#424CD1#424CD1

#424CD1 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.4% C 0.202 H 273.1°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#424CD1
RGB	rgb(66, 76, 209)
HSL	hsl(236, 61%, 54%)
HSV	hsv(236, 68%, 82%)
CMYK	cmyk(68.4%, 63.6%, 0%, 18%)
CIE-LAB	lab(39.46, 38.94, -69.75)
CIE-LCH	lch(39.46, 79.89, 299.17°)
OKLab	oklab(49.39% 0.0109 -0.2014)
OKLCH	oklch(49.39% 0.202 273.1)
XYZ	xyz(16.3360, 10.9290, 61.5578)
Luminance	0.1093 (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

#424CD1 #D1C742

analogous

#4294D1 #424CD1 #8042D1

triadic

#424CD1 #D1424C #4CD142

tetradic

#424CD1 #D14294 #D1C742 #42D180

square

#424CD1 #D14294 #D1C742 #42D180

split-complementary

#424CD1 #D18042 #94D142

monochromatic

#1E247B #2A33AC #424CD1 #737BDD #A4A9E9

Accessibility & contrast

On white

6.59

#424CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#424CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CD1

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CD1	#FFFFFF	#000000	##FFFFFF
##424CD1	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D5

Deuteranopia (green-blind)

#0056CE

Tritanopia (blue-blind)

#006E87

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424cd1;
/* rgb */ color: rgb(66, 76, 209);
/* oklch */ color: oklch(49.4% 0.202 273.1);

Tailwind

colors: {
  custom: {
    50: '#887ee0',
    500: '#424cd1',
    950: '#000000',
  },
}

SCSS

$custom: #424cd1;
$custom-light: #887ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#424cd1",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 209
  },
  "hsl": {
    "h": 235.804,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49385,
    "c": 0.20165,
    "h": 273.1
  },
  "luminance": 0.10931
}

Semantic roles & 50–950 ramp

primary

#424CD1

secondary

#D6D299

accent

#D944E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424CD1

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

Preview Lab → · Contrast checker → · Palette generator →