#423ABE#423ABE

#423ABE is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.198 H 277.5°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#423ABE
RGB	rgb(66, 58, 190)
HSL	hsl(244, 53%, 49%)
HSV	hsv(244, 69%, 75%)
CMYK	cmyk(65.3%, 69.5%, 0%, 25.5%)
CIE-LAB	lab(33.78, 43.40, -68.01)
CIE-LCH	lch(33.78, 80.68, 302.55°)
OKLab	oklab(44.75% 0.0257 -0.1963)
OKLCH	oklch(44.75% 0.198 277.5)
XYZ	xyz(13.0511, 7.9010, 49.5425)
Luminance	0.0790 (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

#423ABE #B6BE3A

analogous

#3A74BE #423ABE #843ABE

triadic

#423ABE #BE423A #3ABE42

tetradic

#423ABE #BE3A74 #B6BE3A #3ABE84

square

#423ABE #BE3A74 #B6BE3A #3ABE84

split-complementary

#423ABE #BE843A #74BE3A

monochromatic

#211D60 #322C8F #423ABE #6C65D0 #9994DE

Accessibility & contrast

On white

8.14

#423ABE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#423ABE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ABE

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ABE	#FFFFFF	#000000	##FFFFFF
##423ABE	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C2

Deuteranopia (green-blind)

#004ABC

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #423abe;
/* rgb */ color: rgb(66, 58, 190);
/* oklch */ color: oklch(44.8% 0.198 277.5);

Tailwind

colors: {
  custom: {
    50: '#8671d3',
    500: '#423abe',
    950: '#000000',
  },
}

SCSS

$custom: #423abe;
$custom-light: #8671d3;
$custom-dark: #000000;

JSON

{
  "hex": "#423abe",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 190
  },
  "hsl": {
    "h": 243.636,
    "s": 53.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4475,
    "c": 0.19798,
    "h": 277.5
  },
  "luminance": 0.07902
}

Semantic roles & 50–950 ramp

primary

#423ABE

secondary

#C6CA8A

accent

#DD4BD4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #423ABE

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

Preview Lab → · Contrast checker → · Palette generator →