#40383E#40383E

#40383E is a dark, near-neutral grey. Relative luminance 0.043; OKLCH L 35.1% C 0.015 H 334.6°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#40383E
RGB	rgb(64, 56, 62)
HSL	hsl(315, 7%, 24%)
HSV	hsv(315, 13%, 25%)
CMYK	cmyk(0%, 12.5%, 3.1%, 74.9%)
CIE-LAB	lab(24.53, 4.79, -2.44)
CIE-LCH	lch(24.53, 5.38, 333.05°)
OKLab	oklab(35.12% 0.0136 -0.0064)
OKLCH	oklch(35.12% 0.015 334.6)
XYZ	xyz(4.3979, 4.2662, 5.1483)
Luminance	0.0427 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40383E #38403A

analogous

#3E3840 #40383E #40383A

triadic

#40383E #3E4038 #383E40

tetradic

#40383E #403E38 #38403A #383A40

square

#40383E #403E38 #38403A #383A40

split-complementary

#40383E #3A4038 #38403E

monochromatic

#100E10 #1F1B1E #40383E #61555E #81717D

Accessibility & contrast

On white

11.33

#40383E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#40383E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40383E

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40383E	#FFFFFF	#000000	##FFFFFF
##40383E	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A3E

Deuteranopia (green-blind)

#3A3B3E

Tritanopia (blue-blind)

#41383A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #40383e;
/* rgb */ color: rgb(64, 56, 62);
/* oklch */ color: oklch(35.1% 0.015 334.6);

Tailwind

colors: {
  custom: {
    50: '#746e73',
    500: '#40383e',
    950: '#000000',
  },
}

SCSS

$custom: #40383e;
$custom-light: #746e73;
$custom-dark: #000000;

JSON

{
  "hex": "#40383e",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 62
  },
  "hsl": {
    "h": 315,
    "s": 6.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35124,
    "c": 0.015,
    "h": 334.6
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#40383E

secondary

#656F67

accent

#B08678

background

#F7F6F6

surface

#EDEBEC

border

#C8C6C7

text

#080708

muted

#7B7A7B

Preview Lab

Preview with #40383E

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

Preview Lab → · Contrast checker → · Palette generator →