#404752#404752

#404752 is a dark, muted blue. Relative luminance 0.062; OKLCH L 39.6% C 0.021 H 259.4°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#404752
RGB	rgb(64, 71, 82)
HSL	hsl(217, 12%, 29%)
HSV	hsv(217, 22%, 32%)
CMYK	cmyk(22%, 13.4%, 0%, 67.8%)
CIE-LAB	lab(29.93, -0.09, -7.51)
CIE-LCH	lch(29.93, 7.51, 269.32°)
OKLab	oklab(39.58% -0.0038 -0.0204)
OKLCH	oklch(39.58% 0.021 259.4)
XYZ	xyz(5.8902, 6.2055, 8.8685)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404752 #524B40

analogous

#405052 #404752 #424052

triadic

#404752 #524047 #475240

tetradic

#404752 #524050 #524B40 #405242

square

#404752 #524050 #524B40 #405242

split-complementary

#404752 #524240 #505240

monochromatic

#0D0F11 #252930 #404752 #5B6574 #778395

Accessibility & contrast

On white

9.37

#404752 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#404752 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404752

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404752	#FFFFFF	#000000	##FFFFFF
##404752	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434753

Deuteranopia (green-blind)

#424652

Tritanopia (blue-blind)

#3B494B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #404752;
/* rgb */ color: rgb(64, 71, 82);
/* oklch */ color: oklch(39.6% 0.021 259.4);

Tailwind

colors: {
  custom: {
    50: '#757a82',
    500: '#404752',
    950: '#000000',
  },
}

SCSS

$custom: #404752;
$custom-light: #757a82;
$custom-dark: #000000;

JSON

{
  "hex": "#404752",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 82
  },
  "hsl": {
    "h": 216.667,
    "s": 12.329,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39581,
    "c": 0.02077,
    "h": 259.4
  },
  "luminance": 0.06206
}

Semantic roles & 50–950 ramp

primary

#404752

secondary

#81796D

accent

#9B73B5

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404752

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

Preview Lab → · Contrast checker → · Palette generator →