#424BB0#424BB0

#424BB0 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.5% C 0.159 H 274.5°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#424BB0
RGB	rgb(66, 75, 176)
HSL	hsl(235, 45%, 47%)
HSV	hsv(235, 63%, 69%)
CMYK	cmyk(62.5%, 57.4%, 0%, 31%)
CIE-LAB	lab(36.60, 28.20, -55.13)
CIE-LCH	lch(36.60, 61.92, 297.09°)
OKLab	oklab(46.46% 0.0126 -0.1584)
OKLCH	oklch(46.46% 0.159 274.5)
XYZ	xyz(12.5967, 9.3240, 42.2018)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BB0 #B0A742

analogous

#4282B0 #424BB0 #7042B0

triadic

#424BB0 #B0424B #4BB042

tetradic

#424BB0 #B04282 #B0A742 #42B070

square

#424BB0 #B04282 #B0A742 #42B070

split-complementary

#424BB0 #B07042 #82B042

monochromatic

#212557 #313883 #424BB0 #6970C7 #959BD7

Accessibility & contrast

On white

7.33

#424BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#424BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BB0

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BB0	#FFFFFF	#000000	##FFFFFF
##424BB0	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB3

Deuteranopia (green-blind)

#0051AE

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #424bb0;
/* rgb */ color: rgb(66, 75, 176);
/* oklch */ color: oklch(46.5% 0.159 274.5);

Tailwind

colors: {
  custom: {
    50: '#827dc8',
    500: '#424bb0',
    950: '#000000',
  },
}

SCSS

$custom: #424bb0;
$custom-light: #827dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#424bb0",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 176
  },
  "hsl": {
    "h": 235.091,
    "s": 45.455,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46457,
    "c": 0.15892,
    "h": 274.5
  },
  "luminance": 0.09325
}

Semantic roles & 50–950 ramp

primary

#424BB0

secondary

#C3BE8B

accent

#CA53D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #424BB0

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

Preview Lab → · Contrast checker → · Palette generator →