#40383C#40383C

#40383C is a dark, near-neutral grey. Relative luminance 0.042; OKLCH L 35.0% C 0.013 H 346.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#40383C
RGB	rgb(64, 56, 60)
HSL	hsl(330, 7%, 24%)
HSV	hsv(330, 13%, 25%)
CMYK	cmyk(0%, 12.5%, 6.2%, 74.9%)
CIE-LAB	lab(24.46, 4.35, -1.20)
CIE-LCH	lch(24.46, 4.51, 344.57°)
OKLab	oklab(35.05% 0.0126 -0.0031)
OKLCH	oklch(35.05% 0.013 346.1)
XYZ	xyz(4.3440, 4.2447, 4.8645)
Luminance	0.0425 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40383C #38403C

analogous

#403840 #40383C #403838

triadic

#40383C #3C4038 #383C40

tetradic

#40383C #404038 #38403C #383840

square

#40383C #404038 #38403C #383840

split-complementary

#40383C #384038 #384040

monochromatic

#100E0F #1F1B1D #40383C #61555B #817179

Accessibility & contrast

On white

11.36

#40383C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#40383C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40383C

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40383C	#FFFFFF	#000000	##FFFFFF
##40383C	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38393C

Deuteranopia (green-blind)

#3A3B3C

Tritanopia (blue-blind)

#413839

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #40383c;
/* rgb */ color: rgb(64, 56, 60);
/* oklch */ color: oklch(35.0% 0.013 346.1);

Tailwind

colors: {
  custom: {
    50: '#746e71',
    500: '#40383c',
    950: '#000000',
  },
}

SCSS

$custom: #40383c;
$custom-light: #746e71;
$custom-dark: #000000;

JSON

{
  "hex": "#40383c",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 60
  },
  "hsl": {
    "h": 330,
    "s": 6.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35048,
    "c": 0.01301,
    "h": 346.1
  },
  "luminance": 0.04245
}

Semantic roles & 50–950 ramp

primary

#40383C

secondary

#656F6A

accent

#B09478

background

#F7F6F6

surface

#EDEBEC

border

#C8C6C7

text

#080707

muted

#7B7A7A

Preview Lab

Preview with #40383C

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

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