#AD2B38#AD2B38

#AD2B38 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.8% C 0.166 H 20.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B38
RGB	rgb(173, 43, 56)
HSL	hsl(354, 60%, 42%)
HSV	hsv(354, 75%, 68%)
CMYK	cmyk(0%, 75.1%, 67.6%, 32.2%)
CIE-LAB	lab(39.41, 52.55, 24.62)
CIE-LCH	lch(39.41, 58.03, 25.11°)
OKLab	oklab(49.81% 0.1551 0.0579)
OKLCH	oklch(49.81% 0.166 20.5)
XYZ	xyz(18.8133, 10.9003, 4.8540)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B38 #2BADA0

analogous

#AD2B79 #AD2B38 #AD5F2B

triadic

#AD2B38 #38AD2B #2B38AD

tetradic

#AD2B38 #79AD2B #2BADA0 #5F2BAD

square

#AD2B38 #79AD2B #2BADA0 #5F2BAD

split-complementary

#AD2B38 #2BAD5F #2B79AD

monochromatic

#4B1318 #7C1F28 #AD2B38 #D14553 #DD7680

Accessibility & contrast

On white

6.60

#AD2B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#AD2B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B38

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B38	#FFFFFF	#000000	##FFFFFF
##AD2B38	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B37

Deuteranopia (green-blind)

#716734

Tritanopia (blue-blind)

#BE0031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2b38;
/* rgb */ color: rgb(173, 43, 56);
/* oklch */ color: oklch(49.8% 0.166 20.5);

Tailwind

colors: {
  custom: {
    50: '#cd6f6e',
    500: '#ad2b38',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b38;
$custom-light: #cd6f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b38",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 56
  },
  "hsl": {
    "h": 354,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49812,
    "c": 0.1656,
    "h": 20.5
  },
  "luminance": 0.10898
}

Semantic roles & 50–950 ramp

primary

#AD2B38

secondary

#6FC4BC

accent

#E3D344

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2B38

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

Preview Lab → · Contrast checker → · Palette generator →