#423CD0#423CD0

#423CD0 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.8% C 0.218 H 275.7°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#423CD0
RGB	rgb(66, 60, 208)
HSL	hsl(242, 61%, 53%)
HSV	hsv(242, 71%, 82%)
CMYK	cmyk(68.3%, 71.2%, 0%, 18.4%)
CIE-LAB	lab(35.87, 48.07, -75.06)
CIE-LCH	lch(35.87, 89.13, 302.63°)
OKLab	oklab(46.76% 0.0215 -0.2169)
OKLCH	oklch(46.76% 0.218 275.7)
XYZ	xyz(15.2440, 8.9426, 60.5850)
Luminance	0.0894 (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

#423CD0 #CAD03C

analogous

#3C80D0 #423CD0 #8C3CD0

triadic

#423CD0 #D0423C #3CD042

tetradic

#423CD0 #D03C80 #CAD03C #3CD08C

square

#423CD0 #D03C80 #CAD03C #3CD08C

split-complementary

#423CD0 #D08C3C #80D03C

monochromatic

#201C75 #2D28A7 #423CD0 #726DDC #A29FE8

Accessibility & contrast

On white

7.53

#423CD0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#423CD0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CD0

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CD0	#FFFFFF	#000000	##FFFFFF
##423CD0	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD4

Deuteranopia (green-blind)

#004ECD

Tritanopia (blue-blind)

#006582

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423cd0;
/* rgb */ color: rgb(66, 60, 208);
/* oklch */ color: oklch(46.8% 0.218 275.7);

Tailwind

colors: {
  custom: {
    50: '#8973e0',
    500: '#423cd0',
    950: '#000000',
  },
}

SCSS

$custom: #423cd0;
$custom-light: #8973e0;
$custom-dark: #000000;

JSON

{
  "hex": "#423cd0",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 208
  },
  "hsl": {
    "h": 242.432,
    "s": 61.157,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46763,
    "c": 0.21798,
    "h": 275.7
  },
  "luminance": 0.08944
}

Semantic roles & 50–950 ramp

primary

#423CD0

secondary

#D1D494

accent

#E444DE

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423CD0

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

Preview Lab → · Contrast checker → · Palette generator →