#AD2E28#AD2E28

#AD2E28 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.165 H 27.6°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#AD2E28
RGB	rgb(173, 46, 40)
HSL	hsl(3, 62%, 42%)
HSV	hsv(3, 77%, 68%)
CMYK	cmyk(0%, 73.4%, 76.9%, 32.2%)
CIE-LAB	lab(39.57, 50.74, 34.41)
CIE-LCH	lch(39.57, 61.31, 34.15°)
OKLab	oklab(49.86% 0.1459 0.0763)
OKLCH	oklch(49.86% 0.165 27.6)
XYZ	xyz(18.5957, 10.9943, 3.1500)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2E28 #28A7AD

analogous

#AD2865 #AD2E28 #AD7128

triadic

#AD2E28 #28AD2E #2E28AD

tetradic

#AD2E28 #65AD28 #28A7AD #7128AD

square

#AD2E28 #65AD28 #28A7AD #7128AD

split-complementary

#AD2E28 #28AD71 #2865AD

monochromatic

#4A1411 #7B211D #AD2E28 #D3463F #DE7671

Accessibility & contrast

On white

6.57

#AD2E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#AD2E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2E28

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2E28	#FFFFFF	#000000	##FFFFFF
##AD2E28	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C26

Deuteranopia (green-blind)

#736723

Tritanopia (blue-blind)

#BF002E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2e28;
/* rgb */ color: rgb(173, 46, 40);
/* oklch */ color: oklch(49.9% 0.165 27.6);

Tailwind

colors: {
  custom: {
    50: '#ce7062',
    500: '#ad2e28',
    950: '#000000',
  },
}

SCSS

$custom: #ad2e28;
$custom-light: #ce7062;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2e28",
  "rgb": {
    "r": 173,
    "g": 46,
    "b": 40
  },
  "hsl": {
    "h": 2.707,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49858,
    "c": 0.16464,
    "h": 27.6
  },
  "luminance": 0.10991
}

Semantic roles & 50–950 ramp

primary

#AD2E28

secondary

#6CC1C5

accent

#DEE642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2E28

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

Preview Lab → · Contrast checker → · Palette generator →