#424DC9#424DC9

#424DC9 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.9% C 0.190 H 273.2°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#424DC9
RGB	rgb(66, 77, 201)
HSL	hsl(235, 56%, 52%)
HSV	hsv(235, 67%, 79%)
CMYK	cmyk(67.2%, 61.7%, 0%, 21.2%)
CIE-LAB	lab(39.04, 35.58, -65.82)
CIE-LCH	lch(39.04, 74.82, 298.39°)
OKLab	oklab(48.87% 0.0106 -0.1898)
OKLCH	oklch(48.87% 0.19 273.2)
XYZ	xyz(15.4397, 10.6816, 56.4951)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DC9 #C9BE42

analogous

#4291C9 #424DC9 #7A42C9

triadic

#424DC9 #C9424D #4DC942

tetradic

#424DC9 #C94291 #C9BE42 #42C97A

square

#424DC9 #C94291 #C9BE42 #42C97A

split-complementary

#424DC9 #C97A42 #91C942

monochromatic

#202770 #2E37A0 #424DC9 #727AD7 #A1A7E4

Accessibility & contrast

On white

6.70

#424DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#424DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DC9

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DC9	#FFFFFF	#000000	##FFFFFF
##424DC9	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CD

Deuteranopia (green-blind)

#0056C7

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424dc9;
/* rgb */ color: rgb(66, 77, 201);
/* oklch */ color: oklch(48.9% 0.190 273.2);

Tailwind

colors: {
  custom: {
    50: '#867fda',
    500: '#424dc9',
    950: '#000000',
  },
}

SCSS

$custom: #424dc9;
$custom-light: #867fda;
$custom-dark: #000000;

JSON

{
  "hex": "#424dc9",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 201
  },
  "hsl": {
    "h": 235.111,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.48872,
    "c": 0.1901,
    "h": 273.2
  },
  "luminance": 0.10683
}

Semantic roles & 50–950 ramp

primary

#424DC9

secondary

#D1CC96

accent

#D349DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #424DC9

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

Preview Lab → · Contrast checker → · Palette generator →