#424BC4#424BC4

#424BC4 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.1% C 0.186 H 273.8°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#424BC4
RGB	rgb(66, 75, 196)
HSL	hsl(236, 52%, 51%)
HSV	hsv(236, 66%, 77%)
CMYK	cmyk(66.3%, 61.7%, 0%, 23.1%)
CIE-LAB	lab(38.15, 35.11, -64.35)
CIE-LCH	lch(38.15, 73.31, 298.61°)
OKLab	oklab(48.09% 0.0123 -0.1855)
OKLCH	oklch(48.09% 0.186 273.8)
XYZ	xyz(14.7233, 10.1746, 53.4018)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BC4 #C4BB42

analogous

#428CC4 #424BC4 #7A42C4

triadic

#424BC4 #C4424B #4BC442

tetradic

#424BC4 #C4428C #C4BB42 #42C47A

square

#424BC4 #C4428C #C4BB42 #42C47A

split-complementary

#424BC4 #C47A42 #8CC442

monochromatic

#21266A #303799 #424BC4 #7177D3 #9FA4E1

Accessibility & contrast

On white

6.92

#424BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#424BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BC4

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BC4	#FFFFFF	#000000	##FFFFFF
##424BC4	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C8

Deuteranopia (green-blind)

#0054C2

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424bc4;
/* rgb */ color: rgb(66, 75, 196);
/* oklch */ color: oklch(48.1% 0.186 273.8);

Tailwind

colors: {
  custom: {
    50: '#867dd7',
    500: '#424bc4',
    950: '#000000',
  },
}

SCSS

$custom: #424bc4;
$custom-light: #867dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#424bc4",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 196
  },
  "hsl": {
    "h": 235.846,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48094,
    "c": 0.18594,
    "h": 273.8
  },
  "luminance": 0.10176
}

Semantic roles & 50–950 ramp

primary

#424BC4

secondary

#CECA94

accent

#D24CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #424BC4

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

Preview Lab → · Contrast checker → · Palette generator →