#424EC4#424EC4

#424EC4 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.6% C 0.182 H 273.1°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#424EC4
RGB	rgb(66, 78, 196)
HSL	hsl(234, 52%, 51%)
HSV	hsv(234, 66%, 77%)
CMYK	cmyk(66.3%, 60.2%, 0%, 23.1%)
CIE-LAB	lab(38.88, 33.22, -63.17)
CIE-LCH	lch(38.88, 71.37, 297.74°)
OKLab	oklab(48.63% 0.0099 -0.182)
OKLCH	oklch(48.63% 0.182 273.1)
XYZ	xyz(14.9316, 10.5912, 53.4713)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EC4 #C4B842

analogous

#428FC4 #424EC4 #7742C4

triadic

#424EC4 #C4424E #4EC442

tetradic

#424EC4 #C4428F #C4B842 #42C477

square

#424EC4 #C4428F #C4B842 #42C477

split-complementary

#424EC4 #C47742 #8FC442

monochromatic

#21286A #303999 #424EC4 #717AD3 #9FA5E1

Accessibility & contrast

On white

6.73

#424EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#424EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424EC4

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EC4	#FFFFFF	#000000	##FFFFFF
##424EC4	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C8

Deuteranopia (green-blind)

#0056C2

Tritanopia (blue-blind)

#006B81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424ec4;
/* rgb */ color: rgb(66, 78, 196);
/* oklch */ color: oklch(48.6% 0.182 273.1);

Tailwind

colors: {
  custom: {
    50: '#857fd7',
    500: '#424ec4',
    950: '#000000',
  },
}

SCSS

$custom: #424ec4;
$custom-light: #857fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#424ec4",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 196
  },
  "hsl": {
    "h": 234.462,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48632,
    "c": 0.18228,
    "h": 273.1
  },
  "luminance": 0.10593
}

Semantic roles & 50–950 ramp

primary

#424EC4

secondary

#CEC894

accent

#CF4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424EC4

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

Preview Lab → · Contrast checker → · Palette generator →