#424F63#424F63

#424F63 is a dark, muted blue. Relative luminance 0.077; OKLCH L 42.4% C 0.037 H 258.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#424F63
RGB	rgb(66, 79, 99)
HSL	hsl(216, 20%, 32%)
HSV	hsv(216, 33%, 39%)
CMYK	cmyk(33.3%, 20.2%, 0%, 61.2%)
CIE-LAB	lab(33.24, 0.22, -13.31)
CIE-LCH	lch(33.24, 13.31, 270.93°)
OKLab	oklab(42.45% -0.0072 -0.0366)
OKLCH	oklch(42.45% 0.037 258.9)
XYZ	xyz(7.2942, 7.6508, 12.8944)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F63 #635642

analogous

#425F63 #424F63 #464263

triadic

#424F63 #63424F #4F6342

tetradic

#424F63 #63425F #635642 #426346

square

#424F63 #63425F #635642 #426346

split-complementary

#424F63 #634642 #5F6342

monochromatic

#11141A #2A323E #424F63 #5A6C88 #798BA6

Accessibility & contrast

On white

8.30

#424F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#424F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F63

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F63	#FFFFFF	#000000	##FFFFFF
##424F63	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485064

Deuteranopia (green-blind)

#454D63

Tritanopia (blue-blind)

#385356

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424f63;
/* rgb */ color: rgb(66, 79, 99);
/* oklch */ color: oklch(42.4% 0.037 258.9);

Tailwind

colors: {
  custom: {
    50: '#77808f',
    500: '#424f63',
    950: '#000000',
  },
}

SCSS

$custom: #424f63;
$custom-light: #77808f;
$custom-dark: #000000;

JSON

{
  "hex": "#424f63",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 99
  },
  "hsl": {
    "h": 216.364,
    "s": 20,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42447,
    "c": 0.03734,
    "h": 258.9
  },
  "luminance": 0.07651
}

Semantic roles & 50–950 ramp

primary

#424F63

secondary

#92846F

accent

#9D6BBD

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#090A0C

muted

#7B7C7D

Preview Lab

Preview with #424F63

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

Preview Lab → · Contrast checker → · Palette generator →