#423EC9#423EC9

#423EC9 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.4% C 0.207 H 275.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#423EC9
RGB	rgb(66, 62, 201)
HSL	hsl(242, 56%, 52%)
HSV	hsv(242, 69%, 79%)
CMYK	cmyk(67.2%, 69.2%, 0%, 21.2%)
CIE-LAB	lab(35.63, 44.66, -71.39)
CIE-LCH	lch(35.63, 84.21, 302.03°)
OKLab	oklab(46.39% 0.0214 -0.2062)
OKLCH	oklch(46.39% 0.207 275.9)
XYZ	xyz(14.5085, 8.8193, 56.1847)
Luminance	0.0882 (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

#423EC9 #C5C93E

analogous

#3E80C9 #423EC9 #883EC9

triadic

#423EC9 #C9423E #3EC942

tetradic

#423EC9 #C93E80 #C5C93E #3EC988

square

#423EC9 #C93E80 #C5C93E #3EC988

split-complementary

#423EC9 #C9883E #80C93E

monochromatic

#211F6E #2F2C9E #423EC9 #716ED6 #A09EE4

Accessibility & contrast

On white

7.60

#423EC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#423EC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EC9

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EC9	#FFFFFF	#000000	##FFFFFF
##423EC9	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACD

Deuteranopia (green-blind)

#004EC6

Tritanopia (blue-blind)

#00647F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423ec9;
/* rgb */ color: rgb(66, 62, 201);
/* oklch */ color: oklch(46.4% 0.207 275.9);

Tailwind

colors: {
  custom: {
    50: '#8874db',
    500: '#423ec9',
    950: '#000000',
  },
}

SCSS

$custom: #423ec9;
$custom-light: #8874db;
$custom-dark: #000000;

JSON

{
  "hex": "#423ec9",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 201
  },
  "hsl": {
    "h": 241.727,
    "s": 56.275,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46393,
    "c": 0.2073,
    "h": 275.9
  },
  "luminance": 0.08821
}

Semantic roles & 50–950 ramp

primary

#423EC9

secondary

#CED093

accent

#E048DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423EC9

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

Preview Lab → · Contrast checker → · Palette generator →