#423CA2#423CA2

#423CA2 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.159 H 279.8°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#423CA2
RGB	rgb(66, 60, 162)
HSL	hsl(244, 46%, 44%)
HSV	hsv(244, 63%, 64%)
CMYK	cmyk(59.3%, 63%, 0%, 36.5%)
CIE-LAB	lab(31.80, 32.97, -54.56)
CIE-LCH	lch(31.80, 63.75, 301.14°)
OKLab	oklab(42.57% 0.0272 -0.1569)
OKLCH	oklch(42.57% 0.159 279.8)
XYZ	xyz(10.3822, 6.9979, 34.9790)
Luminance	0.0700 (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

#423CA2 #9CA23C

analogous

#3C69A2 #423CA2 #753CA2

triadic

#423CA2 #A2423C #3CA242

tetradic

#423CA2 #A23C69 #9CA23C #3CA275

square

#423CA2 #A23C69 #9CA23C #3CA275

split-complementary

#423CA2 #A2753C #69A23C

monochromatic

#1E1B49 #302B75 #423CA2 #6059C2 #8B86D2

Accessibility & contrast

On white

8.75

#423CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#423CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CA2

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CA2	#FFFFFF	#000000	##FFFFFF
##423CA2	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0047A0

Tritanopia (blue-blind)

#015569

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #423ca2;
/* rgb */ color: rgb(66, 60, 162);
/* oklch */ color: oklch(42.6% 0.159 279.8);

Tailwind

colors: {
  custom: {
    50: '#8072be',
    500: '#423ca2',
    950: '#000000',
  },
}

SCSS

$custom: #423ca2;
$custom-light: #8072be;
$custom-dark: #000000;

JSON

{
  "hex": "#423ca2",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 162
  },
  "hsl": {
    "h": 243.529,
    "s": 45.946,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42572,
    "c": 0.1592,
    "h": 279.8
  },
  "luminance": 0.06999
}

Semantic roles & 50–950 ramp

primary

#423CA2

secondary

#B9BC7D

accent

#D652CE

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #423CA2

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

Preview Lab → · Contrast checker → · Palette generator →