#AD2729#AD2729

#AD2729 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.170 H 25.5°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#AD2729
RGB	rgb(173, 39, 41)
HSL	hsl(359, 63%, 42%)
HSV	hsv(359, 77%, 68%)
CMYK	cmyk(0%, 77.5%, 76.3%, 32.2%)
CIE-LAB	lab(38.72, 53.17, 32.91)
CIE-LCH	lch(38.72, 62.53, 31.75°)
OKLab	oklab(49.23% 0.1538 0.0733)
OKLCH	oklch(49.23% 0.17 25.5)
XYZ	xyz(18.3615, 10.4983, 3.1570)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2729 #27ADAB

analogous

#AD276C #AD2729 #AD6827

triadic

#AD2729 #29AD27 #2729AD

tetradic

#AD2729 #6CAD27 #27ADAB #6827AD

square

#AD2729 #6CAD27 #27ADAB #6827AD

split-complementary

#AD2729 #27AD68 #276CAD

monochromatic

#491011 #7B1C1D #AD2729 #D33E40 #DF7071

Accessibility & contrast

On white

6.78

#AD2729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AD2729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2729

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2729	#FFFFFF	#000000	##FFFFFF
##AD2729	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504927

Deuteranopia (green-blind)

#716624

Tritanopia (blue-blind)

#BF002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2729;
/* rgb */ color: rgb(173, 39, 41);
/* oklch */ color: oklch(49.2% 0.170 25.5);

Tailwind

colors: {
  custom: {
    50: '#ce6d63',
    500: '#ad2729',
    950: '#000000',
  },
}

SCSS

$custom: #ad2729;
$custom-light: #ce6d63;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2729",
  "rgb": {
    "r": 173,
    "g": 39,
    "b": 41
  },
  "hsl": {
    "h": 359.104,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4923,
    "c": 0.17036,
    "h": 25.5
  },
  "luminance": 0.10495
}

Semantic roles & 50–950 ramp

primary

#AD2729

secondary

#6AC6C4

accent

#E6E442

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2729

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

Preview Lab → · Contrast checker → · Palette generator →