#423FC2#423FC2

#423FC2 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.9% C 0.197 H 276.3°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#423FC2
RGB	rgb(66, 63, 194)
HSL	hsl(241, 52%, 50%)
HSV	hsv(241, 68%, 76%)
CMYK	cmyk(66%, 67.5%, 0%, 23.9%)
CIE-LAB	lab(35.22, 41.77, -67.99)
CIE-LCH	lch(35.22, 79.80, 301.57°)
OKLab	oklab(45.9% 0.0216 -0.1962)
OKLCH	oklch(45.9% 0.197 276.3)
XYZ	xyz(13.7587, 8.6071, 51.9648)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.54

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423FC2 #BFC23F

analogous

#3F7DC2 #423FC2 #833FC2

triadic

#423FC2 #C2423F #3FC242

tetradic

#423FC2 #C23F7D #BFC23F #3FC283

square

#423FC2 #C23F7D #BFC23F #3FC283

split-complementary

#423FC2 #C2833F #7DC23F

monochromatic

#222066 #322F95 #423FC2 #706DD1 #9D9CE0

Accessibility & contrast

On white

7.72

#423FC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#423FC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423FC2

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423FC2	#FFFFFF	#000000	##FFFFFF
##423FC2	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C6

Deuteranopia (green-blind)

#004DC0

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423fc2;
/* rgb */ color: rgb(66, 63, 194);
/* oklch */ color: oklch(45.9% 0.197 276.3);

Tailwind

colors: {
  custom: {
    50: '#8675d6',
    500: '#423fc2',
    950: '#000000',
  },
}

SCSS

$custom: #423fc2;
$custom-light: #8675d6;
$custom-dark: #000000;

JSON

{
  "hex": "#423fc2",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 194
  },
  "hsl": {
    "h": 241.374,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45899,
    "c": 0.19744,
    "h": 276.3
  },
  "luminance": 0.08608
}

Semantic roles & 50–950 ramp

primary

#423FC2

secondary

#CACC91

accent

#DB4DD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423FC2

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

Preview Lab → · Contrast checker → · Palette generator →