#AD2829#AD2829

#AD2829 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.170 H 25.7°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#AD2829
RGB	rgb(173, 40, 41)
HSL	hsl(360, 62%, 42%)
HSV	hsv(360, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 76.3%, 32.2%)
CIE-LAB	lab(38.84, 52.85, 33.03)
CIE-LCH	lch(38.84, 62.32, 32.01°)
OKLab	oklab(49.32% 0.1528 0.0735)
OKLCH	oklch(49.32% 0.17 25.7)
XYZ	xyz(18.3948, 10.5648, 3.1680)
Luminance	0.1056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2829 #28ADAC

analogous

#AD286C #AD2829 #AD6A28

triadic

#AD2829 #29AD28 #2829AD

tetradic

#AD2829 #6CAD28 #28ADAC #6A28AD

square

#AD2829 #6CAD28 #28ADAC #6A28AD

split-complementary

#AD2829 #28AD6A #286CAD

monochromatic

#4A1111 #7B1D1D #AD2829 #D33F41 #DE7172

Accessibility & contrast

On white

6.75

#AD2829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AD2829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2829

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2829	#FFFFFF	#000000	##FFFFFF
##AD2829	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514927

Deuteranopia (green-blind)

#726624

Tritanopia (blue-blind)

#BF002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2829;
/* rgb */ color: rgb(173, 40, 41);
/* oklch */ color: oklch(49.3% 0.170 25.7);

Tailwind

colors: {
  custom: {
    50: '#ce6e63',
    500: '#ad2829',
    950: '#000000',
  },
}

SCSS

$custom: #ad2829;
$custom-light: #ce6e63;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2829",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 41
  },
  "hsl": {
    "h": 359.549,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49316,
    "c": 0.16956,
    "h": 25.7
  },
  "luminance": 0.10562
}

Semantic roles & 50–950 ramp

primary

#AD2829

secondary

#6CC5C5

accent

#E6E442

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2829

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

Preview Lab → · Contrast checker → · Palette generator →