#AD2E2B#AD2E2B

#AD2E2B is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.164 H 26.5°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#AD2E2B
RGB	rgb(173, 46, 43)
HSL	hsl(1, 60%, 42%)
HSV	hsv(1, 75%, 68%)
CMYK	cmyk(0%, 73.4%, 75.1%, 32.2%)
CIE-LAB	lab(39.61, 50.86, 32.71)
CIE-LCH	lch(39.61, 60.47, 32.75°)
OKLab	oklab(49.9% 0.1469 0.0734)
OKLCH	oklch(49.9% 0.164 26.5)
XYZ	xyz(18.6488, 11.0155, 3.4293)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2E2B #2BAAAD

analogous

#AD2B69 #AD2E2B #AD6F2B

triadic

#AD2E2B #2BAD2E #2E2BAD

tetradic

#AD2E2B #69AD2B #2BAAAD #6F2BAD

square

#AD2E2B #69AD2B #2BAAAD #6F2BAD

split-complementary

#AD2E2B #2BAD6F #2B69AD

monochromatic

#4B1413 #7C211F #AD2E2B #D14845 #DD7876

Accessibility & contrast

On white

6.56

#AD2E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#AD2E2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2E2B

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2E2B	#FFFFFF	#000000	##FFFFFF
##AD2E2B	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C29

Deuteranopia (green-blind)

#736726

Tritanopia (blue-blind)

#BF002F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2e2b;
/* rgb */ color: rgb(173, 46, 43);
/* oklch */ color: oklch(49.9% 0.164 26.5);

Tailwind

colors: {
  custom: {
    50: '#ce7065',
    500: '#ad2e2b',
    950: '#000000',
  },
}

SCSS

$custom: #ad2e2b;
$custom-light: #ce7065;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2e2b",
  "rgb": {
    "r": 173,
    "g": 46,
    "b": 43
  },
  "hsl": {
    "h": 1.385,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49896,
    "c": 0.16422,
    "h": 26.5
  },
  "luminance": 0.11013
}

Semantic roles & 50–950 ramp

primary

#AD2E2B

secondary

#6FC3C4

accent

#E0E344

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD2E2B

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

Preview Lab → · Contrast checker → · Palette generator →