#AD2A31#AD2A31

#AD2A31 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 23.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A31
RGB	rgb(173, 42, 49)
HSL	hsl(357, 61%, 42%)
HSV	hsv(357, 76%, 68%)
CMYK	cmyk(0%, 75.7%, 71.7%, 32.2%)
CIE-LAB	lab(39.18, 52.53, 28.64)
CIE-LCH	lch(39.18, 59.83, 28.60°)
OKLab	oklab(49.61% 0.1535 0.0657)
OKLCH	oklch(49.61% 0.167 23.2)
XYZ	xyz(18.6180, 10.7648, 4.0026)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A31 #2AADA6

analogous

#AD2A73 #AD2A31 #AD652A

triadic

#AD2A31 #31AD2A #2A31AD

tetradic

#AD2A31 #73AD2A #2AADA6 #652AAD

square

#AD2A31 #73AD2A #2AADA6 #652AAD

split-complementary

#AD2A31 #2AAD65 #2A73AD

monochromatic

#4B1215 #7C1E23 #AD2A31 #D1434A #DD747A

Accessibility & contrast

On white

6.66

#AD2A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AD2A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A31

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A31	#FFFFFF	#000000	##FFFFFF
##AD2A31	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A30

Deuteranopia (green-blind)

#71662D

Tritanopia (blue-blind)

#BE002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a31;
/* rgb */ color: rgb(173, 42, 49);
/* oklch */ color: oklch(49.6% 0.167 23.2);

Tailwind

colors: {
  custom: {
    50: '#ce6f69',
    500: '#ad2a31',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a31;
$custom-light: #ce6f69;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a31",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 49
  },
  "hsl": {
    "h": 356.794,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49605,
    "c": 0.16702,
    "h": 23.2
  },
  "luminance": 0.10762
}

Semantic roles & 50–950 ramp

primary

#AD2A31

secondary

#6EC5C0

accent

#E4DB44

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AD2A31

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

Preview Lab → · Contrast checker → · Palette generator →