#423C3C#423C3C

#423C3C is a dark, near-neutral grey. Relative luminance 0.047; OKLCH L 36.2% C 0.008 H 17.5°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#423C3C
RGB	rgb(66, 60, 60)
HSL	hsl(0, 5%, 25%)
HSV	hsv(0, 9%, 26%)
CMYK	cmyk(0%, 9.1%, 9.1%, 74.1%)
CIE-LAB	lab(25.91, 2.59, 0.94)
CIE-LCH	lch(25.91, 2.75, 19.90°)
OKLab	oklab(36.23% 0.008 0.0025)
OKLCH	oklch(36.23% 0.008 17.5)
XYZ	xyz(4.6782, 4.7163, 4.9380)
Luminance	0.0472 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423C3C #3C4242

analogous

#423C3F #423C3C #423F3C

triadic

#423C3C #3C423C #3C3C42

tetradic

#423C3C #3F423C #3C4242 #3F3C42

square

#423C3C #3F423C #3C4242 #3F3C42

split-complementary

#423C3C #3C423F #3C3F42

monochromatic

#100F0F #221F1F #423C3C #625959 #827676

Accessibility & contrast

On white

10.81

#423C3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#423C3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423C3C

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423C3C	#FFFFFF	#000000	##FFFFFF
##423C3C	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3D3C

Deuteranopia (green-blind)

#3E3E3C

Tritanopia (blue-blind)

#433C3C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #423c3c;
/* rgb */ color: rgb(66, 60, 60);
/* oklch */ color: oklch(36.2% 0.008 17.5);

Tailwind

colors: {
  custom: {
    50: '#767171',
    500: '#423c3c',
    950: '#000000',
  },
}

SCSS

$custom: #423c3c;
$custom-light: #767171;
$custom-dark: #000000;

JSON

{
  "hex": "#423c3c",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 60
  },
  "hsl": {
    "h": 0,
    "s": 4.762,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36228,
    "c": 0.00834,
    "h": 17.5
  },
  "luminance": 0.04716
}

Semantic roles & 50–950 ramp

primary

#423C3C

secondary

#697171

accent

#AEAE7A

background

#F7F6F6

surface

#EDECEC

border

#C8C7C7

text

#080707

muted

#7B7A7A

Preview Lab

Preview with #423C3C

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

Preview Lab → · Contrast checker → · Palette generator →