#403F47#403F47

#403F47 is a dark, near-neutral grey. Relative luminance 0.051; OKLCH L 37.2% C 0.014 H 291.5°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#403F47
RGB	rgb(64, 63, 71)
HSL	hsl(248, 6%, 26%)
HSV	hsv(248, 11%, 28%)
CMYK	cmyk(9.9%, 11.3%, 0%, 72.2%)
CIE-LAB	lab(27.02, 2.29, -4.71)
CIE-LCH	lch(27.02, 5.24, 295.91°)
OKLab	oklab(37.17% 0.005 -0.0127)
OKLCH	oklch(37.17% 0.014 291.5)
XYZ	xyz(5.0290, 5.0999, 6.6795)
Luminance	0.0510 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F47 #46473F

analogous

#3F4247 #403F47 #443F47

triadic

#403F47 #47403F #3F4740

tetradic

#403F47 #473F42 #46473F #3F4744

square

#403F47 #473F42 #46473F #3F4744

split-complementary

#403F47 #47443F #42473F

monochromatic

#0F0E10 #232227 #403F47 #5D5C67 #7B7988

Accessibility & contrast

On white

10.40

#403F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#403F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F47

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F47	#FFFFFF	#000000	##FFFFFF
##403F47	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4047

Deuteranopia (green-blind)

#3D4047

Tritanopia (blue-blind)

#3F4042

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403f47;
/* rgb */ color: rgb(64, 63, 71);
/* oklch */ color: oklch(37.2% 0.014 291.5);

Tailwind

colors: {
  custom: {
    50: '#74747a',
    500: '#403f47',
    950: '#000000',
  },
}

SCSS

$custom: #403f47;
$custom-light: #74747a;
$custom-dark: #000000;

JSON

{
  "hex": "#403f47",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 71
  },
  "hsl": {
    "h": 247.5,
    "s": 5.97,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37169,
    "c": 0.0136,
    "h": 291.5
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#403F47

secondary

#74766C

accent

#AF79A8

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #403F47

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

Preview Lab → · Contrast checker → · Palette generator →