#404054#404054

#404054 is a dark, muted blue. Relative luminance 0.054; OKLCH L 38.0% C 0.034 H 284.7°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#404054
RGB	rgb(64, 64, 84)
HSL	hsl(240, 14%, 29%)
HSV	hsv(240, 24%, 33%)
CMYK	cmyk(23.8%, 23.8%, 0%, 67.1%)
CIE-LAB	lab(27.84, 5.00, -11.97)
CIE-LCH	lch(27.84, 12.98, 292.66°)
OKLab	oklab(37.98% 0.0086 -0.0328)
OKLCH	oklch(37.98% 0.034 284.7)
XYZ	xyz(5.5476, 5.3968, 9.1352)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404054 #545440

analogous

#404A54 #404054 #4A4054

triadic

#404054 #544040 #405440

tetradic

#404054 #54404A #545440 #40544A

square

#404054 #54404A #545440 #40544A

split-complementary

#404054 #544A40 #4A5440

monochromatic

#0D0D11 #262631 #404054 #5A5A77 #777797

Accessibility & contrast

On white

10.10

#404054 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#404054 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404054

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404054	#FFFFFF	#000000	##FFFFFF
##404054	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4255

Deuteranopia (green-blind)

#3A4153

Tritanopia (blue-blind)

#3C4347

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #404054;
/* rgb */ color: rgb(64, 64, 84);
/* oklch */ color: oklch(38.0% 0.034 284.7);

Tailwind

colors: {
  custom: {
    50: '#757484',
    500: '#404054',
    950: '#000000',
  },
}

SCSS

$custom: #404054;
$custom-light: #757484;
$custom-dark: #000000;

JSON

{
  "hex": "#404054",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 84
  },
  "hsl": {
    "h": 240,
    "s": 13.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37976,
    "c": 0.03393,
    "h": 284.7
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#404054

secondary

#83836D

accent

#B671B6

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #404054

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

Preview Lab → · Contrast checker → · Palette generator →