#423CD1#423CD1

#423CD1 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.9% C 0.219 H 275.6°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#423CD1
RGB	rgb(66, 60, 209)
HSL	hsl(242, 62%, 53%)
HSV	hsv(242, 71%, 82%)
CMYK	cmyk(68.4%, 71.3%, 0%, 18%)
CIE-LAB	lab(35.97, 48.39, -75.48)
CIE-LCH	lch(35.97, 89.66, 302.66°)
OKLab	oklab(46.86% 0.0214 -0.2181)
OKLCH	oklch(46.86% 0.219 275.6)
XYZ	xyz(15.3675, 8.9920, 61.2350)
Luminance	0.0899 (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

#423CD1 #CBD13C

analogous

#3C80D1 #423CD1 #8C3CD1

triadic

#423CD1 #D1423C #3CD142

tetradic

#423CD1 #D13C80 #CBD13C #3CD18C

square

#423CD1 #D13C80 #CBD13C #3CD18C

split-complementary

#423CD1 #D18C3C #80D13C

monochromatic

#201C77 #2D28A8 #423CD1 #726EDD #A29FE8

Accessibility & contrast

On white

7.50

#423CD1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#423CD1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CD1

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CD1	#FFFFFF	#000000	##FFFFFF
##423CD1	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD5

Deuteranopia (green-blind)

#004ECE

Tritanopia (blue-blind)

#006683

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #423cd1;
/* rgb */ color: rgb(66, 60, 209);
/* oklch */ color: oklch(46.9% 0.219 275.6);

Tailwind

colors: {
  custom: {
    50: '#8973e0',
    500: '#423cd1',
    950: '#000000',
  },
}

SCSS

$custom: #423cd1;
$custom-light: #8973e0;
$custom-dark: #000000;

JSON

{
  "hex": "#423cd1",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 209
  },
  "hsl": {
    "h": 242.416,
    "s": 61.826,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46859,
    "c": 0.21919,
    "h": 275.6
  },
  "luminance": 0.08993
}

Semantic roles & 50–950 ramp

primary

#423CD1

secondary

#D2D594

accent

#E543DE

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423CD1

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

Preview Lab → · Contrast checker → · Palette generator →