#AD2D21#AD2D21

#AD2D21 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.7% C 0.167 H 29.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#AD2D21
RGB	rgb(173, 45, 33)
HSL	hsl(5, 68%, 40%)
HSV	hsv(5, 81%, 68%)
CMYK	cmyk(0%, 74%, 80.9%, 32.2%)
CIE-LAB	lab(39.37, 50.85, 38.12)
CIE-LCH	lch(39.37, 63.55, 36.86°)
OKLab	oklab(49.68% 0.1448 0.0822)
OKLCH	oklch(49.68% 0.167 29.6)
XYZ	xyz(18.4487, 10.8737, 2.5660)
Luminance	0.1087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2D21 #21A1AD

analogous

#AD215B #AD2D21 #AD7321

triadic

#AD2D21 #21AD2D #2D21AD

tetradic

#AD2D21 #5BAD21 #21A1AD #7321AD

square

#AD2D21 #5BAD21 #21A1AD #7321AD

split-complementary

#AD2D21 #21AD73 #215BAD

monochromatic

#46120D #7A2017 #AD2D21 #D84133 #E27166

Accessibility & contrast

On white

6.62

#AD2D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#AD2D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2D21

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2D21	#FFFFFF	#000000	##FFFFFF
##AD2D21	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#73671B

Tritanopia (blue-blind)

#BF002C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2d21;
/* rgb */ color: rgb(173, 45, 33);
/* oklch */ color: oklch(49.7% 0.167 29.6);

Tailwind

colors: {
  custom: {
    50: '#ce705e',
    500: '#ad2d21',
    950: '#000000',
  },
}

SCSS

$custom: #ad2d21;
$custom-light: #ce705e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2d21",
  "rgb": {
    "r": 173,
    "g": 45,
    "b": 33
  },
  "hsl": {
    "h": 5.143,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49683,
    "c": 0.16653,
    "h": 29.6
  },
  "luminance": 0.10871
}

Semantic roles & 50–950 ramp

primary

#AD2D21

secondary

#62BFC7

accent

#DCEB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2D21

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

Preview Lab → · Contrast checker → · Palette generator →