#AD2A28#AD2A28

#AD2A28 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 26.5°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A28
RGB	rgb(173, 42, 40)
HSL	hsl(1, 62%, 42%)
HSV	hsv(1, 77%, 68%)
CMYK	cmyk(0%, 75.7%, 76.9%, 32.2%)
CIE-LAB	lab(39.06, 52.14, 33.87)
CIE-LCH	lch(39.06, 62.17, 33.00°)
OKLab	oklab(49.48% 0.1503 0.0751)
OKLCH	oklch(49.48% 0.168 26.5)
XYZ	xyz(18.4467, 10.6962, 3.1004)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A28 #28ABAD

analogous

#AD2869 #AD2A28 #AD6D28

triadic

#AD2A28 #28AD2A #2A28AD

tetradic

#AD2A28 #69AD28 #28ABAD #6D28AD

square

#AD2A28 #69AD28 #28ABAD #6D28AD

split-complementary

#AD2A28 #28AD6D #2869AD

monochromatic

#4A1211 #7B1E1D #AD2A28 #D3423F #DE7371

Accessibility & contrast

On white

6.69

#AD2A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AD2A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A28

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A28	#FFFFFF	#000000	##FFFFFF
##AD2A28	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A26

Deuteranopia (green-blind)

#726623

Tritanopia (blue-blind)

#BF002B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a28;
/* rgb */ color: rgb(173, 42, 40);
/* oklch */ color: oklch(49.5% 0.168 26.5);

Tailwind

colors: {
  custom: {
    50: '#ce6e62',
    500: '#ad2a28',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a28;
$custom-light: #ce6e62;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a28",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 40
  },
  "hsl": {
    "h": 0.902,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4948,
    "c": 0.16805,
    "h": 26.5
  },
  "luminance": 0.10693
}

Semantic roles & 50–950 ramp

primary

#AD2A28

secondary

#6CC4C5

accent

#E3E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2A28

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

Preview Lab → · Contrast checker → · Palette generator →