#423EC4#423EC4

#423EC4 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.9% C 0.201 H 276.3°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#423EC4
RGB	rgb(66, 62, 196)
HSL	hsl(242, 53%, 51%)
HSV	hsv(242, 68%, 77%)
CMYK	cmyk(66.3%, 68.4%, 0%, 23.1%)
CIE-LAB	lab(35.18, 43.02, -69.22)
CIE-LCH	lch(35.18, 81.50, 301.86°)
OKLab	oklab(45.93% 0.0221 -0.1999)
OKLCH	oklch(45.93% 0.201 276.3)
XYZ	xyz(13.9299, 8.5878, 53.1374)
Luminance	0.0859 (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

#423EC4 #C0C43E

analogous

#3E7DC4 #423EC4 #853EC4

triadic

#423EC4 #C4423E #3EC442

tetradic

#423EC4 #C43E7D #C0C43E #3EC485

square

#423EC4 #C43E7D #C0C43E #3EC485

split-complementary

#423EC4 #C4853E #7DC43E

monochromatic

#222068 #312E97 #423EC4 #706DD2 #9E9CE1

Accessibility & contrast

On white

7.73

#423EC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#423EC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EC4

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EC4	#FFFFFF	#000000	##FFFFFF
##423EC4	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#004DC1

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423ec4;
/* rgb */ color: rgb(66, 62, 196);
/* oklch */ color: oklch(45.9% 0.201 276.3);

Tailwind

colors: {
  custom: {
    50: '#8774d7',
    500: '#423ec4',
    950: '#000000',
  },
}

SCSS

$custom: #423ec4;
$custom-light: #8774d7;
$custom-dark: #000000;

JSON

{
  "hex": "#423ec4",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 196
  },
  "hsl": {
    "h": 241.791,
    "s": 53.175,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45926,
    "c": 0.20107,
    "h": 276.3
  },
  "luminance": 0.08589
}

Semantic roles & 50–950 ramp

primary

#423EC4

secondary

#CBCD91

accent

#DD4BD8

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423EC4

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

Preview Lab → · Contrast checker → · Palette generator →