 19.1
  },
  "luminance": 0.10928
}

Semantic roles & 50–950 ramp

primary

#AD2B3B

secondary

#6FC4BA

accent

#E3D044

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2B3B

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

Preview Lab → · Contrast checker → · Palette generator →