#403F43#403F43

#403F43 is a dark, near-neutral grey. Relative luminance 0.051; OKLCH L 37.0% C 0.007 H 297.5°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#403F43
RGB	rgb(64, 63, 67)
HSL	hsl(255, 3%, 25%)
HSV	hsv(255, 6%, 26%)
CMYK	cmyk(4.5%, 6%, 0%, 73.7%)
CIE-LAB	lab(26.88, 1.33, -2.29)
CIE-LCH	lch(26.88, 2.65, 300.25°)
OKLab	oklab(37.01% 0.0032 -0.0061)
OKLCH	oklch(37.01% 0.007 297.5)
XYZ	xyz(4.9048, 5.0502, 6.0255)
Luminance	0.0505 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F43 #42433F

analogous

#3F4043 #403F43 #423F43

triadic

#403F43 #43403F #3F4340

tetradic

#403F43 #433F40 #42433F #3F4342

square

#403F43 #433F40 #42433F #3F4342

split-complementary

#403F43 #43423F #40433F

monochromatic

#0F0F10 #222123 #403F43 #5E5D63 #7C7A82

Accessibility & contrast

On white

10.45

#403F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#403F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F43

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F43	#FFFFFF	#000000	##FFFFFF
##403F43	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4043

Deuteranopia (green-blind)

#3E3F43

Tritanopia (blue-blind)

#404040

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403f43;
/* rgb */ color: rgb(64, 63, 67);
/* oklch */ color: oklch(37.0% 0.007 297.5);

Tailwind

colors: {
  custom: {
    50: '#747477',
    500: '#403f43',
    950: '#000000',
  },
}

SCSS

$custom: #403f43;
$custom-light: #747477;
$custom-dark: #000000;

JSON

{
  "hex": "#403f43",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 255,
    "s": 3.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37013,
    "c": 0.00687,
    "h": 297.5
  },
  "luminance": 0.0505
}

Semantic roles & 50–950 ramp

primary

#403F43

secondary

#70716D

accent

#AC7CA0

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #403F43

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

Preview Lab → · Contrast checker → · Palette generator →