#424CC7#424CC7

#424CC7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.5% C 0.189 H 273.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#424CC7
RGB	rgb(66, 76, 199)
HSL	hsl(235, 54%, 52%)
HSV	hsv(235, 67%, 78%)
CMYK	cmyk(66.8%, 61.8%, 0%, 22%)
CIE-LAB	lab(38.64, 35.51, -65.31)
CIE-LCH	lch(38.64, 74.34, 298.54°)
OKLab	oklab(48.53% 0.0114 -0.1883)
OKLCH	oklch(48.53% 0.189 273.5)
XYZ	xyz(15.1366, 10.4493, 55.2410)
Luminance	0.1045 (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

#424CC7 #C7BD42

analogous

#428EC7 #424CC7 #7B42C7

triadic

#424CC7 #C7424C #4CC742

tetradic

#424CC7 #C7428E #C7BD42 #42C77B

square

#424CC7 #C7428E #C7BD42 #42C77B

split-complementary

#424CC7 #C77B42 #8EC742

monochromatic

#21266E #2F379D #424CC7 #7179D5 #A0A5E3

Accessibility & contrast

On white

6.80

#424CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#424CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC7

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CC7	#FFFFFF	#000000	##FFFFFF
##424CC7	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CB

Deuteranopia (green-blind)

#0055C5

Tritanopia (blue-blind)

#006B82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424cc7;
/* rgb */ color: rgb(66, 76, 199);
/* oklch */ color: oklch(48.5% 0.189 273.5);

Tailwind

colors: {
  custom: {
    50: '#867ed9',
    500: '#424cc7',
    950: '#000000',
  },
}

SCSS

$custom: #424cc7;
$custom-light: #867ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#424cc7",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 199
  },
  "hsl": {
    "h": 235.489,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.48525,
    "c": 0.18868,
    "h": 273.5
  },
  "luminance": 0.10451
}

Semantic roles & 50–950 ramp

primary

#424CC7

secondary

#D0CB95

accent

#D34ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #424CC7

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

Preview Lab → · Contrast checker → · Palette generator →