#423EC7#423EC7

#423EC7 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.2% C 0.205 H 276.1°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#423EC7
RGB	rgb(66, 62, 199)
HSL	hsl(242, 55%, 51%)
HSV	hsv(242, 69%, 78%)
CMYK	cmyk(66.8%, 68.8%, 0%, 22%)
CIE-LAB	lab(35.45, 44.00, -70.53)
CIE-LCH	lch(35.45, 83.13, 301.96°)
OKLab	oklab(46.21% 0.0216 -0.2037)
OKLCH	oklch(46.21% 0.205 276.1)
XYZ	xyz(14.2748, 8.7258, 54.9537)
Luminance	0.0873 (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

#423EC7 #C3C73E

analogous

#3E7EC7 #423EC7 #863EC7

triadic

#423EC7 #C7423E #3EC742

tetradic

#423EC7 #C73E7E #C3C73E #3EC786

square

#423EC7 #C73E7E #C3C73E #3EC786

split-complementary

#423EC7 #C7863E #7EC73E

monochromatic

#211F6B #302D9B #423EC7 #706DD5 #9F9DE3

Accessibility & contrast

On white

7.65

#423EC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#423EC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EC7

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EC7	#FFFFFF	#000000	##FFFFFF
##423EC7	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CB

Deuteranopia (green-blind)

#004DC4

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423ec7;
/* rgb */ color: rgb(66, 62, 199);
/* oklch */ color: oklch(46.2% 0.205 276.1);

Tailwind

colors: {
  custom: {
    50: '#8774d9',
    500: '#423ec7',
    950: '#000000',
  },
}

SCSS

$custom: #423ec7;
$custom-light: #8774d9;
$custom-dark: #000000;

JSON

{
  "hex": "#423ec7",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 199
  },
  "hsl": {
    "h": 241.752,
    "s": 55.02,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46205,
    "c": 0.20482,
    "h": 276.1
  },
  "luminance": 0.08727
}

Semantic roles & 50–950 ramp

primary

#423EC7

secondary

#CDCF92

accent

#DE49DA

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423EC7

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

Preview Lab → · Contrast checker → · Palette generator →