#403F45#403F45

#403F45 is a dark, near-neutral grey. Relative luminance 0.051; OKLCH L 37.1% C 0.010 H 293.5°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#403F45
RGB	rgb(64, 63, 69)
HSL	hsl(250, 5%, 26%)
HSV	hsv(250, 9%, 27%)
CMYK	cmyk(7.2%, 8.7%, 0%, 72.9%)
CIE-LAB	lab(26.95, 1.80, -3.50)
CIE-LCH	lch(26.95, 3.94, 297.27°)
OKLab	oklab(37.09% 0.0041 -0.0094)
OKLCH	oklch(37.09% 0.01 293.5)
XYZ	xyz(4.9658, 5.0747, 6.3470)
Luminance	0.0508 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F45 #44453F

analogous

#3F4145 #403F45 #433F45

triadic

#403F45 #45403F #3F4540

tetradic

#403F45 #453F41 #44453F #3F4543

square

#403F45 #453F41 #44453F #3F4543

split-complementary

#403F45 #45433F #41453F

monochromatic

#0F0F10 #222225 #403F45 #5E5C65 #7B7985

Accessibility & contrast

On white

10.42

#403F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#403F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F45

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F45	#FFFFFF	#000000	##FFFFFF
##403F45	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4045

Deuteranopia (green-blind)

#3E4045

Tritanopia (blue-blind)

#3F4041

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403f45;
/* rgb */ color: rgb(64, 63, 69);
/* oklch */ color: oklch(37.1% 0.010 293.5);

Tailwind

colors: {
  custom: {
    50: '#747478',
    500: '#403f45',
    950: '#000000',
  },
}

SCSS

$custom: #403f45;
$custom-light: #747478;
$custom-dark: #000000;

JSON

{
  "hex": "#403f45",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 250,
    "s": 4.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3709,
    "c": 0.01022,
    "h": 293.5
  },
  "luminance": 0.05075
}

Semantic roles & 50–950 ramp

primary

#403F45

secondary

#72736C

accent

#AE7AA5

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #403F45

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

Preview Lab → · Contrast checker → · Palette generator →