#423BCA#423BCA

#423BCA is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.0% C 0.212 H 276.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#423BCA
RGB	rgb(66, 59, 202)
HSL	hsl(243, 57%, 51%)
HSV	hsv(243, 71%, 79%)
CMYK	cmyk(67.3%, 70.8%, 0%, 20.8%)
CIE-LAB	lab(35.10, 46.70, -72.85)
CIE-LCH	lch(35.10, 86.54, 302.66°)
OKLab	oklab(46.04% 0.0231 -0.2104)
OKLCH	oklch(46.04% 0.212 276.3)
XYZ	xyz(14.4679, 8.5492, 56.7534)
Luminance	0.0855 (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

#423BCA #C3CA3B

analogous

#3B7BCA #423BCA #893BCA

triadic

#423BCA #CA423B #3BCA42

tetradic

#423BCA #CA3B7B #C3CA3B #3BCA89

square

#423BCA #CA3B7B #C3CA3B #3BCA89

split-complementary

#423BCA #CA893B #7BCA3B

monochromatic

#211E6D #302B9D #423BCA #706BD7 #9F9BE4

Accessibility & contrast

On white

7.75

#423BCA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#423BCA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BCA

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BCA	#FFFFFF	#000000	##FFFFFF
##423BCA	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)

#0059CE

Deuteranopia (green-blind)

#004CC7

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423bca;
/* rgb */ color: rgb(66, 59, 202);
/* oklch */ color: oklch(46.0% 0.212 276.3);

Tailwind

colors: {
  custom: {
    50: '#8872db',
    500: '#423bca',
    950: '#000000',
  },
}

SCSS

$custom: #423bca;
$custom-light: #8872db;
$custom-dark: #000000;

JSON

{
  "hex": "#423bca",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 202
  },
  "hsl": {
    "h": 242.937,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46039,
    "c": 0.21172,
    "h": 276.3
  },
  "luminance": 0.0855
}

Semantic roles & 50–950 ramp

primary

#423BCA

secondary

#CDD091

accent

#E147D9

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423BCA

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

Preview Lab → · Contrast checker → · Palette generator →