#40404A#40404A

#40404A is a dark, near-neutral grey. Relative luminance 0.053; OKLCH L 37.5% C 0.017 H 285.6°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#40404A
RGB	rgb(64, 64, 74)
HSL	hsl(240, 7%, 27%)
HSV	hsv(240, 14%, 29%)
CMYK	cmyk(13.5%, 13.5%, 0%, 71%)
CIE-LAB	lab(27.44, 2.38, -6.05)
CIE-LCH	lch(27.44, 6.50, 291.44°)
OKLab	oklab(37.53% 0.0046 -0.0163)
OKLCH	oklch(37.53% 0.017 285.6)
XYZ	xyz(5.1835, 5.2512, 7.2177)
Luminance	0.0525 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40404A #4A4A40

analogous

#40454A #40404A #45404A

triadic

#40404A #4A4040 #404A40

tetradic

#40404A #4A4045 #4A4A40 #404A45

square

#40404A #4A4045 #4A4A40 #404A45

split-complementary

#40404A #4A4540 #454A40

monochromatic

#0E0E10 #242429 #40404A #5C5C6B #79798B

Accessibility & contrast

On white

10.24

#40404A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40404A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40404A

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40404A	#FFFFFF	#000000	##FFFFFF
##40404A	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E414A

Deuteranopia (green-blind)

#3D414A

Tritanopia (blue-blind)

#3E4243

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40404a;
/* rgb */ color: rgb(64, 64, 74);
/* oklch */ color: oklch(37.5% 0.017 285.6);

Tailwind

colors: {
  custom: {
    50: '#74747c',
    500: '#40404a',
    950: '#000000',
  },
}

SCSS

$custom: #40404a;
$custom-light: #74747c;
$custom-dark: #000000;

JSON

{
  "hex": "#40404a",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 74
  },
  "hsl": {
    "h": 240,
    "s": 7.246,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37534,
    "c": 0.01695,
    "h": 285.6
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary

#40404A

secondary

#79796D

accent

#B077B0

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #40404A

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

Preview Lab → · Contrast checker → · Palette generator →