#404239#404239

#404239 is a dark, near-neutral grey. Relative luminance 0.053; OKLCH L 37.4% C 0.015 H 117.3°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#404239
RGB	rgb(64, 66, 57)
HSL	hsl(73, 7%, 24%)
HSV	hsv(73, 14%, 26%)
CMYK	cmyk(3%, 0%, 13.6%, 74.1%)
CIE-LAB	lab(27.52, -2.77, 5.20)
CIE-LCH	lch(27.52, 5.89, 118.06°)
OKLab	oklab(37.42% -0.007 0.0135)
OKLCH	oklch(37.42% 0.015 117.3)
XYZ	xyz(4.8010, 5.2818, 4.6367)
Luminance	0.0528 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404239 #3B3942

analogous

#424039 #404239 #3C4239

triadic

#404239 #394042 #423940

tetradic

#404239 #394240 #3B3942 #42393C

square

#404239 #394240 #3B3942 #42393C

split-complementary

#404239 #393C42 #403942

monochromatic

#10100E #20211D #404239 #606355 #808472

Accessibility & contrast

On white

10.21

#404239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#404239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404239

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404239	#FFFFFF	#000000	##FFFFFF
##404239	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434138

Deuteranopia (green-blind)

#434139

Tritanopia (blue-blind)

#41413F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #404239;
/* rgb */ color: rgb(64, 66, 57);
/* oklch */ color: oklch(37.4% 0.015 117.3);

Tailwind

colors: {
  custom: {
    50: '#74766f',
    500: '#404239',
    950: '#000000',
  },
}

SCSS

$custom: #404239;
$custom-light: #74766f;
$custom-dark: #000000;

JSON

{
  "hex": "#404239",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 57
  },
  "hsl": {
    "h": 73.333,
    "s": 7.317,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3742,
    "c": 0.01518,
    "h": 117.3
  },
  "luminance": 0.05282
}

Semantic roles & 50–950 ramp

primary

#404239

secondary

#686671

accent

#77B084

background

#F7F7F6

surface

#EDEDEC

border

#C8C8C7

text

#080807

muted

#7B7B7A

Preview Lab

Preview with #404239

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

Preview Lab → · Contrast checker → · Palette generator →