#424EC8#424EC8

#424EC8 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.0% C 0.188 H 273.0°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#424EC8
RGB	rgb(66, 78, 200)
HSL	hsl(235, 55%, 52%)
HSV	hsv(235, 67%, 78%)
CMYK	cmyk(67%, 61%, 0%, 21.6%)
CIE-LAB	lab(39.20, 34.61, -64.97)
CIE-LCH	lch(39.20, 73.62, 298.04°)
OKLab	oklab(48.97% 0.0098 -0.1873)
OKLCH	oklch(48.97% 0.188 273)
XYZ	xyz(15.3930, 10.7757, 55.9011)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EC8 #C8BC42

analogous

#4291C8 #424EC8 #7942C8

triadic

#424EC8 #C8424E #4EC842

tetradic

#424EC8 #C84291 #C8BC42 #42C879

square

#424EC8 #C84291 #C8BC42 #42C879

split-complementary

#424EC8 #C87942 #91C842

monochromatic

#20276F #2E389F #424EC8 #717AD6 #A1A7E4

Accessibility & contrast

On white

6.66

#424EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#424EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424EC8

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EC8	#FFFFFF	#000000	##FFFFFF
##424EC8	1.00	6.66	3.16	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CC

Deuteranopia (green-blind)

#0056C6

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424ec8;
/* rgb */ color: rgb(66, 78, 200);
/* oklch */ color: oklch(49.0% 0.188 273.0);

Tailwind

colors: {
  custom: {
    50: '#867fda',
    500: '#424ec8',
    950: '#000000',
  },
}

SCSS

$custom: #424ec8;
$custom-light: #867fda;
$custom-dark: #000000;

JSON

{
  "hex": "#424ec8",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 200
  },
  "hsl": {
    "h": 234.627,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48965,
    "c": 0.18758,
    "h": 273
  },
  "luminance": 0.10777
}

Semantic roles & 50–950 ramp

primary

#424EC8

secondary

#D0CB96

accent

#D14ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #424EC8

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

Preview Lab → · Contrast checker → · Palette generator →