#404754#404754

#404754 is a dark, muted blue. Relative luminance 0.062; OKLCH L 39.7% C 0.024 H 262.8°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#404754
RGB	rgb(64, 71, 84)
HSL	hsl(219, 14%, 29%)
HSV	hsv(219, 24%, 33%)
CMYK	cmyk(23.8%, 15.5%, 0%, 67.1%)
CIE-LAB	lab(30.00, 0.44, -8.69)
CIE-LCH	lch(30.00, 8.70, 272.92°)
OKLab	oklab(39.67% -0.003 -0.0237)
OKLCH	oklch(39.67% 0.024 262.8)
XYZ	xyz(5.9674, 6.2364, 9.2751)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404754 #544D40

analogous

#405154 #404754 #434054

triadic

#404754 #544047 #475440

tetradic

#404754 #544051 #544D40 #405443

square

#404754 #544051 #544D40 #405443

split-complementary

#404754 #544340 #515440

monochromatic

#0D0F11 #262A31 #404754 #5A6477 #778297

Accessibility & contrast

On white

9.34

#404754 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#404754 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404754

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404754	#FFFFFF	#000000	##FFFFFF
##404754	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434855

Deuteranopia (green-blind)

#414654

Tritanopia (blue-blind)

#3B4A4B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #404754;
/* rgb */ color: rgb(64, 71, 84);
/* oklch */ color: oklch(39.7% 0.024 262.8);

Tailwind

colors: {
  custom: {
    50: '#757a84',
    500: '#404754',
    950: '#000000',
  },
}

SCSS

$custom: #404754;
$custom-light: #757a84;
$custom-dark: #000000;

JSON

{
  "hex": "#404754",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 84
  },
  "hsl": {
    "h": 219,
    "s": 13.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39666,
    "c": 0.02386,
    "h": 262.8
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#404754

secondary

#837B6D

accent

#9E71B6

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404754

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

Preview Lab → · Contrast checker → · Palette generator →