#423BE2#423BE2

#423BE2 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.4% C 0.240 H 274.5°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#423BE2
RGB	rgb(66, 59, 226)
HSL	hsl(243, 74%, 56%)
HSV	hsv(243, 74%, 89%)
CMYK	cmyk(70.8%, 73.9%, 0%, 11.4%)
CIE-LAB	lab(37.44, 54.30, -82.83)
CIE-LCH	lch(37.44, 99.05, 303.25°)
OKLab	oklab(48.4% 0.0188 -0.2396)
OKLCH	oklch(48.4% 0.24 274.5)
XYZ	xyz(17.5336, 9.7755, 72.8996)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423BE2 #DBE23B

analogous

#3B87E2 #423BE2 #953BE2

triadic

#423BE2 #E2423B #3BE242

tetradic

#423BE2 #E23B87 #DBE23B #3BE295

square

#423BE2 #E23B87 #DBE23B #3BE295

split-complementary

#423BE2 #E2953B #87E23B

monochromatic

#1A158E #241DC3 #423BE2 #7570EA #A9A6F2

Accessibility & contrast

On white

7.11

#423BE2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#423BE2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BE2

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BE2	#FFFFFF	#000000	##FFFFFF
##423BE2	1.00	7.11	2.96	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E7

Deuteranopia (green-blind)

#0050DF

Tritanopia (blue-blind)

#006C8C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #423be2;
/* rgb */ color: rgb(66, 59, 226);
/* oklch */ color: oklch(48.4% 0.240 274.5);

Tailwind

colors: {
  custom: {
    50: '#8d73ed',
    500: '#423be2',
    950: '#000000',
  },
}

SCSS

$custom: #423be2;
$custom-light: #8d73ed;
$custom-dark: #000000;

JSON

{
  "hex": "#423be2",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 226
  },
  "hsl": {
    "h": 242.515,
    "s": 74.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.484,
    "c": 0.2403,
    "h": 274.5
  },
  "luminance": 0.09777
}

Semantic roles & 50–950 ramp

primary

#423BE2

secondary

#DCDF9A

accent

#F137E9

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #423BE2

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

Preview Lab → · Contrast checker → · Palette generator →