#403F44#403F44

#403F44 is a dark, near-neutral grey. Relative luminance 0.051; OKLCH L 37.1% C 0.009 H 295.2°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#403F44
RGB	rgb(64, 63, 68)
HSL	hsl(252, 4%, 26%)
HSV	hsv(252, 7%, 27%)
CMYK	cmyk(5.9%, 7.4%, 0%, 73.3%)
CIE-LAB	lab(26.91, 1.57, -2.90)
CIE-LCH	lch(26.91, 3.29, 298.46°)
OKLab	oklab(37.05% 0.0036 -0.0077)
OKLCH	oklch(37.05% 0.009 295.2)
XYZ	xyz(4.9351, 5.0623, 6.1849)
Luminance	0.0506 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F44 #43443F

analogous

#3F4044 #403F44 #423F44

triadic

#403F44 #44403F #3F4440

tetradic

#403F44 #443F40 #43443F #3F4442

square

#403F44 #443F40 #43443F #3F4442

split-complementary

#403F44 #44423F #40443F

monochromatic

#0F0F10 #222224 #403F44 #5E5C64 #7C7A84

Accessibility & contrast

On white

10.44

#403F44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#403F44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F44

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F44	#FFFFFF	#000000	##FFFFFF
##403F44	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4044

Deuteranopia (green-blind)

#3E4044

Tritanopia (blue-blind)

#3F4041

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403f44;
/* rgb */ color: rgb(64, 63, 68);
/* oklch */ color: oklch(37.1% 0.009 295.2);

Tailwind

colors: {
  custom: {
    50: '#747477',
    500: '#403f44',
    950: '#000000',
  },
}

SCSS

$custom: #403f44;
$custom-light: #747477;
$custom-dark: #000000;

JSON

{
  "hex": "#403f44",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 252,
    "s": 3.817,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37051,
    "c": 0.00854,
    "h": 295.2
  },
  "luminance": 0.05062
}

Semantic roles & 50–950 ramp

primary

#403F44

secondary

#71726C

accent

#AD7BA3

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #403F44

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

Preview Lab → · Contrast checker → · Palette generator →