#424AD0#424AD0

#424AD0 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.0% C 0.203 H 273.5°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#424AD0
RGB	rgb(66, 74, 208)
HSL	hsl(237, 60%, 54%)
HSV	hsv(237, 68%, 82%)
CMYK	cmyk(68.3%, 64.4%, 0%, 18.4%)
CIE-LAB	lab(38.91, 39.83, -70.07)
CIE-LCH	lch(38.91, 80.60, 299.61°)
OKLab	oklab(48.96% 0.0124 -0.2023)
OKLCH	oklch(48.96% 0.203 273.5)
XYZ	xyz(16.0769, 10.6084, 60.8626)
Luminance	0.1061 (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

#424AD0 #D0C842

analogous

#4291D0 #424AD0 #8142D0

triadic

#424AD0 #D0424A #4AD042

tetradic

#424AD0 #D04291 #D0C842 #42D081

square

#424AD0 #D04291 #D0C842 #42D081

split-complementary

#424AD0 #D08142 #91D042

monochromatic

#1E2379 #2A32AA #424AD0 #7379DC #A4A8E8

Accessibility & contrast

On white

6.73

#424AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#424AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD0

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AD0	#FFFFFF	#000000	##FFFFFF
##424AD0	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)

#0062D4

Deuteranopia (green-blind)

#0055CD

Tritanopia (blue-blind)

#006D86

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424ad0;
/* rgb */ color: rgb(66, 74, 208);
/* oklch */ color: oklch(49.0% 0.203 273.5);

Tailwind

colors: {
  custom: {
    50: '#887ddf',
    500: '#424ad0',
    950: '#000000',
  },
}

SCSS

$custom: #424ad0;
$custom-light: #887ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#424ad0",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 208
  },
  "hsl": {
    "h": 236.62,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.48959,
    "c": 0.20269,
    "h": 273.5
  },
  "luminance": 0.1061
}

Semantic roles & 50–950 ramp

primary

#424AD0

secondary

#D5D299

accent

#DA44E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #424AD0

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

Preview Lab → · Contrast checker → · Palette generator →