#404452#404452

#404452 is a dark, muted blue. Relative luminance 0.058; OKLCH L 38.8% C 0.024 H 272.7°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#404452
RGB	rgb(64, 68, 82)
HSL	hsl(227, 12%, 29%)
HSV	hsv(227, 22%, 32%)
CMYK	cmyk(22%, 17.1%, 0%, 67.8%)
CIE-LAB	lab(28.99, 1.84, -8.93)
CIE-LCH	lch(28.99, 9.12, 281.67°)
OKLab	oklab(38.85% 0.0011 -0.0243)
OKLCH	oklch(38.85% 0.024 272.7)
XYZ	xyz(5.7041, 5.8333, 8.8064)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404452 #524E40

analogous

#404D52 #404452 #454052

triadic

#404452 #524044 #445240

tetradic

#404452 #52404D #524E40 #405245

square

#404452 #52404D #524E40 #405245

split-complementary

#404452 #524540 #4D5240

monochromatic

#0D0E11 #252730 #404452 #5B6174 #777E95

Accessibility & contrast

On white

9.69

#404452 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#404452 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404452

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404452	#FFFFFF	#000000	##FFFFFF
##404452	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404553

Deuteranopia (green-blind)

#3F4452

Tritanopia (blue-blind)

#3C4749

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #404452;
/* rgb */ color: rgb(64, 68, 82);
/* oklch */ color: oklch(38.8% 0.024 272.7);

Tailwind

colors: {
  custom: {
    50: '#757782',
    500: '#404452',
    950: '#000000',
  },
}

SCSS

$custom: #404452;
$custom-light: #757782;
$custom-dark: #000000;

JSON

{
  "hex": "#404452",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 82
  },
  "hsl": {
    "h": 226.667,
    "s": 12.329,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38847,
    "c": 0.02435,
    "h": 272.7
  },
  "luminance": 0.05833
}

Semantic roles & 50–950 ramp

primary

#404452

secondary

#817D6D

accent

#A673B5

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #404452

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

Preview Lab → · Contrast checker → · Palette generator →