#404247#404247

#404247 is a dark, near-neutral grey. Relative luminance 0.054; OKLCH L 37.9% C 0.009 H 268.5°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#404247
RGB	rgb(64, 66, 71)
HSL	hsl(223, 5%, 26%)
HSV	hsv(223, 10%, 28%)
CMYK	cmyk(9.9%, 7%, 0%, 72.2%)
CIE-LAB	lab(27.96, 0.34, -3.31)
CIE-LCH	lch(27.96, 3.33, 275.86°)
OKLab	oklab(37.91% -0.0002 -0.0089)
OKLCH	oklch(37.91% 0.009 268.5)
XYZ	xyz(5.1997, 5.4413, 6.7364)
Luminance	0.0544 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404247 #474540

analogous

#404647 #404247 #424047

triadic

#404247 #474042 #424740

tetradic

#404247 #474046 #474540 #404742

square

#404247 #474046 #474540 #404742

split-complementary

#404247 #474240 #464740

monochromatic

#0F0F10 #232427 #404247 #5D6067 #7A7E87

Accessibility & contrast

On white

10.06

#404247 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#404247 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404247

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404247	#FFFFFF	#000000	##FFFFFF
##404247	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414247

Deuteranopia (green-blind)

#404247

Tritanopia (blue-blind)

#3E4344

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #404247;
/* rgb */ color: rgb(64, 66, 71);
/* oklch */ color: oklch(37.9% 0.009 268.5);

Tailwind

colors: {
  custom: {
    50: '#74767a',
    500: '#404247',
    950: '#000000',
  },
}

SCSS

$custom: #404247;
$custom-light: #74767a;
$custom-dark: #000000;

JSON

{
  "hex": "#404247",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 71
  },
  "hsl": {
    "h": 222.857,
    "s": 5.185,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37905,
    "c": 0.00889,
    "h": 268.5
  },
  "luminance": 0.05441
}

Semantic roles & 50–950 ramp

primary

#404247

secondary

#76736D

accent

#9F79AE

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #404247

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

Preview Lab → · Contrast checker → · Palette generator →