#404142#404142

#404142 is a dark, near-neutral grey. Relative luminance 0.053; OKLCH L 37.5% C 0.002 H 247.8°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#404142
RGB	rgb(64, 65, 66)
HSL	hsl(210, 2%, 25%)
HSV	hsv(210, 3%, 26%)
CMYK	cmyk(3%, 1.5%, 0%, 74.1%)
CIE-LAB	lab(27.47, -0.19, -0.76)
CIE-LCH	lch(27.47, 0.78, 255.72°)
OKLab	oklab(37.47% -0.0008 -0.002)
OKLCH	oklch(37.47% 0.002 247.8)
XYZ	xyz(4.9878, 5.2639, 5.9065)
Luminance	0.0526 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404142 #424140

analogous

#404242 #404142 #404042

triadic

#404142 #424041 #414240

tetradic

#404142 #424042 #424140 #404240

square

#404142 #424042 #424140 #404240

split-complementary

#404142 #424040 #424240

monochromatic

#0F0F10 #222223 #404142 #5E6061 #7C7E80

Accessibility & contrast

On white

10.23

#404142 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#404142 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404142

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404142	#FFFFFF	#000000	##FFFFFF
##404142	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414142

Deuteranopia (green-blind)

#404142

Tritanopia (blue-blind)

#404141

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #404142;
/* rgb */ color: rgb(64, 65, 66);
/* oklch */ color: oklch(37.5% 0.002 247.8);

Tailwind

colors: {
  custom: {
    50: '#747576',
    500: '#404142',
    950: '#000000',
  },
}

SCSS

$custom: #404142;
$custom-light: #747576;
$custom-dark: #000000;

JSON

{
  "hex": "#404142",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 66
  },
  "hsl": {
    "h": 210,
    "s": 1.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3747,
    "c": 0.00217,
    "h": 247.8
  },
  "luminance": 0.05264
}

Semantic roles & 50–950 ramp

primary

#404142

secondary

#706F6E

accent

#947DAB

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #404142

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

Preview Lab → · Contrast checker → · Palette generator →