#423BD6#423BD6

#423BD6 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.2% C 0.226 H 275.3°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#423BD6
RGB	rgb(66, 59, 214)
HSL	hsl(243, 65%, 54%)
HSV	hsv(243, 72%, 84%)
CMYK	cmyk(69.2%, 72.4%, 0%, 16.1%)
CIE-LAB	lab(36.25, 50.53, -77.91)
CIE-LCH	lch(36.25, 92.86, 302.97°)
OKLab	oklab(47.21% 0.021 -0.2252)
OKLCH	oklch(47.21% 0.226 275.3)
XYZ	xyz(15.9443, 9.1397, 64.5292)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.54

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423BD6 #CFD63B

analogous

#3B81D6 #423BD6 #8F3BD6

triadic

#423BD6 #D6423B #3BD642

tetradic

#423BD6 #D63B81 #CFD63B #3BD68F

square

#423BD6 #D63B81 #CFD63B #3BD68F

split-complementary

#423BD6 #D68F3B #81D63B

monochromatic

#1F1A7D #2B25AF #423BD6 #736EE1 #A4A0EB

Accessibility & contrast

On white

7.43

#423BD6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#423BD6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BD6

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BD6	#FFFFFF	#000000	##FFFFFF
##423BD6	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDB

Deuteranopia (green-blind)

#004ED3

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #423bd6;
/* rgb */ color: rgb(66, 59, 214);
/* oklch */ color: oklch(47.2% 0.226 275.3);

Tailwind

colors: {
  custom: {
    50: '#8b73e4',
    500: '#423bd6',
    950: '#000000',
  },
}

SCSS

$custom: #423bd6;
$custom-light: #8b73e4;
$custom-dark: #000000;

JSON

{
  "hex": "#423bd6",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 214
  },
  "hsl": {
    "h": 242.71,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47206,
    "c": 0.22619,
    "h": 275.3
  },
  "luminance": 0.09141
}

Semantic roles & 50–950 ramp

primary

#423BD6

secondary

#D5D895

accent

#E83FE1

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #423BD6

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

Preview Lab → · Contrast checker → · Palette generator →