#424ACE#424ACE

#424ACE is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 48.8% C 0.200 H 273.6°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#424ACE
RGB	rgb(66, 74, 206)
HSL	hsl(237, 59%, 53%)
HSV	hsv(237, 68%, 81%)
CMYK	cmyk(68%, 64.1%, 0%, 19.2%)
CIE-LAB	lab(38.74, 39.15, -69.19)
CIE-LCH	lch(38.74, 79.50, 299.50°)
OKLab	oklab(48.78% 0.0125 -0.1997)
OKLCH	oklch(48.78% 0.2 273.6)
XYZ	xyz(15.8324, 10.5106, 59.5749)
Luminance	0.1051 (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

#424ACE #CEC642

analogous

#4290CE #424ACE #8042CE

triadic

#424ACE #CE424A #4ACE42

tetradic

#424ACE #CE4290 #CEC642 #42CE80

square

#424ACE #CE4290 #CEC642 #42CE80

split-complementary

#424ACE #CE8042 #90CE42

monochromatic

#1F2477 #2B32A7 #424ACE #7379DB #A3A7E7

Accessibility & contrast

On white

6.77

#424ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#424ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ACE

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ACE	#FFFFFF	#000000	##FFFFFF
##424ACE	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D2

Deuteranopia (green-blind)

#0055CB

Tritanopia (blue-blind)

#006C85

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424ace;
/* rgb */ color: rgb(66, 74, 206);
/* oklch */ color: oklch(48.8% 0.200 273.6);

Tailwind

colors: {
  custom: {
    50: '#887dde',
    500: '#424ace',
    950: '#000000',
  },
}

SCSS

$custom: #424ace;
$custom-light: #887dde;
$custom-dark: #000000;

JSON

{
  "hex": "#424ace",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 206
  },
  "hsl": {
    "h": 236.571,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48783,
    "c": 0.20013,
    "h": 273.6
  },
  "luminance": 0.10512
}

Semantic roles & 50–950 ramp

primary

#424ACE

secondary

#D4D198

accent

#D946E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #424ACE

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

Preview Lab → · Contrast checker → · Palette generator →