#424B71#424B71

#424B71 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.2% C 0.064 H 273.2°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#424B71
RGB	rgb(66, 75, 113)
HSL	hsl(229, 26%, 35%)
HSV	hsv(229, 42%, 44%)
CMYK	cmyk(41.6%, 33.6%, 0%, 55.7%)
CIE-LAB	lab(32.66, 7.00, -23.02)
CIE-LCH	lch(32.66, 24.06, 286.91°)
OKLab	oklab(42.2% 0.0036 -0.0644)
OKLCH	oklch(42.2% 0.064 273.2)
XYZ	xyz(7.7426, 7.3823, 16.6365)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B71 #716842

analogous

#426271 #424B71 #514271

triadic

#424B71 #71424B #4B7142

tetradic

#424B71 #714262 #716842 #427151

square

#424B71 #714262 #716842 #427151

split-complementary

#424B71 #715142 #627142

monochromatic

#151824 #2B314A #424B71 #596598 #7B86B2

Accessibility & contrast

On white

8.48

#424B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#424B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B71

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B71	#FFFFFF	#000000	##FFFFFF
##424B71	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F73

Deuteranopia (green-blind)

#3A4B70

Tritanopia (blue-blind)

#335359

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424b71;
/* rgb */ color: rgb(66, 75, 113);
/* oklch */ color: oklch(42.2% 0.064 273.2);

Tailwind

colors: {
  custom: {
    50: '#787d9a',
    500: '#424b71',
    950: '#000000',
  },
}

SCSS

$custom: #424b71;
$custom-light: #787d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#424b71",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 113
  },
  "hsl": {
    "h": 228.511,
    "s": 26.257,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42202,
    "c": 0.06447,
    "h": 273.2
  },
  "luminance": 0.07383
}

Semantic roles & 50–950 ramp

primary

#424B71

secondary

#9D9571

accent

#B165C3

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424B71

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

Preview Lab → · Contrast checker → · Palette generator →