#423A3A#423A3A

#423A3A is a dark, near-neutral grey. Relative luminance 0.045; OKLCH L 35.7% C 0.011 H 17.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#423A3A
RGB	rgb(66, 58, 58)
HSL	hsl(0, 6%, 24%)
HSV	hsv(0, 12%, 26%)
CMYK	cmyk(0%, 12.1%, 12.1%, 74.1%)
CIE-LAB	lab(25.23, 3.48, 1.27)
CIE-LCH	lch(25.23, 3.71, 20.09°)
OKLab	oklab(35.68% 0.0107 0.0034)
OKLCH	oklch(35.68% 0.011 17.7)
XYZ	xyz(4.5235, 4.4899, 4.6305)
Luminance	0.0449 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A3A #3A4242

analogous

#423A3E #423A3A #423E3A

triadic

#423A3A #3A423A #3A3A42

tetradic

#423A3A #3E423A #3A4242 #3E3A42

square

#423A3A #3E423A #3A4242 #3E3A42

split-complementary

#423A3A #3A423E #3A3E42

monochromatic

#100E0E #211D1D #423A3A #635757 #837373

Accessibility & contrast

On white

11.06

#423A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#423A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A3A

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A3A	#FFFFFF	#000000	##FFFFFF
##423A3A	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B3A

Deuteranopia (green-blind)

#3D3C3A

Tritanopia (blue-blind)

#44393A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423a3a;
/* rgb */ color: rgb(66, 58, 58);
/* oklch */ color: oklch(35.7% 0.011 17.7);

Tailwind

colors: {
  custom: {
    50: '#767070',
    500: '#423a3a',
    950: '#000000',
  },
}

SCSS

$custom: #423a3a;
$custom-light: #767070;
$custom-dark: #000000;

JSON

{
  "hex": "#423a3a",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 6.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35675,
    "c": 0.01122,
    "h": 17.7
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#423A3A

secondary

#677171

accent

#B0B078

background

#F7F6F6

surface

#EDECEC

border

#C8C7C7

text

#080707

muted

#7B7A7A

Preview Lab

Preview with #423A3A

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

Preview Lab → · Contrast checker → · Palette generator →