#423CCC#423CCC

#423CCC is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.213 H 276.0°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#423CCC
RGB	rgb(66, 60, 204)
HSL	hsl(243, 59%, 52%)
HSV	hsv(243, 71%, 80%)
CMYK	cmyk(67.6%, 70.6%, 0%, 20%)
CIE-LAB	lab(35.50, 46.78, -73.37)
CIE-LCH	lch(35.50, 87.01, 302.52°)
OKLab	oklab(46.38% 0.0222 -0.212)
OKLCH	oklch(46.38% 0.213 276)
XYZ	xyz(14.7581, 8.7483, 58.0259)
Luminance	0.0875 (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

#423CCC #C6CC3C

analogous

#3C7ECC #423CCC #8A3CCC

triadic

#423CCC #CC423C #3CCC42

tetradic

#423CCC #CC3C7E #C6CC3C #3CCC8A

square

#423CCC #CC3C7E #C6CC3C #3CCC8A

split-complementary

#423CCC #CC8A3C #7ECC3C

monochromatic

#211D70 #2F2AA1 #423CCC #716DD9 #A09DE5

Accessibility & contrast

On white

7.64

#423CCC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#423CCC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CCC

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CCC	#FFFFFF	#000000	##FFFFFF
##423CCC	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD0

Deuteranopia (green-blind)

#004DC9

Tritanopia (blue-blind)

#006480

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423ccc;
/* rgb */ color: rgb(66, 60, 204);
/* oklch */ color: oklch(46.4% 0.213 276.0);

Tailwind

colors: {
  custom: {
    50: '#8873dd',
    500: '#423ccc',
    950: '#000000',
  },
}

SCSS

$custom: #423ccc;
$custom-light: #8873dd;
$custom-dark: #000000;

JSON

{
  "hex": "#423ccc",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 204
  },
  "hsl": {
    "h": 242.5,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46378,
    "c": 0.21312,
    "h": 276
  },
  "luminance": 0.0875
}

Semantic roles & 50–950 ramp

primary

#423CCC

secondary

#CFD192

accent

#E246DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423CCC

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

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