#404152#404152

#404152 is a dark, muted blue. Relative luminance 0.055; OKLCH L 38.1% C 0.029 H 282.3°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#404152
RGB	rgb(64, 65, 82)
HSL	hsl(237, 12%, 29%)
HSV	hsv(237, 22%, 32%)
CMYK	cmyk(22%, 20.7%, 0%, 67.8%)
CIE-LAB	lab(28.06, 3.80, -10.33)
CIE-LCH	lch(28.06, 11.01, 290.19°)
OKLab	oklab(38.12% 0.0062 -0.0282)
OKLCH	oklch(38.12% 0.029 282.3)
XYZ	xyz(5.5273, 5.4797, 8.7475)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404152 #525140

analogous

#404A52 #404152 #484052

triadic

#404152 #524041 #415240

tetradic

#404152 #52404A #525140 #405248

square

#404152 #52404A #525140 #405248

split-complementary

#404152 #524840 #4A5240

monochromatic

#0D0E11 #252630 #404152 #5B5C74 #777995

Accessibility & contrast

On white

10.02

#404152 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#404152 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404152

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404152	#FFFFFF	#000000	##FFFFFF
##404152	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4353

Deuteranopia (green-blind)

#3C4252

Tritanopia (blue-blind)

#3C4447

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #404152;
/* rgb */ color: rgb(64, 65, 82);
/* oklch */ color: oklch(38.1% 0.029 282.3);

Tailwind

colors: {
  custom: {
    50: '#757582',
    500: '#404152',
    950: '#000000',
  },
}

SCSS

$custom: #404152;
$custom-light: #757582;
$custom-dark: #000000;

JSON

{
  "hex": "#404152",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 82
  },
  "hsl": {
    "h": 236.667,
    "s": 12.329,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38122,
    "c": 0.02888,
    "h": 282.3
  },
  "luminance": 0.0548
}

Semantic roles & 50–950 ramp

primary

#404152

secondary

#81806D

accent

#B273B5

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #404152

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

Preview Lab → · Contrast checker → · Palette generator →