#424DAB#424DAB

#424DAB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.5% C 0.149 H 274.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#424DAB
RGB	rgb(66, 77, 171)
HSL	hsl(234, 44%, 46%)
HSV	hsv(234, 61%, 67%)
CMYK	cmyk(61.4%, 55%, 0%, 32.9%)
CIE-LAB	lab(36.75, 25.17, -51.91)
CIE-LCH	lch(36.75, 57.70, 295.87°)
OKLab	oklab(46.46% 0.0105 -0.1489)
OKLCH	oklch(46.46% 0.149 274)
XYZ	xyz(12.2489, 9.4053, 39.6901)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DAB #ABA042

analogous

#4282AB #424DAB #6C42AB

triadic

#424DAB #AB424D #4DAB42

tetradic

#424DAB #AB4282 #ABA042 #42AB6C

square

#424DAB #AB4282 #ABA042 #42AB6C

split-complementary

#424DAB #AB6C42 #82AB42

monochromatic

#202553 #31397F #424DAB #6670C4 #9299D5

Accessibility & contrast

On white

7.29

#424DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#424DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424DAB

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DAB	#FFFFFF	#000000	##FFFFFF
##424DAB	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A5BAE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #424dab;
/* rgb */ color: rgb(66, 77, 171);
/* oklch */ color: oklch(46.5% 0.149 274.0);

Tailwind

colors: {
  custom: {
    50: '#817ec5',
    500: '#424dab',
    950: '#000000',
  },
}

SCSS

$custom: #424dab;
$custom-light: #817ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#424dab",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 171
  },
  "hsl": {
    "h": 233.714,
    "s": 44.304,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46456,
    "c": 0.14931,
    "h": 274
  },
  "luminance": 0.09406
}

Semantic roles & 50–950 ramp

primary

#424DAB

secondary

#C0BB88

accent

#C754D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #424DAB

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

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