#424CC0#424CC0

#424CC0 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.9% C 0.179 H 273.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#424CC0
RGB	rgb(66, 76, 192)
HSL	hsl(235, 50%, 51%)
HSV	hsv(235, 66%, 75%)
CMYK	cmyk(65.6%, 60.4%, 0%, 24.7%)
CIE-LAB	lab(38.08, 33.10, -62.14)
CIE-LCH	lch(38.08, 70.41, 298.04°)
OKLab	oklab(47.94% 0.0117 -0.179)
OKLCH	oklch(47.94% 0.179 273.7)
XYZ	xyz(14.3425, 10.1316, 51.0587)
Luminance	0.1013 (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

#424CC0 #C0B642

analogous

#428BC0 #424CC0 #7742C0

triadic

#424CC0 #C0424C #4CC042

tetradic

#424CC0 #C0428B #C0B642 #42C077

square

#424CC0 #C0428B #C0B642 #42C077

split-complementary

#424CC0 #C07742 #8BC042

monochromatic

#222766 #313994 #424CC0 #7077CF #9EA3DF

Accessibility & contrast

On white

6.94

#424CC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#424CC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC0

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CC0	#FFFFFF	#000000	##FFFFFF
##424CC0	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC4

Deuteranopia (green-blind)

#0054BE

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424cc0;
/* rgb */ color: rgb(66, 76, 192);
/* oklch */ color: oklch(47.9% 0.179 273.7);

Tailwind

colors: {
  custom: {
    50: '#857ed4',
    500: '#424cc0',
    950: '#000000',
  },
}

SCSS

$custom: #424cc0;
$custom-light: #857ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#424cc0",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 192
  },
  "hsl": {
    "h": 235.238,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47938,
    "c": 0.17941,
    "h": 273.7
  },
  "luminance": 0.10133
}

Semantic roles & 50–950 ramp

primary

#424CC0

secondary

#CBC693

accent

#CE4EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424CC0

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

Preview Lab → · Contrast checker → · Palette generator →