#423EC3#423EC3

#423EC3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.8% C 0.200 H 276.4°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#423EC3
RGB	rgb(66, 62, 195)
HSL	hsl(242, 53%, 50%)
HSV	hsv(242, 68%, 76%)
CMYK	cmyk(66.2%, 68.2%, 0%, 23.5%)
CIE-LAB	lab(35.09, 42.69, -68.79)
CIE-LCH	lch(35.09, 80.96, 301.83°)
OKLab	oklab(45.83% 0.0222 -0.1986)
OKLCH	oklch(45.83% 0.2 276.4)
XYZ	xyz(13.8165, 8.5424, 52.5399)
Luminance	0.0854 (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

#423EC3 #BFC33E

analogous

#3E7CC3 #423EC3 #853EC3

triadic

#423EC3 #C3423E #3EC342

tetradic

#423EC3 #C33E7C #BFC33E #3EC385

square

#423EC3 #C33E7C #BFC33E #3EC385

split-complementary

#423EC3 #C3853E #7CC33E

monochromatic

#222067 #322E95 #423EC3 #706DD2 #9D9BE0

Accessibility & contrast

On white

7.75

#423EC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#423EC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EC3

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EC3	#FFFFFF	#000000	##FFFFFF
##423EC3	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C7

Deuteranopia (green-blind)

#004DC0

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423ec3;
/* rgb */ color: rgb(66, 62, 195);
/* oklch */ color: oklch(45.8% 0.200 276.4);

Tailwind

colors: {
  custom: {
    50: '#8674d6',
    500: '#423ec3',
    950: '#000000',
  },
}

SCSS

$custom: #423ec3;
$custom-light: #8674d6;
$custom-dark: #000000;

JSON

{
  "hex": "#423ec3",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 195
  },
  "hsl": {
    "h": 241.805,
    "s": 52.569,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45833,
    "c": 0.19981,
    "h": 276.4
  },
  "luminance": 0.08544
}

Semantic roles & 50–950 ramp

primary

#423EC3

secondary

#CACC91

accent

#DC4CD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423EC3

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

Preview Lab → · Contrast checker → · Palette generator →