#AD2423#AD2423

#AD2423 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.9% C 0.173 H 26.8°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#AD2423
RGB	rgb(173, 36, 35)
HSL	hsl(0, 66%, 41%)
HSV	hsv(0, 80%, 68%)
CMYK	cmyk(0%, 79.2%, 79.8%, 32.2%)
CIE-LAB	lab(38.32, 53.88, 35.95)
CIE-LCH	lch(38.32, 64.78, 33.72°)
OKLab	oklab(48.91% 0.1548 0.0781)
OKLCH	oklch(48.91% 0.173 26.8)
XYZ	xyz(18.1700, 10.2703, 2.6154)
Luminance	0.1027 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2423 #23ACAD

analogous

#AD2367 #AD2423 #AD6923

triadic

#AD2423 #23AD24 #2423AD

tetradic

#AD2423 #67AD23 #23ACAD #6923AD

square

#AD2423 #67AD23 #23ACAD #6923AD

split-complementary

#AD2423 #23AD69 #2367AD

monochromatic

#470F0E #7A1919 #AD2423 #D63837 #E16A6A

Accessibility & contrast

On white

6.88

#AD2423 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#AD2423 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2423

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2423	#FFFFFF	#000000	##FFFFFF
##AD2423	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4721

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#BF0026

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2423;
/* rgb */ color: rgb(173, 36, 35);
/* oklch */ color: oklch(48.9% 0.173 26.8);

Tailwind

colors: {
  custom: {
    50: '#cf6c5f',
    500: '#ad2423',
    950: '#000000',
  },
}

SCSS

$custom: #ad2423;
$custom-light: #cf6c5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2423",
  "rgb": {
    "r": 173,
    "g": 36,
    "b": 35
  },
  "hsl": {
    "h": 0.435,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48912,
    "c": 0.17336,
    "h": 26.8
  },
  "luminance": 0.10267
}

Semantic roles & 50–950 ramp

primary

#AD2423

secondary

#65C6C7

accent

#E8E93F

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AD2423

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

Preview Lab → · Contrast checker → · Palette generator →