#42423C#42423C

#42423C is a dark, near-neutral grey. Relative luminance 0.054; OKLCH L 37.7% C 0.010 H 106.9°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#42423C
RGB	rgb(66, 66, 60)
HSL	hsl(60, 5%, 25%)
HSV	hsv(60, 9%, 26%)
CMYK	cmyk(0%, 0%, 9.1%, 74.1%)
CIE-LAB	lab(27.79, -1.29, 3.65)
CIE-LCH	lch(27.79, 3.87, 109.40°)
OKLab	oklab(37.71% -0.0029 0.0096)
OKLCH	oklch(37.71% 0.01 106.9)
XYZ	xyz(5.0105, 5.3809, 5.0488)
Luminance	0.0538 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42423C #3C3C42

analogous

#423F3C #42423C #3F423C

triadic

#42423C #3C4242 #423C42

tetradic

#42423C #3C423F #3C3C42 #423C3F

square

#42423C #3C423F #3C3C42 #423C3F

split-complementary

#42423C #3C3F42 #3F3C42

monochromatic

#10100F #22221F #42423C #626259 #828276

Accessibility & contrast

On white

10.11

#42423C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#42423C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42423C

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42423C	#FFFFFF	#000000	##FFFFFF
##42423C	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43413C

Deuteranopia (green-blind)

#43423C

Tritanopia (blue-blind)

#434140

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #42423c;
/* rgb */ color: rgb(66, 66, 60);
/* oklch */ color: oklch(37.7% 0.010 106.9);

Tailwind

colors: {
  custom: {
    50: '#767671',
    500: '#42423c',
    950: '#000000',
  },
}

SCSS

$custom: #42423c;
$custom-light: #767671;
$custom-dark: #000000;

JSON

{
  "hex": "#42423c",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 60
  },
  "hsl": {
    "h": 60,
    "s": 4.762,
    "l": 24.706
  },
  "oklch": {
    "l": 0.37707,
    "c": 0.00998,
    "h": 106.9
  },
  "luminance": 0.05381
}

Semantic roles & 50–950 ramp

primary

#42423C

secondary

#696971

accent

#7AAE7A

background

#F7F7F6

surface

#EDEDEC

border

#C8C8C7

text

#080807

muted

#7B7B7A

Preview Lab

Preview with #42423C

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

Preview Lab → · Contrast checker → · Palette generator →