#424CC5#424CC5

#424CC5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.4% C 0.186 H 273.5°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#424CC5
RGB	rgb(66, 76, 197)
HSL	hsl(235, 53%, 52%)
HSV	hsv(235, 66%, 77%)
CMYK	cmyk(66.5%, 61.4%, 0%, 22.7%)
CIE-LAB	lab(38.48, 34.83, -64.41)
CIE-LCH	lch(38.48, 73.22, 298.40°)
OKLab	oklab(48.36% 0.0115 -0.1857)
OKLCH	oklch(48.36% 0.186 273.5)
XYZ	xyz(14.9059, 10.3570, 54.0261)
Luminance	0.1036 (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

#424CC5 #C5BB42

analogous

#428EC5 #424CC5 #7A42C5

triadic

#424CC5 #C5424C #4CC542

tetradic

#424CC5 #C5428E #C5BB42 #42C57A

square

#424CC5 #C5428E #C5BB42 #42C57A

split-complementary

#424CC5 #C57A42 #8EC542

monochromatic

#21276C #2F389A #424CC5 #7178D3 #A0A5E2

Accessibility & contrast

On white

6.84

#424CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#424CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC5

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CC5	#FFFFFF	#000000	##FFFFFF
##424CC5	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C9

Deuteranopia (green-blind)

#0055C3

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424cc5;
/* rgb */ color: rgb(66, 76, 197);
/* oklch */ color: oklch(48.4% 0.186 273.5);

Tailwind

colors: {
  custom: {
    50: '#867ed8',
    500: '#424cc5',
    950: '#000000',
  },
}

SCSS

$custom: #424cc5;
$custom-light: #867ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#424cc5",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 197
  },
  "hsl": {
    "h": 235.42,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48356,
    "c": 0.18605,
    "h": 273.5
  },
  "luminance": 0.10358
}

Semantic roles & 50–950 ramp

primary

#424CC5

secondary

#CECA95

accent

#D14BDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #424CC5

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

Preview Lab → · Contrast checker → · Palette generator →