#404242#404242

#404242 is a dark, near-neutral grey. Relative luminance 0.054; OKLCH L 37.7% C 0.003 H 197.1°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#404242
RGB	rgb(64, 66, 66)
HSL	hsl(180, 2%, 25%)
HSV	hsv(180, 3%, 26%)
CMYK	cmyk(3%, 0%, 0%, 74.1%)
CIE-LAB	lab(27.79, -0.83, -0.29)
CIE-LCH	lch(27.79, 0.88, 199.31°)
OKLab	oklab(37.72% -0.0026 -0.0008)
OKLCH	oklch(37.72% 0.003 197.1)
XYZ	xyz(5.0458, 5.3797, 5.9258)
Luminance	0.0538 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404242 #424040

analogous

#404241 #404242 #404142

triadic

#404242 #424042 #424240

tetradic

#404242 #414042 #424040 #414240

square

#404242 #414042 #424040 #414240

split-complementary

#404242 #424041 #424140

monochromatic

#0F1010 #222323 #404242 #5E6161 #7C8080

Accessibility & contrast

On white

10.12

#404242 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#404242 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404242

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404242	#FFFFFF	#000000	##FFFFFF
##404242	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424242

Deuteranopia (green-blind)

#414142

Tritanopia (blue-blind)

#3F4242

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #404242;
/* rgb */ color: rgb(64, 66, 66);
/* oklch */ color: oklch(37.7% 0.003 197.1);

Tailwind

colors: {
  custom: {
    50: '#747676',
    500: '#404242',
    950: '#000000',
  },
}

SCSS

$custom: #404242;
$custom-light: #747676;
$custom-dark: #000000;

JSON

{
  "hex": "#404242",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 66
  },
  "hsl": {
    "h": 180,
    "s": 1.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37719,
    "c": 0.00269,
    "h": 197.1
  },
  "luminance": 0.0538
}

Semantic roles & 50–950 ramp

primary

#404242

secondary

#706E6E

accent

#7D7DAB

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #404242

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

Preview Lab → · Contrast checker → · Palette generator →