#424AC4#424AC4

#424AC4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.9% C 0.187 H 274.0°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#424AC4
RGB	rgb(66, 74, 196)
HSL	hsl(236, 52%, 51%)
HSV	hsv(236, 66%, 77%)
CMYK	cmyk(66.3%, 62.2%, 0%, 23.1%)
CIE-LAB	lab(37.91, 35.73, -64.75)
CIE-LCH	lch(37.91, 73.95, 298.89°)
OKLab	oklab(47.92% 0.0131 -0.1867)
OKLCH	oklch(47.92% 0.187 274)
XYZ	xyz(14.6560, 10.0400, 53.3794)
Luminance	0.1004 (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

#424AC4 #C4BC42

analogous

#428BC4 #424AC4 #7B42C4

triadic

#424AC4 #C4424A #4AC442

tetradic

#424AC4 #C4428B #C4BC42 #42C47B

square

#424AC4 #C4428B #C4BC42 #42C47B

split-complementary

#424AC4 #C47B42 #8BC442

monochromatic

#21266A #303699 #424AC4 #7177D3 #9FA3E1

Accessibility & contrast

On white

6.98

#424AC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#424AC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AC4

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AC4	#FFFFFF	#000000	##FFFFFF
##424AC4	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC8

Deuteranopia (green-blind)

#0053C2

Tritanopia (blue-blind)

#006980

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424ac4;
/* rgb */ color: rgb(66, 74, 196);
/* oklch */ color: oklch(47.9% 0.187 274.0);

Tailwind

colors: {
  custom: {
    50: '#867cd7',
    500: '#424ac4',
    950: '#000000',
  },
}

SCSS

$custom: #424ac4;
$custom-light: #867cd7;
$custom-dark: #000000;

JSON

{
  "hex": "#424ac4",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 196
  },
  "hsl": {
    "h": 236.308,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.47918,
    "c": 0.18715,
    "h": 274
  },
  "luminance": 0.10041
}

Semantic roles & 50–950 ramp

primary

#424AC4

secondary

#CECA94

accent

#D34CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #424AC4

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

Preview Lab → · Contrast checker → · Palette generator →