#404656#404656

#404656 is a dark, muted blue. Relative luminance 0.061; OKLCH L 39.5% C 0.028 H 268.9°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#404656
RGB	rgb(64, 70, 86)
HSL	hsl(224, 15%, 29%)
HSV	hsv(224, 26%, 34%)
CMYK	cmyk(25.6%, 18.6%, 0%, 66.3%)
CIE-LAB	lab(29.77, 1.63, -10.33)
CIE-LCH	lch(29.77, 10.46, 278.97°)
OKLab	oklab(39.51% -0.0005 -0.0282)
OKLCH	oklch(39.51% 0.028 268.9)
XYZ	xyz(5.9838, 6.1420, 9.6726)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404656 #565040

analogous

#405156 #404656 #454056

triadic

#404656 #564046 #465640

tetradic

#404656 #564051 #565040 #405645

square

#404656 #564051 #565040 #405645

split-complementary

#404656 #564540 #515640

monochromatic

#0D0E12 #262933 #404656 #5A6379 #77809A

Accessibility & contrast

On white

9.42

#404656 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#404656 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404656

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404656	#FFFFFF	#000000	##FFFFFF
##404656	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414757

Deuteranopia (green-blind)

#3F4556

Tritanopia (blue-blind)

#3B494B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #404656;
/* rgb */ color: rgb(64, 70, 86);
/* oklch */ color: oklch(39.5% 0.028 268.9);

Tailwind

colors: {
  custom: {
    50: '#757985',
    500: '#404656',
    950: '#000000',
  },
}

SCSS

$custom: #404656;
$custom-light: #757985;
$custom-dark: #000000;

JSON

{
  "hex": "#404656",
  "rgb": {
    "r": 64,
    "g": 70,
    "b": 86
  },
  "hsl": {
    "h": 223.636,
    "s": 14.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39509,
    "c": 0.02824,
    "h": 268.9
  },
  "luminance": 0.06142
}

Semantic roles & 50–950 ramp

primary

#404656

secondary

#857F6C

accent

#A470B7

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #404656

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

Preview Lab → · Contrast checker → · Palette generator →