#424CC4#424CC4

#424CC4 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.3% C 0.185 H 273.6°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#424CC4
RGB	rgb(66, 76, 196)
HSL	hsl(235, 52%, 51%)
HSV	hsv(235, 66%, 77%)
CMYK	cmyk(66.3%, 61.2%, 0%, 23.1%)
CIE-LAB	lab(38.40, 34.48, -63.96)
CIE-LCH	lch(38.40, 72.66, 298.33°)
OKLab	oklab(48.27% 0.0115 -0.1844)
OKLCH	oklch(48.27% 0.185 273.6)
XYZ	xyz(14.7917, 10.3113, 53.4246)
Luminance	0.1031 (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

#424CC4 #C4BA42

analogous

#428DC4 #424CC4 #7942C4

triadic

#424CC4 #C4424C #4CC442

tetradic

#424CC4 #C4428D #C4BA42 #42C479

square

#424CC4 #C4428D #C4BA42 #42C479

split-complementary

#424CC4 #C47942 #8DC442

monochromatic

#21276A #303899 #424CC4 #7178D3 #9FA4E1

Accessibility & contrast

On white

6.86

#424CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#424CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC4

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CC4	#FFFFFF	#000000	##FFFFFF
##424CC4	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C8

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424cc4;
/* rgb */ color: rgb(66, 76, 196);
/* oklch */ color: oklch(48.3% 0.185 273.6);

Tailwind

colors: {
  custom: {
    50: '#867ed7',
    500: '#424cc4',
    950: '#000000',
  },
}

SCSS

$custom: #424cc4;
$custom-light: #867ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#424cc4",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 196
  },
  "hsl": {
    "h": 235.385,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48272,
    "c": 0.18472,
    "h": 273.6
  },
  "luminance": 0.10313
}

Semantic roles & 50–950 ramp

primary

#424CC4

secondary

#CEC994

accent

#D14CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424CC4

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

Preview Lab → · Contrast checker → · Palette generator →