#423EA2#423EA2

#423EA2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.157 H 279.3°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#423EA2
RGB	rgb(66, 62, 162)
HSL	hsl(242, 45%, 44%)
HSV	hsv(242, 62%, 64%)
CMYK	cmyk(59.3%, 61.7%, 0%, 36.5%)
CIE-LAB	lab(32.28, 31.71, -53.78)
CIE-LCH	lch(32.28, 62.43, 300.53°)
OKLab	oklab(42.93% 0.0253 -0.1545)
OKLCH	oklch(42.93% 0.157 279.3)
XYZ	xyz(10.4889, 7.2114, 35.0146)
Luminance	0.0721 (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

#423EA2 #9EA23E

analogous

#3E6CA2 #423EA2 #743EA2

triadic

#423EA2 #A2423E #3EA242

tetradic

#423EA2 #A23E6C #9EA23E #3EA274

square

#423EA2 #A23E6C #9EA23E #3EA274

split-complementary

#423EA2 #A2743E #6CA23E

monochromatic

#1E1C49 #302D76 #423EA2 #605CC1 #8C89D2

Accessibility & contrast

On white

8.60

#423EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#423EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EA2

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EA2	#FFFFFF	#000000	##FFFFFF
##423EA2	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A5

Deuteranopia (green-blind)

#0048A0

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #423ea2;
/* rgb */ color: rgb(66, 62, 162);
/* oklch */ color: oklch(42.9% 0.157 279.3);

Tailwind

colors: {
  custom: {
    50: '#8073be',
    500: '#423ea2',
    950: '#000000',
  },
}

SCSS

$custom: #423ea2;
$custom-light: #8073be;
$custom-dark: #000000;

JSON

{
  "hex": "#423ea2",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 162
  },
  "hsl": {
    "h": 242.4,
    "s": 44.643,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42925,
    "c": 0.1566,
    "h": 279.3
  },
  "luminance": 0.07212
}

Semantic roles & 50–950 ramp

primary

#423EA2

secondary

#BABC80

accent

#D453CF

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #423EA2

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

Preview Lab → · Contrast checker → · Palette generator →