#424DC4#424DC4

#424DC4 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.5% C 0.183 H 273.4°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#424DC4
RGB	rgb(66, 77, 196)
HSL	hsl(235, 52%, 51%)
HSV	hsv(235, 66%, 77%)
CMYK	cmyk(66.3%, 60.7%, 0%, 23.1%)
CIE-LAB	lab(38.64, 33.85, -63.56)
CIE-LCH	lch(38.64, 72.02, 298.04°)
OKLab	oklab(48.45% 0.0107 -0.1832)
OKLCH	oklch(48.45% 0.184 273.4)
XYZ	xyz(14.8611, 10.4502, 53.4478)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DC4 #C4B942

analogous

#428EC4 #424DC4 #7842C4

triadic

#424DC4 #C4424D #4DC442

tetradic

#424DC4 #C4428E #C4B942 #42C478

square

#424DC4 #C4428E #C4B942 #42C478

split-complementary

#424DC4 #C47842 #8EC442

monochromatic

#21276A #303999 #424DC4 #7179D3 #9FA5E1

Accessibility & contrast

On white

6.80

#424DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#424DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DC4

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DC4	#FFFFFF	#000000	##FFFFFF
##424DC4	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)

#0061C8

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#006B81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424dc4;
/* rgb */ color: rgb(66, 77, 196);
/* oklch */ color: oklch(48.5% 0.183 273.4);

Tailwind

colors: {
  custom: {
    50: '#857fd7',
    500: '#424dc4',
    950: '#000000',
  },
}

SCSS

$custom: #424dc4;
$custom-light: #857fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#424dc4",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 196
  },
  "hsl": {
    "h": 234.923,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48451,
    "c": 0.1835,
    "h": 273.4
  },
  "luminance": 0.10452
}

Semantic roles & 50–950 ramp

primary

#424DC4

secondary

#CEC994

accent

#D04CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424DC4

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

Preview Lab → · Contrast checker → · Palette generator →