#424BC6#424BC6

#424BC6 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.3% C 0.189 H 273.7°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#424BC6
RGB	rgb(66, 75, 198)
HSL	hsl(236, 54%, 52%)
HSV	hsv(236, 67%, 78%)
CMYK	cmyk(66.7%, 62.1%, 0%, 22.4%)
CIE-LAB	lab(38.32, 35.79, -65.25)
CIE-LCH	lch(38.32, 74.43, 298.75°)
OKLab	oklab(48.26% 0.0123 -0.1882)
OKLCH	oklch(48.26% 0.189 273.7)
XYZ	xyz(14.9525, 10.2663, 54.6087)
Luminance	0.1027 (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

#424BC6 #C6BD42

analogous

#428DC6 #424BC6 #7B42C6

triadic

#424BC6 #C6424B #4BC642

tetradic

#424BC6 #C6428D #C6BD42 #42C67B

square

#424BC6 #C6428D #C6BD42 #42C67B

split-complementary

#424BC6 #C67B42 #8DC642

monochromatic

#21266D #2F369C #424BC6 #7178D4 #A0A5E2

Accessibility & contrast

On white

6.88

#424BC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#424BC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BC6

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BC6	#FFFFFF	#000000	##FFFFFF
##424BC6	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CA

Deuteranopia (green-blind)

#0054C4

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424bc6;
/* rgb */ color: rgb(66, 75, 198);
/* oklch */ color: oklch(48.3% 0.189 273.7);

Tailwind

colors: {
  custom: {
    50: '#867dd8',
    500: '#424bc6',
    950: '#000000',
  },
}

SCSS

$custom: #424bc6;
$custom-light: #867dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#424bc6",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 198
  },
  "hsl": {
    "h": 235.909,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.48264,
    "c": 0.18857,
    "h": 273.7
  },
  "luminance": 0.10268
}

Semantic roles & 50–950 ramp

primary

#424BC6

secondary

#CFCB95

accent

#D34BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #424BC6

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

Preview Lab → · Contrast checker → · Palette generator →