#404F64#404F64

#404F64 is a dark, muted blue. Relative luminance 0.076; OKLCH L 42.3% C 0.040 H 256.8°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#404F64
RGB	rgb(64, 79, 100)
HSL	hsl(215, 22%, 32%)
HSV	hsv(215, 36%, 39%)
CMYK	cmyk(36%, 21%, 0%, 60.8%)
CIE-LAB	lab(33.14, -0.15, -14.12)
CIE-LCH	lch(33.14, 14.12, 269.39°)
OKLab	oklab(42.34% -0.0091 -0.0389)
OKLCH	oklch(42.34% 0.04 256.8)
XYZ	xyz(7.2099, 7.6017, 13.1415)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F64 #645540

analogous

#406164 #404F64 #434064

triadic

#404F64 #64404F #4F6440

tetradic

#404F64 #644061 #645540 #406443

square

#404F64 #644061 #645540 #406443

split-complementary

#404F64 #644340 #616440

monochromatic

#101419 #28323F #404F64 #586C89 #778BA8

Accessibility & contrast

On white

8.33

#404F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#404F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F64

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F64	#FFFFFF	#000000	##FFFFFF
##404F64	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485065

Deuteranopia (green-blind)

#444C64

Tritanopia (blue-blind)

#355356

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #404f64;
/* rgb */ color: rgb(64, 79, 100);
/* oklch */ color: oklch(42.3% 0.040 256.8);

Tailwind

colors: {
  custom: {
    50: '#768090',
    500: '#404f64',
    950: '#000000',
  },
}

SCSS

$custom: #404f64;
$custom-light: #768090;
$custom-dark: #000000;

JSON

{
  "hex": "#404f64",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 100
  },
  "hsl": {
    "h": 215,
    "s": 21.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4234,
    "c": 0.03999,
    "h": 256.8
  },
  "luminance": 0.07602
}

Semantic roles & 50–950 ramp

primary

#404F64

secondary

#93836C

accent

#9B69BE

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #404F64

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

Preview Lab → · Contrast checker → · Palette generator →