#423ECC#423ECC

#423ECC is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.7% C 0.211 H 275.7°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#423ECC
RGB	rgb(66, 62, 204)
HSL	hsl(242, 58%, 52%)
HSV	hsv(242, 70%, 80%)
CMYK	cmyk(67.6%, 69.6%, 0%, 20%)
CIE-LAB	lab(35.91, 45.63, -72.68)
CIE-LCH	lch(35.91, 85.82, 302.12°)
OKLab	oklab(46.68% 0.0209 -0.21)
OKLCH	oklch(46.68% 0.211 275.7)
XYZ	xyz(14.8649, 8.9618, 58.0615)
Luminance	0.0896 (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

#423ECC #C8CC3E

analogous

#3E81CC #423ECC #893ECC

triadic

#423ECC #CC423E #3ECC42

tetradic

#423ECC #CC3E81 #C8CC3E #3ECC89

square

#423ECC #CC3E81 #C8CC3E #3ECC89

split-complementary

#423ECC #CC893E #81CC3E

monochromatic

#201E72 #2E2BA2 #423ECC #716ED9 #A19FE6

Accessibility & contrast

On white

7.52

#423ECC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#423ECC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ECC

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ECC	#FFFFFF	#000000	##FFFFFF
##423ECC	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD0

Deuteranopia (green-blind)

#004EC9

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423ecc;
/* rgb */ color: rgb(66, 62, 204);
/* oklch */ color: oklch(46.7% 0.211 275.7);

Tailwind

colors: {
  custom: {
    50: '#8874dd',
    500: '#423ecc',
    950: '#000000',
  },
}

SCSS

$custom: #423ecc;
$custom-light: #8874dd;
$custom-dark: #000000;

JSON

{
  "hex": "#423ecc",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 204
  },
  "hsl": {
    "h": 241.69,
    "s": 58.197,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46676,
    "c": 0.21101,
    "h": 275.7
  },
  "luminance": 0.08963
}

Semantic roles & 50–950 ramp

primary

#423ECC

secondary

#D0D294

accent

#E146DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423ECC

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

Preview Lab → · Contrast checker → · Palette generator →