#423CC6#423CC6

#423CC6 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.8% C 0.206 H 276.4°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#423CC6
RGB	rgb(66, 60, 198)
HSL	hsl(243, 55%, 51%)
HSV	hsv(243, 70%, 78%)
CMYK	cmyk(66.7%, 69.7%, 0%, 22.4%)
CIE-LAB	lab(34.94, 44.84, -70.79)
CIE-LCH	lch(34.94, 83.80, 302.35°)
OKLab	oklab(45.81% 0.0231 -0.2044)
OKLCH	oklch(45.81% 0.206 276.4)
XYZ	xyz(14.0523, 8.4660, 54.3087)
Luminance	0.0847 (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

#423CC6 #C0C63C

analogous

#3C7BC6 #423CC6 #873CC6

triadic

#423CC6 #C6423C #3CC642

tetradic

#423CC6 #C63C7B #C0C63C #3CC687

square

#423CC6 #C63C7B #C0C63C #3CC687

split-complementary

#423CC6 #C6873C #7BC63C

monochromatic

#221F69 #312D98 #423CC6 #706BD4 #9E9BE2

Accessibility & contrast

On white

7.80

#423CC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#423CC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CC6

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CC6	#FFFFFF	#000000	##FFFFFF
##423CC6	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CA

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423cc6;
/* rgb */ color: rgb(66, 60, 198);
/* oklch */ color: oklch(45.8% 0.206 276.4);

Tailwind

colors: {
  custom: {
    50: '#8773d8',
    500: '#423cc6',
    950: '#000000',
  },
}

SCSS

$custom: #423cc6;
$custom-light: #8773d8;
$custom-dark: #000000;

JSON

{
  "hex": "#423cc6",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 198
  },
  "hsl": {
    "h": 242.609,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45807,
    "c": 0.20574,
    "h": 276.4
  },
  "luminance": 0.08467
}

Semantic roles & 50–950 ramp

primary

#423CC6

secondary

#CBCE90

accent

#DE4AD8

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423CC6

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

Preview Lab → · Contrast checker → · Palette generator →