#424B73#424B73

#424B73 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.3% C 0.068 H 273.5°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#424B73
RGB	rgb(66, 75, 115)
HSL	hsl(229, 27%, 35%)
HSV	hsv(229, 43%, 45%)
CMYK	cmyk(42.6%, 34.8%, 0%, 54.9%)
CIE-LAB	lab(32.76, 7.62, -24.12)
CIE-LCH	lch(32.76, 25.30, 287.54°)
OKLab	oklab(42.31% 0.0042 -0.0675)
OKLCH	oklch(42.31% 0.068 273.5)
XYZ	xyz(7.8564, 7.4278, 17.2361)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B73 #736A42

analogous

#426373 #424B73 #514273

triadic

#424B73 #73424B #4B7342

tetradic

#424B73 #734263 #736A42 #427351

square

#424B73 #734263 #736A42 #427351

split-complementary

#424B73 #735142 #637342

monochromatic

#151825 #2C324C #424B73 #58649A #7C86B4

Accessibility & contrast

On white

8.45

#424B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#424B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B73

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B73	#FFFFFF	#000000	##FFFFFF
##424B73	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4F75

Deuteranopia (green-blind)

#394B72

Tritanopia (blue-blind)

#325359

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424b73;
/* rgb */ color: rgb(66, 75, 115);
/* oklch */ color: oklch(42.3% 0.068 273.5);

Tailwind

colors: {
  custom: {
    50: '#797d9b',
    500: '#424b73',
    950: '#000000',
  },
}

SCSS

$custom: #424b73;
$custom-light: #797d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#424b73",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 115
  },
  "hsl": {
    "h": 228.98,
    "s": 27.072,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42312,
    "c": 0.06768,
    "h": 273.5
  },
  "luminance": 0.07428
}

Semantic roles & 50–950 ramp

primary

#424B73

secondary

#9F9772

accent

#B264C3

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424B73

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

Preview Lab → · Contrast checker → · Palette generator →