#403F48#403F48

#403F48 is a dark, near-neutral grey. Relative luminance 0.051; OKLCH L 37.2% C 0.015 H 290.8°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#403F48
RGB	rgb(64, 63, 72)
HSL	hsl(247, 7%, 26%)
HSV	hsv(247, 13%, 28%)
CMYK	cmyk(11.1%, 12.5%, 0%, 71.8%)
CIE-LAB	lab(27.05, 2.53, -5.31)
CIE-LCH	lch(27.05, 5.88, 295.48°)
OKLab	oklab(37.21% 0.0054 -0.0143)
OKLCH	oklch(37.21% 0.015 290.8)
XYZ	xyz(5.0613, 5.1129, 6.8499)
Luminance	0.0511 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F48 #47483F

analogous

#3F4348 #403F48 #453F48

triadic

#403F48 #48403F #3F4840

tetradic

#403F48 #483F43 #47483F #3F4845

square

#403F48 #483F43 #47483F #3F4845

split-complementary

#403F48 #48453F #43483F

monochromatic

#0F0E10 #232227 #403F48 #5D5C69 #7A7889

Accessibility & contrast

On white

10.38

#403F48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#403F48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F48

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F48	#FFFFFF	#000000	##FFFFFF
##403F48	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4048

Deuteranopia (green-blind)

#3D4048

Tritanopia (blue-blind)

#3F4042

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403f48;
/* rgb */ color: rgb(64, 63, 72);
/* oklch */ color: oklch(37.2% 0.015 290.8);

Tailwind

colors: {
  custom: {
    50: '#74747b',
    500: '#403f48',
    950: '#000000',
  },
}

SCSS

$custom: #403f48;
$custom-light: #74747b;
$custom-dark: #000000;

JSON

{
  "hex": "#403f48",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 72
  },
  "hsl": {
    "h": 246.667,
    "s": 6.667,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37209,
    "c": 0.01529,
    "h": 290.8
  },
  "luminance": 0.05113
}

Semantic roles & 50–950 ramp

primary

#403F48

secondary

#76776C

accent

#B078AA

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #403F48

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

Preview Lab → · Contrast checker → · Palette generator →