#404042#404042

#404042 is a dark, near-neutral grey. Relative luminance 0.051; OKLCH L 37.2% C 0.003 H 286.2°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#404042
RGB	rgb(64, 64, 66)
HSL	hsl(240, 2%, 25%)
HSV	hsv(240, 3%, 26%)
CMYK	cmyk(3%, 3%, 0%, 74.1%)
CIE-LAB	lab(27.16, 0.45, -1.22)
CIE-LCH	lch(27.16, 1.30, 290.42°)
OKLab	oklab(37.22% 0.0009 -0.0032)
OKLCH	oklch(37.22% 0.003 286.2)
XYZ	xyz(4.9309, 5.1501, 5.8875)
Luminance	0.0515 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404042 #424240

analogous

#404142 #404042 #414042

triadic

#404042 #424040 #404240

tetradic

#404042 #424041 #424240 #404241

square

#404042 #424041 #424240 #404241

split-complementary

#404042 #424140 #414240

monochromatic

#0F0F10 #222223 #404042 #5E5E61 #7C7C80

Accessibility & contrast

On white

10.34

#404042 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#404042 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404042

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404042	#FFFFFF	#000000	##FFFFFF
##404042	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404042

Deuteranopia (green-blind)

#404042

Tritanopia (blue-blind)

#404041

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #404042;
/* rgb */ color: rgb(64, 64, 66);
/* oklch */ color: oklch(37.2% 0.003 286.2);

Tailwind

colors: {
  custom: {
    50: '#747476',
    500: '#404042',
    950: '#000000',
  },
}

SCSS

$custom: #404042;
$custom-light: #747476;
$custom-dark: #000000;

JSON

{
  "hex": "#404042",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 66
  },
  "hsl": {
    "h": 240,
    "s": 1.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37222,
    "c": 0.00337,
    "h": 286.2
  },
  "luminance": 0.0515
}

Semantic roles & 50–950 ramp

primary

#404042

secondary

#70706E

accent

#AB7DAB

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #404042

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

Preview Lab → · Contrast checker → · Palette generator →