#AD2323#AD2323

#AD2323 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.174 H 26.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#AD2323
RGB	rgb(173, 35, 35)
HSL	hsl(0, 66%, 41%)
HSV	hsv(0, 80%, 68%)
CMYK	cmyk(0%, 79.8%, 79.8%, 32.2%)
CIE-LAB	lab(38.22, 54.18, 35.85)
CIE-LCH	lch(38.22, 64.96, 33.49°)
OKLab	oklab(48.83% 0.1557 0.0779)
OKLCH	oklch(48.83% 0.174 26.6)
XYZ	xyz(18.1402, 10.2106, 2.6055)
Luminance	0.1021 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2323 #23ADAD

analogous

#AD2368 #AD2323 #AD6823

triadic

#AD2323 #23AD23 #2323AD

tetradic

#AD2323 #68AD23 #23ADAD #6823AD

square

#AD2323 #68AD23 #23ADAD #6823AD

split-complementary

#AD2323 #23AD68 #2368AD

monochromatic

#470E0E #7A1919 #AD2323 #D63737 #E16A6A

Accessibility & contrast

On white

6.90

#AD2323 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#AD2323 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2323

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2323	#FFFFFF	#000000	##FFFFFF
##AD2323	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4721

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#BF0025

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2323;
/* rgb */ color: rgb(173, 35, 35);
/* oklch */ color: oklch(48.8% 0.174 26.6);

Tailwind

colors: {
  custom: {
    50: '#cf6b5f',
    500: '#ad2323',
    950: '#000000',
  },
}

SCSS

$custom: #ad2323;
$custom-light: #cf6b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2323",
  "rgb": {
    "r": 173,
    "g": 35,
    "b": 35
  },
  "hsl": {
    "h": 0,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48833,
    "c": 0.1741,
    "h": 26.6
  },
  "luminance": 0.10208
}

Semantic roles & 50–950 ramp

primary

#AD2323

secondary

#65C7C7

accent

#E9E93F

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AD2323

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

Preview Lab → · Contrast checker → · Palette generator →