#AD423F#AD423F

#AD423F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.141 H 24.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#AD423F
RGB	rgb(173, 66, 63)
HSL	hsl(2, 47%, 46%)
HSV	hsv(2, 64%, 68%)
CMYK	cmyk(0%, 61.8%, 63.6%, 32.2%)
CIE-LAB	lab(42.98, 43.59, 24.82)
CIE-LCH	lch(42.98, 50.16, 29.66°)
OKLab	oklab(52.52% 0.1281 0.0592)
OKLCH	oklch(52.52% 0.141 24.8)
XYZ	xyz(20.0809, 13.1422, 6.1809)
Luminance	0.1314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD423F #3FAAAD

analogous

#AD3F73 #AD423F #AD793F

triadic

#AD423F #3FAD42 #423FAD

tetradic

#AD423F #73AD3F #3FAAAD #793FAD

square

#AD423F #73AD3F #3FAAAD #793FAD

split-complementary

#AD423F #3FAD79 #3F73AD

monochromatic

#53201E #80312F #AD423F #C66663 #D79290

Accessibility & contrast

On white

5.79

#AD423F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#AD423F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD423F

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD423F	#FFFFFF	#000000	##FFFFFF
##AD423F	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573E

Deuteranopia (green-blind)

#786E3C

Tritanopia (blue-blind)

#BD2C42

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ad423f;
/* rgb */ color: rgb(173, 66, 63);
/* oklch */ color: oklch(52.5% 0.141 24.8);

Tailwind

colors: {
  custom: {
    50: '#cc7b74',
    500: '#ad423f',
    950: '#000000',
  },
}

SCSS

$custom: #ad423f;
$custom-light: #cc7b74;
$custom-dark: #000000;

JSON

{
  "hex": "#ad423f",
  "rgb": {
    "r": 173,
    "g": 66,
    "b": 63
  },
  "hsl": {
    "h": 1.636,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52515,
    "c": 0.14116,
    "h": 24.8
  },
  "luminance": 0.1314
}

Semantic roles & 50–950 ramp

primary

#AD423F

secondary

#86C0C2

accent

#D3D652

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #AD423F

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

Preview Lab → · Contrast checker → · Palette generator →