#AD2831#AD2831

#AD2831 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.169 H 22.7°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#AD2831
RGB	rgb(173, 40, 49)
HSL	hsl(356, 62%, 42%)
HSV	hsv(356, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 71.7%, 32.2%)
CIE-LAB	lab(38.94, 53.19, 28.36)
CIE-LCH	lch(38.94, 60.28, 28.06°)
OKLab	oklab(49.43% 0.1557 0.0651)
OKLCH	oklch(49.43% 0.169 22.7)
XYZ	xyz(18.5489, 10.6264, 3.9796)
Luminance	0.1062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2831 #28ADA4

analogous

#AD2874 #AD2831 #AD6228

triadic

#AD2831 #31AD28 #2831AD

tetradic

#AD2831 #74AD28 #28ADA4 #6228AD

square

#AD2831 #74AD28 #28ADA4 #6228AD

split-complementary

#AD2831 #28AD62 #2874AD

monochromatic

#4A1115 #7B1D23 #AD2831 #D33F49 #DE7179

Accessibility & contrast

On white

6.72

#AD2831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AD2831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2831

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2831	#FFFFFF	#000000	##FFFFFF
##AD2831	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A30

Deuteranopia (green-blind)

#71662D

Tritanopia (blue-blind)

#BE002D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2831;
/* rgb */ color: rgb(173, 40, 49);
/* oklch */ color: oklch(49.4% 0.169 22.7);

Tailwind

colors: {
  custom: {
    50: '#ce6e69',
    500: '#ad2831',
    950: '#000000',
  },
}

SCSS

$custom: #ad2831;
$custom-light: #ce6e69;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2831",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 49
  },
  "hsl": {
    "h": 355.94,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49429,
    "c": 0.16872,
    "h": 22.7
  },
  "luminance": 0.10624
}

Semantic roles & 50–950 ramp

primary

#AD2831

secondary

#6CC5BF

accent

#E6DA42

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AD2831

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

Preview Lab → · Contrast checker → · Palette generator →