#423EC0#423EC0

#423EC0 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.6% C 0.196 H 276.6°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#423EC0
RGB	rgb(66, 62, 192)
HSL	hsl(242, 51%, 50%)
HSV	hsv(242, 68%, 75%)
CMYK	cmyk(65.6%, 67.7%, 0%, 24.7%)
CIE-LAB	lab(34.82, 41.71, -67.47)
CIE-LCH	lch(34.82, 79.32, 301.72°)
OKLab	oklab(45.56% 0.0226 -0.1947)
OKLCH	oklch(45.56% 0.196 276.6)
XYZ	xyz(13.4807, 8.4081, 50.7715)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423EC0 #BCC03E

analogous

#3E7BC0 #423EC0 #833EC0

triadic

#423EC0 #C0423E #3EC042

tetradic

#423EC0 #C03E7B #BCC03E #3EC083

square

#423EC0 #C03E7B #BCC03E #3EC083

split-complementary

#423EC0 #C0833E #7BC03E

monochromatic

#222063 #322F92 #423EC0 #6F6CCF #9C9ADE

Accessibility & contrast

On white

7.83

#423EC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#423EC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EC0

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EC0	#FFFFFF	#000000	##FFFFFF
##423EC0	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C4

Deuteranopia (green-blind)

#004CBE

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423ec0;
/* rgb */ color: rgb(66, 62, 192);
/* oklch */ color: oklch(45.6% 0.196 276.6);

Tailwind

colors: {
  custom: {
    50: '#8674d4',
    500: '#423ec0',
    950: '#000000',
  },
}

SCSS

$custom: #423ec0;
$custom-light: #8674d4;
$custom-dark: #000000;

JSON

{
  "hex": "#423ec0",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 192
  },
  "hsl": {
    "h": 241.846,
    "s": 51.181,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45557,
    "c": 0.19603,
    "h": 276.6
  },
  "luminance": 0.08409
}

Semantic roles & 50–950 ramp

primary

#423EC0

secondary

#C9CA8F

accent

#DB4DD6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #423EC0

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

Preview Lab → · Contrast checker → · Palette generator →