#424AD4#424AD4

#424AD4 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.3% C 0.208 H 273.3°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#424AD4
RGB	rgb(66, 74, 212)
HSL	hsl(237, 63%, 55%)
HSV	hsv(237, 69%, 83%)
CMYK	cmyk(68.9%, 65.1%, 0%, 16.9%)
CIE-LAB	lab(39.25, 41.18, -71.82)
CIE-LCH	lch(39.25, 82.79, 299.83°)
OKLab	oklab(49.31% 0.0121 -0.2074)
OKLCH	oklch(49.31% 0.208 273.3)
XYZ	xyz(16.5752, 10.8077, 63.4872)
Luminance	0.1081 (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

#424AD4 #D4CC42

analogous

#4293D4 #424AD4 #8342D4

triadic

#424AD4 #D4424A #4AD442

tetradic

#424AD4 #D44293 #D4CC42 #42D483

square

#424AD4 #D44293 #D4CC42 #42D483

split-complementary

#424AD4 #D48342 #93D442

monochromatic

#1D227F #2830B1 #424AD4 #747ADF #A6A9EB

Accessibility & contrast

On white

6.64

#424AD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#424AD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD4

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AD4	#FFFFFF	#000000	##FFFFFF
##424AD4	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D8

Deuteranopia (green-blind)

#0056D1

Tritanopia (blue-blind)

#006E88

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424ad4;
/* rgb */ color: rgb(66, 74, 212);
/* oklch */ color: oklch(49.3% 0.208 273.3);

Tailwind

colors: {
  custom: {
    50: '#897de2',
    500: '#424ad4',
    950: '#000000',
  },
}

SCSS

$custom: #424ad4;
$custom-light: #897de2;
$custom-dark: #000000;

JSON

{
  "hex": "#424ad4",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 212
  },
  "hsl": {
    "h": 236.712,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.49313,
    "c": 0.20777,
    "h": 273.3
  },
  "luminance": 0.10809
}

Semantic roles & 50–950 ramp

primary

#424AD4

secondary

#D8D49A

accent

#DD42E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #424AD4

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

Preview Lab → · Contrast checker → · Palette generator →