#424AB2#424AB2

#424AB2 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.4% C 0.163 H 274.8°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#424AB2
RGB	rgb(66, 74, 178)
HSL	hsl(236, 46%, 48%)
HSV	hsv(236, 63%, 70%)
CMYK	cmyk(62.9%, 58.4%, 0%, 30.2%)
CIE-LAB	lab(36.50, 29.53, -56.48)
CIE-LCH	lch(36.50, 63.74, 297.60°)
OKLab	oklab(46.43% 0.0136 -0.1624)
OKLCH	oklch(46.43% 0.163 274.8)
XYZ	xyz(12.7288, 9.2691, 43.2292)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424AB2 #B2AA42

analogous

#4282B2 #424AB2 #7242B2

triadic

#424AB2 #B2424A #4AB242

tetradic

#424AB2 #B24282 #B2AA42 #42B272

square

#424AB2 #B24282 #B2AA42 #42B272

split-complementary

#424AB2 #B27242 #82B242

monochromatic

#212559 #313785 #424AB2 #6A70C8 #969BD8

Accessibility & contrast

On white

7.36

#424AB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#424AB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424AB2

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AB2	#FFFFFF	#000000	##FFFFFF
##424AB2	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #424ab2;
/* rgb */ color: rgb(66, 74, 178);
/* oklch */ color: oklch(46.4% 0.163 274.8);

Tailwind

colors: {
  custom: {
    50: '#827cca',
    500: '#424ab2',
    950: '#000000',
  },
}

SCSS

$custom: #424ab2;
$custom-light: #827cca;
$custom-dark: #000000;

JSON

{
  "hex": "#424ab2",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 178
  },
  "hsl": {
    "h": 235.714,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46428,
    "c": 0.16298,
    "h": 274.8
  },
  "luminance": 0.0927
}

Semantic roles & 50–950 ramp

primary

#424AB2

secondary

#C4C08C

accent

#CC52D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #424AB2

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

Preview Lab → · Contrast checker → · Palette generator →