#423EE3#423EE3

#423EE3 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.9% C 0.239 H 274.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#423EE3
RGB	rgb(66, 62, 227)
HSL	hsl(241, 75%, 57%)
HSV	hsv(241, 73%, 89%)
CMYK	cmyk(70.9%, 72.7%, 0%, 11%)
CIE-LAB	lab(38.11, 53.01, -82.30)
CIE-LCH	lch(38.11, 97.89, 302.79°)
OKLab	oklab(48.9% 0.0172 -0.238)
OKLCH	oklch(48.9% 0.239 274.1)
XYZ	xyz(17.8299, 10.1478, 73.6772)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423EE3 #DFE33E

analogous

#3E8CE3 #423EE3 #953EE3

triadic

#423EE3 #E3423E #3EE342

tetradic

#423EE3 #E33E8C #DFE33E #3EE395

square

#423EE3 #E33E8C #DFE33E #3EE395

split-complementary

#423EE3 #E3953E #8CE33E

monochromatic

#181591 #211DC7 #423EE3 #7673EB #ABA9F3

Accessibility & contrast

On white

6.93

#423EE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#423EE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #423EE3

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EE3	#FFFFFF	#000000	##FFFFFF
##423EE3	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E8

Deuteranopia (green-blind)

#0052E0

Tritanopia (blue-blind)

#006D8D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #423ee3;
/* rgb */ color: rgb(66, 62, 227);
/* oklch */ color: oklch(48.9% 0.239 274.1);

Tailwind

colors: {
  custom: {
    50: '#8d75ed',
    500: '#423ee3',
    950: '#000000',
  },
}

SCSS

$custom: #423ee3;
$custom-light: #8d75ed;
$custom-dark: #000000;

JSON

{
  "hex": "#423ee3",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 227
  },
  "hsl": {
    "h": 241.455,
    "s": 74.661,
    "l": 56.667
  },
  "oklch": {
    "l": 0.48904,
    "c": 0.23865,
    "h": 274.1
  },
  "luminance": 0.1015
}

Semantic roles & 50–950 ramp

primary

#423EE3

secondary

#DFE09D

accent

#F137ED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #423EE3

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

Preview Lab → · Contrast checker → · Palette generator →