#404D64#404D64

#404D64 is a dark, muted blue. Relative luminance 0.073; OKLCH L 41.9% C 0.042 H 261.7°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#404D64
RGB	rgb(64, 77, 100)
HSL	hsl(218, 22%, 32%)
HSV	hsv(218, 36%, 39%)
CMYK	cmyk(36%, 23%, 0%, 60.8%)
CIE-LAB	lab(32.52, 1.12, -15.07)
CIE-LCH	lch(32.52, 15.11, 274.27°)
OKLab	oklab(41.85% -0.0061 -0.0416)
OKLCH	oklch(41.85% 0.042 261.7)
XYZ	xyz(7.0678, 7.3175, 13.0941)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D64 #645740

analogous

#405F64 #404D64 #454064

triadic

#404D64 #64404D #4D6440

tetradic

#404D64 #64405F #645740 #406445

square

#404D64 #64405F #645740 #406445

split-complementary

#404D64 #644540 #5F6440

monochromatic

#101419 #28303F #404D64 #586A89 #7788A8

Accessibility & contrast

On white

8.52

#404D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#404D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D64

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D64	#FFFFFF	#000000	##FFFFFF
##404D64	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454E65

Deuteranopia (green-blind)

#414B63

Tritanopia (blue-blind)

#355255

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #404d64;
/* rgb */ color: rgb(64, 77, 100);
/* oklch */ color: oklch(41.9% 0.042 261.7);

Tailwind

colors: {
  custom: {
    50: '#767e90',
    500: '#404d64',
    950: '#000000',
  },
}

SCSS

$custom: #404d64;
$custom-light: #767e90;
$custom-dark: #000000;

JSON

{
  "hex": "#404d64",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 100
  },
  "hsl": {
    "h": 218.333,
    "s": 21.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41854,
    "c": 0.04206,
    "h": 261.7
  },
  "luminance": 0.07318
}

Semantic roles & 50–950 ramp

primary

#404D64

secondary

#93856C

accent

#A069BE

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #404D64

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

Preview Lab → · Contrast checker → · Palette generator →