#424CC1#424CC1

#424CC1 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.0% C 0.181 H 273.7°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#424CC1
RGB	rgb(66, 76, 193)
HSL	hsl(235, 51%, 51%)
HSV	hsv(235, 66%, 76%)
CMYK	cmyk(65.8%, 60.6%, 0%, 24.3%)
CIE-LAB	lab(38.16, 33.45, -62.60)
CIE-LCH	lch(38.16, 70.97, 298.11°)
OKLab	oklab(48.02% 0.0116 -0.1804)
OKLCH	oklch(48.02% 0.181 273.7)
XYZ	xyz(14.4536, 10.1761, 51.6442)
Luminance	0.1018 (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

#424CC1 #C1B742

analogous

#428BC1 #424CC1 #7742C1

triadic

#424CC1 #C1424C #4CC142

tetradic

#424CC1 #C1428B #C1B742 #42C177

square

#424CC1 #C1428B #C1B742 #42C177

split-complementary

#424CC1 #C17742 #8BC142

monochromatic

#222767 #313995 #424CC1 #7078D0 #9EA3DF

Accessibility & contrast

On white

6.92

#424CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#424CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC1

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CC1	#FFFFFF	#000000	##FFFFFF
##424CC1	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C5

Deuteranopia (green-blind)

#0054BF

Tritanopia (blue-blind)

#00697F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424cc1;
/* rgb */ color: rgb(66, 76, 193);
/* oklch */ color: oklch(48.0% 0.181 273.7);

Tailwind

colors: {
  custom: {
    50: '#857ed5',
    500: '#424cc1',
    950: '#000000',
  },
}

SCSS

$custom: #424cc1;
$custom-light: #857ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#424cc1",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 193
  },
  "hsl": {
    "h": 235.276,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48021,
    "c": 0.18074,
    "h": 273.7
  },
  "luminance": 0.10177
}

Semantic roles & 50–950 ramp

primary

#424CC1

secondary

#CCC793

accent

#CF4EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424CC1

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

Preview Lab → · Contrast checker → · Palette generator →