#424A63#424A63

#424A63 is a dark, muted blue. Relative luminance 0.070; OKLCH L 41.2% C 0.043 H 270.7°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#424A63
RGB	rgb(66, 74, 99)
HSL	hsl(225, 20%, 32%)
HSV	hsv(225, 33%, 39%)
CMYK	cmyk(33.3%, 25.3%, 0%, 61.2%)
CIE-LAB	lab(31.71, 3.42, -15.67)
CIE-LCH	lch(31.71, 16.03, 282.31°)
OKLab	oklab(41.25% 0.0005 -0.0433)
OKLCH	oklch(41.25% 0.043 270.7)
XYZ	xyz(6.9470, 6.9564, 12.7787)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424A63 #635B42

analogous

#425A63 #424A63 #4B4263

triadic

#424A63 #63424A #4A6342

tetradic

#424A63 #63425A #635B42 #42634B

square

#424A63 #63425A #635B42 #42634B

split-complementary

#424A63 #634B42 #5A6342

monochromatic

#11131A #2A2F3E #424A63 #5A6588 #7984A6

Accessibility & contrast

On white

8.78

#424A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#424A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A63

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424A63	#FFFFFF	#000000	##FFFFFF
##424A63	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424C64

Deuteranopia (green-blind)

#404962

Tritanopia (blue-blind)

#394F53

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #424a63;
/* rgb */ color: rgb(66, 74, 99);
/* oklch */ color: oklch(41.2% 0.043 270.7);

Tailwind

colors: {
  custom: {
    50: '#777c8f',
    500: '#424a63',
    950: '#000000',
  },
}

SCSS

$custom: #424a63;
$custom-light: #777c8f;
$custom-dark: #000000;

JSON

{
  "hex": "#424a63",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 99
  },
  "hsl": {
    "h": 225.455,
    "s": 20,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41245,
    "c": 0.04328,
    "h": 270.7
  },
  "luminance": 0.06957
}

Semantic roles & 50–950 ramp

primary

#424A63

secondary

#928A6F

accent

#A96BBD

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#09090C

muted

#7B7B7D

Preview Lab

Preview with #424A63

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

Preview Lab → · Contrast checker → · Palette generator →