#404058#404058

#404058 is a dark, muted blue. Relative luminance 0.055; OKLCH L 38.2% C 0.041 H 284.3°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#404058
RGB	rgb(64, 64, 88)
HSL	hsl(240, 16%, 30%)
HSV	hsv(240, 27%, 35%)
CMYK	cmyk(27.3%, 27.3%, 0%, 65.5%)
CIE-LAB	lab(28.01, 6.11, -14.31)
CIE-LCH	lch(28.01, 15.56, 293.13°)
OKLab	oklab(38.17% 0.0101 -0.0394)
OKLCH	oklch(38.17% 0.041 284.3)
XYZ	xyz(5.7088, 5.4612, 9.9840)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404058 #585840

analogous

#404C58 #404058 #4C4058

triadic

#404058 #584040 #405840

tetradic

#404058 #58404C #585840 #40584C

square

#404058 #58404C #585840 #40584C

split-complementary

#404058 #584C40 #4C5840

monochromatic

#0D0D12 #262635 #404058 #5A5A7B #77779C

Accessibility & contrast

On white

10.04

#404058 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#404058 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404058

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404058	#FFFFFF	#000000	##FFFFFF
##404058	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4359

Deuteranopia (green-blind)

#394157

Tritanopia (blue-blind)

#3A4448

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #404058;
/* rgb */ color: rgb(64, 64, 88);
/* oklch */ color: oklch(38.2% 0.041 284.3);

Tailwind

colors: {
  custom: {
    50: '#757487',
    500: '#404058',
    950: '#000000',
  },
}

SCSS

$custom: #404058;
$custom-light: #757487;
$custom-dark: #000000;

JSON

{
  "hex": "#404058",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 88
  },
  "hsl": {
    "h": 240,
    "s": 15.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.38169,
    "c": 0.04068,
    "h": 284.3
  },
  "luminance": 0.05461
}

Semantic roles & 50–950 ramp

primary

#404058

secondary

#87876C

accent

#B96FB9

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #404058

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

Preview Lab → · Contrast checker → · Palette generator →