#424A5A#424A5A

#424A5A is a dark, muted blue. Relative luminance 0.068; OKLCH L 40.8% C 0.029 H 264.2°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#424A5A
RGB	rgb(66, 74, 90)
HSL	hsl(220, 15%, 31%)
HSV	hsv(220, 27%, 35%)
CMYK	cmyk(26.7%, 17.8%, 0%, 64.7%)
CIE-LAB	lab(31.33, 0.87, -10.51)
CIE-LCH	lch(31.33, 10.54, 274.75°)
OKLab	oklab(40.83% -0.0029 -0.0287)
OKLCH	oklch(40.83% 0.029 264.2)
XYZ	xyz(6.5405, 6.7938, 10.6376)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424A5A #5A5242

analogous

#42565A #424A5A #46425A

triadic

#424A5A #5A424A #4A5A42

tetradic

#424A5A #5A4256 #5A5242 #425A46

square

#424A5A #5A4256 #5A5242 #425A46

split-complementary

#424A5A #5A4642 #565A42

monochromatic

#0E1013 #282D37 #424A5A #5C677D #79859D

Accessibility & contrast

On white

8.90

#424A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#424A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A5A

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424A5A	#FFFFFF	#000000	##FFFFFF
##424A5A	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5B

Deuteranopia (green-blind)

#43495A

Tritanopia (blue-blind)

#3C4D4F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #424a5a;
/* rgb */ color: rgb(66, 74, 90);
/* oklch */ color: oklch(40.8% 0.029 264.2);

Tailwind

colors: {
  custom: {
    50: '#777c88',
    500: '#424a5a',
    950: '#000000',
  },
}

SCSS

$custom: #424a5a;
$custom-light: #777c88;
$custom-dark: #000000;

JSON

{
  "hex": "#424a5a",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 90
  },
  "hsl": {
    "h": 220,
    "s": 15.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40829,
    "c": 0.02888,
    "h": 264.2
  },
  "luminance": 0.06794
}

Semantic roles & 50–950 ramp

primary

#424A5A

secondary

#89806F

accent

#A070B8

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #424A5A

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

Preview Lab → · Contrast checker → · Palette generator →