#AD2A37#AD2A37

#AD2A37 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.7% C 0.167 H 20.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A37
RGB	rgb(173, 42, 55)
HSL	hsl(354, 61%, 42%)
HSV	hsv(354, 76%, 68%)
CMYK	cmyk(0%, 75.7%, 68.2%, 32.2%)
CIE-LAB	lab(39.27, 52.83, 25.07)
CIE-LCH	lch(39.27, 58.48, 25.38°)
OKLab	oklab(49.7% 0.1558 0.0588)
OKLCH	oklch(49.7% 0.167 20.7)
XYZ	xyz(18.7532, 10.8188, 4.7145)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A37 #2AADA0

analogous

#AD2A78 #AD2A37 #AD5F2A

triadic

#AD2A37 #37AD2A #2A37AD

tetradic

#AD2A37 #78AD2A #2AADA0 #5F2AAD

square

#AD2A37 #78AD2A #2AADA0 #5F2AAD

split-complementary

#AD2A37 #2AAD5F #2A78AD

monochromatic

#4B1218 #7C1E27 #AD2A37 #D14351 #DD747F

Accessibility & contrast

On white

6.64

#AD2A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#AD2A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A37

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A37	#FFFFFF	#000000	##FFFFFF
##AD2A37	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B36

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#BE0030

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a37;
/* rgb */ color: rgb(173, 42, 55);
/* oklch */ color: oklch(49.7% 0.167 20.7);

Tailwind

colors: {
  custom: {
    50: '#cd6f6d',
    500: '#ad2a37',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a37;
$custom-light: #cd6f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a37",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 55
  },
  "hsl": {
    "h": 354.046,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49703,
    "c": 0.16655,
    "h": 20.7
  },
  "luminance": 0.10816
}

Semantic roles & 50–950 ramp

primary

#AD2A37

secondary

#6EC5BC

accent

#E4D444

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2A37

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

Preview Lab → · Contrast checker → · Palette generator →