#423FC3#423FC3

#423FC3 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.0% C 0.199 H 276.2°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#423FC3
RGB	rgb(66, 63, 195)
HSL	hsl(241, 52%, 51%)
HSV	hsv(241, 68%, 76%)
CMYK	cmyk(66.2%, 67.7%, 0%, 23.5%)
CIE-LAB	lab(35.31, 42.10, -68.43)
CIE-LCH	lch(35.31, 80.34, 301.60°)
OKLab	oklab(45.99% 0.0215 -0.1975)
OKLCH	oklch(45.99% 0.199 276.2)
XYZ	xyz(13.8714, 8.6522, 52.5582)
Luminance	0.0865 (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

#423FC3 #C0C33F

analogous

#3F7EC3 #423FC3 #843FC3

triadic

#423FC3 #C3423F #3FC342

tetradic

#423FC3 #C33F7E #C0C33F #3FC384

square

#423FC3 #C33F7E #C0C33F #3FC384

split-complementary

#423FC3 #C3843F #7EC33F

monochromatic

#222067 #312F96 #423FC3 #706ED2 #9E9CE0

Accessibility & contrast

On white

7.69

#423FC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#423FC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423FC3

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423FC3	#FFFFFF	#000000	##FFFFFF
##423FC3	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C7

Deuteranopia (green-blind)

#004DC1

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423fc3;
/* rgb */ color: rgb(66, 63, 195);
/* oklch */ color: oklch(46.0% 0.199 276.2);

Tailwind

colors: {
  custom: {
    50: '#8675d6',
    500: '#423fc3',
    950: '#000000',
  },
}

SCSS

$custom: #423fc3;
$custom-light: #8675d6;
$custom-dark: #000000;

JSON

{
  "hex": "#423fc3",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 195
  },
  "hsl": {
    "h": 241.364,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.4599,
    "c": 0.19869,
    "h": 276.2
  },
  "luminance": 0.08653
}

Semantic roles & 50–950 ramp

primary

#423FC3

secondary

#CBCC92

accent

#DC4CD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423FC3

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

Preview Lab → · Contrast checker → · Palette generator →