#40443C#40443C

#40443C is a dark, near-neutral grey. Relative luminance 0.056; OKLCH L 38.0% C 0.014 H 128.9°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#40443C
RGB	rgb(64, 68, 60)
HSL	hsl(90, 6%, 25%)
HSV	hsv(90, 12%, 27%)
CMYK	cmyk(5.9%, 0%, 11.8%, 73.3%)
CIE-LAB	lab(28.25, -3.42, 4.28)
CIE-LCH	lch(28.25, 5.48, 128.61°)
OKLab	oklab(38.02% -0.009 0.0111)
OKLCH	oklch(38.02% 0.014 128.9)
XYZ	xyz(4.9970, 5.5505, 5.0822)
Luminance	0.0555 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40443C #403C44

analogous

#44443C #40443C #3C443C

triadic

#40443C #3C4044 #443C40

tetradic

#40443C #3C4444 #403C44 #443C3C

square

#40443C #3C4444 #403C44 #443C3C

split-complementary

#40443C #3C3C44 #443C44

monochromatic

#0F100E #21231F #40443C #5F6559 #7D8575

Accessibility & contrast

On white

9.95

#40443C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#40443C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40443C

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40443C	#FFFFFF	#000000	##FFFFFF
##40443C	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45433C

Deuteranopia (green-blind)

#44433C

Tritanopia (blue-blind)

#404342

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #40443c;
/* rgb */ color: rgb(64, 68, 60);
/* oklch */ color: oklch(38.0% 0.014 128.9);

Tailwind

colors: {
  custom: {
    50: '#747771',
    500: '#40443c',
    950: '#000000',
  },
}

SCSS

$custom: #40443c;
$custom-light: #747771;
$custom-dark: #000000;

JSON

{
  "hex": "#40443c",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 60
  },
  "hsl": {
    "h": 90,
    "s": 6.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.38021,
    "c": 0.01432,
    "h": 128.9
  },
  "luminance": 0.0555
}

Semantic roles & 50–950 ramp

primary

#40443C

secondary

#6E6973

accent

#78AF94

background

#F7F7F6

surface

#EDEDEC

border

#C8C8C7

text

#080807

muted

#7B7B7A

Preview Lab

Preview with #40443C

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

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