#424ACF#424ACF

#424ACF is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 48.9% C 0.201 H 273.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#424ACF
RGB	rgb(66, 74, 207)
HSL	hsl(237, 59%, 54%)
HSV	hsv(237, 68%, 81%)
CMYK	cmyk(68.1%, 64.3%, 0%, 18.8%)
CIE-LAB	lab(38.83, 39.49, -69.63)
CIE-LCH	lch(38.83, 80.05, 299.56°)
OKLab	oklab(48.87% 0.0125 -0.201)
OKLCH	oklch(48.87% 0.201 273.5)
XYZ	xyz(15.9543, 10.5593, 60.2167)
Luminance	0.1056 (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

#424ACF #CFC742

analogous

#4290CF #424ACF #8042CF

triadic

#424ACF #CF424A #4ACF42

tetradic

#424ACF #CF4290 #CFC742 #42CF80

square

#424ACF #CF4290 #CFC742 #42CF80

split-complementary

#424ACF #CF8042 #90CF42

monochromatic

#1F2478 #2B32A9 #424ACF #7379DB #A4A7E8

Accessibility & contrast

On white

6.75

#424ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#424ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ACF

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ACF	#FFFFFF	#000000	##FFFFFF
##424ACF	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D3

Deuteranopia (green-blind)

#0055CC

Tritanopia (blue-blind)

#006D86

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424acf;
/* rgb */ color: rgb(66, 74, 207);
/* oklch */ color: oklch(48.9% 0.201 273.5);

Tailwind

colors: {
  custom: {
    50: '#887ddf',
    500: '#424acf',
    950: '#000000',
  },
}

SCSS

$custom: #424acf;
$custom-light: #887ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#424acf",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 207
  },
  "hsl": {
    "h": 236.596,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.4887,
    "c": 0.20141,
    "h": 273.5
  },
  "luminance": 0.10561
}

Semantic roles & 50–950 ramp

primary

#424ACF

secondary

#D5D198

accent

#DA45E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #424ACF

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

Preview Lab → · Contrast checker → · Palette generator →