#424BC8#424BC8

#424BC8 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.4% C 0.191 H 273.6°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#424BC8
RGB	rgb(66, 75, 200)
HSL	hsl(236, 55%, 52%)
HSV	hsv(236, 67%, 78%)
CMYK	cmyk(67%, 62.5%, 0%, 21.6%)
CIE-LAB	lab(38.48, 36.48, -66.15)
CIE-LCH	lch(38.48, 75.54, 298.88°)
OKLab	oklab(48.44% 0.0122 -0.1908)
OKLCH	oklch(48.44% 0.191 273.6)
XYZ	xyz(15.1847, 10.3592, 55.8317)
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

#424BC8 #C8BF42

analogous

#428EC8 #424BC8 #7C42C8

triadic

#424BC8 #C8424B #4BC842

tetradic

#424BC8 #C8428E #C8BF42 #42C87C

square

#424BC8 #C8428E #C8BF42 #42C87C

split-complementary

#424BC8 #C87C42 #8EC842

monochromatic

#20266F #2E369F #424BC8 #7178D6 #A1A5E4

Accessibility & contrast

On white

6.84

#424BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#424BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BC8

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BC8	#FFFFFF	#000000	##FFFFFF
##424BC8	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)

#0061CC

Deuteranopia (green-blind)

#0055C6

Tritanopia (blue-blind)

#006B82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424bc8;
/* rgb */ color: rgb(66, 75, 200);
/* oklch */ color: oklch(48.4% 0.191 273.6);

Tailwind

colors: {
  custom: {
    50: '#867dda',
    500: '#424bc8',
    950: '#000000',
  },
}

SCSS

$custom: #424bc8;
$custom-light: #867dda;
$custom-dark: #000000;

JSON

{
  "hex": "#424bc8",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 200
  },
  "hsl": {
    "h": 235.97,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48435,
    "c": 0.19119,
    "h": 273.6
  },
  "luminance": 0.10361
}

Semantic roles & 50–950 ramp

primary

#424BC8

secondary

#D0CC96

accent

#D44ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #424BC8

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

Preview Lab → · Contrast checker → · Palette generator →