#424BAB#424BAB

#424BAB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.1% C 0.152 H 274.7°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#424BAB
RGB	rgb(66, 75, 171)
HSL	hsl(235, 44%, 46%)
HSV	hsv(235, 61%, 67%)
CMYK	cmyk(61.4%, 56.1%, 0%, 32.9%)
CIE-LAB	lab(36.23, 26.46, -52.76)
CIE-LCH	lch(36.23, 59.02, 296.64°)
OKLab	oklab(46.07% 0.0125 -0.1514)
OKLCH	oklch(46.07% 0.152 274.7)
XYZ	xyz(12.1111, 9.1297, 39.6442)
Luminance	0.0913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BAB #ABA242

analogous

#4280AB #424BAB #6E42AB

triadic

#424BAB #AB424B #4BAB42

tetradic

#424BAB #AB4280 #ABA242 #42AB6E

square

#424BAB #AB4280 #ABA242 #42AB6E

split-complementary

#424BAB #AB6E42 #80AB42

monochromatic

#202453 #31387F #424BAB #666EC4 #9298D5

Accessibility & contrast

On white

7.43

#424BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#424BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BAB

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BAB	#FFFFFF	#000000	##FFFFFF
##424BAB	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AAE

Deuteranopia (green-blind)

#0051A9

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424bab;
/* rgb */ color: rgb(66, 75, 171);
/* oklch */ color: oklch(46.1% 0.152 274.7);

Tailwind

colors: {
  custom: {
    50: '#817dc5',
    500: '#424bab',
    950: '#000000',
  },
}

SCSS

$custom: #424bab;
$custom-light: #817dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#424bab",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 171
  },
  "hsl": {
    "h": 234.857,
    "s": 44.304,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46067,
    "c": 0.15195,
    "h": 274.7
  },
  "luminance": 0.09131
}

Semantic roles & 50–950 ramp

primary

#424BAB

secondary

#C0BC88

accent

#C954D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #424BAB

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

Preview Lab → · Contrast checker → · Palette generator →