#423A3C#423A3C

#423A3C is a dark, near-neutral grey. Relative luminance 0.045; OKLCH L 35.7% C 0.012 H 0.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#423A3C
RGB	rgb(66, 58, 60)
HSL	hsl(345, 6%, 24%)
HSV	hsv(345, 12%, 26%)
CMYK	cmyk(0%, 12.1%, 9.1%, 74.1%)
CIE-LAB	lab(25.29, 3.90, 0.04)
CIE-LCH	lch(25.29, 3.90, 0.55°)
OKLab	oklab(35.74% 0.0116 0.0002)
OKLCH	oklch(35.74% 0.012 0.8)
XYZ	xyz(4.5754, 4.5107, 4.9037)
Luminance	0.0451 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A3C #3A4240

analogous

#423A40 #423A3C #423C3A

triadic

#423A3C #3C423A #3A3C42

tetradic

#423A3C #40423A #3A4240 #3C3A42

square

#423A3C #40423A #3A4240 #3C3A42

split-complementary

#423A3C #3A423C #3A4042

monochromatic

#100E0F #211D1E #423A3C #63575A #837377

Accessibility & contrast

On white

11.04

#423A3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#423A3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A3C

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A3C	#FFFFFF	#000000	##FFFFFF
##423A3C	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B3C

Deuteranopia (green-blind)

#3D3C3C

Tritanopia (blue-blind)

#443A3B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423a3c;
/* rgb */ color: rgb(66, 58, 60);
/* oklch */ color: oklch(35.7% 0.012 0.8);

Tailwind

colors: {
  custom: {
    50: '#767071',
    500: '#423a3c',
    950: '#000000',
  },
}

SCSS

$custom: #423a3c;
$custom-light: #767071;
$custom-dark: #000000;

JSON

{
  "hex": "#423a3c",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 60
  },
  "hsl": {
    "h": 345,
    "s": 6.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35745,
    "c": 0.01164,
    "h": 0.8
  },
  "luminance": 0.04511
}

Semantic roles & 50–950 ramp

primary

#423A3C

secondary

#67716E

accent

#B0A278

background

#F7F6F6

surface

#EDECEC

border

#C8C7C7

text

#080707

muted

#7B7A7A

Preview Lab

Preview with #423A3C

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

Preview Lab → · Contrast checker → · Palette generator →