#423BA2#423BA2

#423BA2 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.160 H 280.1°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#423BA2
RGB	rgb(66, 59, 162)
HSL	hsl(244, 47%, 43%)
HSV	hsv(244, 64%, 64%)
CMYK	cmyk(59.3%, 63.6%, 0%, 36.5%)
CIE-LAB	lab(31.56, 33.59, -54.95)
CIE-LCH	lch(31.56, 64.40, 301.44°)
OKLab	oklab(42.4% 0.0282 -0.158)
OKLCH	oklch(42.4% 0.16 280.1)
XYZ	xyz(10.3303, 6.8941, 34.9617)
Luminance	0.0689 (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

#423BA2 #9BA23B

analogous

#3B67A2 #423BA2 #753BA2

triadic

#423BA2 #A2423B #3BA242

tetradic

#423BA2 #A23B67 #9BA23B #3BA275

square

#423BA2 #A23B67 #9BA23B #3BA275

split-complementary

#423BA2 #A2753B #67A23B

monochromatic

#1D1A48 #302B75 #423BA2 #5F58C2 #8A85D3

Accessibility & contrast

On white

8.83

#423BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#423BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BA2

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BA2	#FFFFFF	#000000	##FFFFFF
##423BA2	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0046A0

Tritanopia (blue-blind)

#015569

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #423ba2;
/* rgb */ color: rgb(66, 59, 162);
/* oklch */ color: oklch(42.4% 0.160 280.1);

Tailwind

colors: {
  custom: {
    50: '#8071be',
    500: '#423ba2',
    950: '#000000',
  },
}

SCSS

$custom: #423ba2;
$custom-light: #8071be;
$custom-dark: #000000;

JSON

{
  "hex": "#423ba2",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 162
  },
  "hsl": {
    "h": 244.078,
    "s": 46.606,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42398,
    "c": 0.16049,
    "h": 280.1
  },
  "luminance": 0.06895
}

Semantic roles & 50–950 ramp

primary

#423BA2

secondary

#B8BD7C

accent

#D652CD

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #423BA2

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

Preview Lab → · Contrast checker → · Palette generator →