#424B72#424B72

#424B72 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.3% C 0.066 H 273.3°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#424B72
RGB	rgb(66, 75, 114)
HSL	hsl(229, 27%, 35%)
HSV	hsv(229, 42%, 45%)
CMYK	cmyk(42.1%, 34.2%, 0%, 55.3%)
CIE-LAB	lab(32.71, 7.31, -23.57)
CIE-LCH	lch(32.71, 24.68, 287.23°)
OKLab	oklab(42.26% 0.0039 -0.066)
OKLCH	oklch(42.26% 0.066 273.3)
XYZ	xyz(7.7992, 7.4049, 16.9347)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B72 #726942

analogous

#426372 #424B72 #514272

triadic

#424B72 #72424B #4B7242

tetradic

#424B72 #724263 #726942 #427251

square

#424B72 #724263 #726942 #427251

split-complementary

#424B72 #725142 #637242

monochromatic

#151824 #2C314B #424B72 #586499 #7C86B3

Accessibility & contrast

On white

8.46

#424B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#424B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B72

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B72	#FFFFFF	#000000	##FFFFFF
##424B72	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F74

Deuteranopia (green-blind)

#3A4B71

Tritanopia (blue-blind)

#335359

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424b72;
/* rgb */ color: rgb(66, 75, 114);
/* oklch */ color: oklch(42.3% 0.066 273.3);

Tailwind

colors: {
  custom: {
    50: '#787d9a',
    500: '#424b72',
    950: '#000000',
  },
}

SCSS

$custom: #424b72;
$custom-light: #787d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#424b72",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 114
  },
  "hsl": {
    "h": 228.75,
    "s": 26.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42257,
    "c": 0.06607,
    "h": 273.3
  },
  "luminance": 0.07405
}

Semantic roles & 50–950 ramp

primary

#424B72

secondary

#9E9672

accent

#B165C3

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424B72

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

Preview Lab → · Contrast checker → · Palette generator →