#424A5F#424A5F

#424A5F is a dark, muted blue. Relative luminance 0.069; OKLCH L 41.1% C 0.037 H 268.5°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#424A5F
RGB	rgb(66, 74, 95)
HSL	hsl(223, 18%, 32%)
HSV	hsv(223, 31%, 37%)
CMYK	cmyk(30.5%, 22.1%, 0%, 62.7%)
CIE-LAB	lab(31.54, 2.27, -13.38)
CIE-LCH	lch(31.54, 13.58, 279.61°)
OKLab	oklab(41.06% -0.001 -0.0368)
OKLCH	oklch(41.06% 0.037 268.5)
XYZ	xyz(6.7605, 6.8818, 11.7964)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424A5F #5F5742

analogous

#42595F #424A5F #49425F

triadic

#424A5F #5F424A #4A5F42

tetradic

#424A5F #5F4259 #5F5742 #425F49

square

#424A5F #5F4259 #5F5742 #425F49

split-complementary

#424A5F #5F4942 #595F42

monochromatic

#101217 #292E3B #424A5F #5B6683 #7985A2

Accessibility & contrast

On white

8.84

#424A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#424A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A5F

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424A5F	#FFFFFF	#000000	##FFFFFF
##424A5F	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434C60

Deuteranopia (green-blind)

#41495E

Tritanopia (blue-blind)

#3A4E51

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #424a5f;
/* rgb */ color: rgb(66, 74, 95);
/* oklch */ color: oklch(41.1% 0.037 268.5);

Tailwind

colors: {
  custom: {
    50: '#777c8c',
    500: '#424a5f',
    950: '#000000',
  },
}

SCSS

$custom: #424a5f;
$custom-light: #777c8c;
$custom-dark: #000000;

JSON

{
  "hex": "#424a5f",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 95
  },
  "hsl": {
    "h": 223.448,
    "s": 18.012,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41055,
    "c": 0.03683,
    "h": 268.5
  },
  "luminance": 0.06882
}

Semantic roles & 50–950 ramp

primary

#424A5F

secondary

#8E866E

accent

#A56DBB

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#08090C

muted

#7B7B7D

Preview Lab

Preview with #424A5F

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

Preview Lab → · Contrast checker → · Palette generator →