#423ABD#423ABD

#423ABD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.7% C 0.197 H 277.6°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#423ABD
RGB	rgb(66, 58, 189)
HSL	hsl(244, 53%, 48%)
HSV	hsv(244, 69%, 74%)
CMYK	cmyk(65.1%, 69.3%, 0%, 25.9%)
CIE-LAB	lab(33.68, 43.08, -67.57)
CIE-LCH	lch(33.68, 80.13, 302.52°)
OKLab	oklab(44.66% 0.0259 -0.195)
OKLCH	oklch(44.66% 0.197 277.6)
XYZ	xyz(12.9422, 7.8574, 48.9689)
Luminance	0.0786 (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

#423ABD #B5BD3A

analogous

#3A73BD #423ABD #833ABD

triadic

#423ABD #BD423A #3ABD42

tetradic

#423ABD #BD3A73 #B5BD3A #3ABD83

square

#423ABD #BD3A73 #B5BD3A #3ABD83

split-complementary

#423ABD #BD833A #73BD3A

monochromatic

#211D5F #322C8E #423ABD #6B65D0 #9893DE

Accessibility & contrast

On white

8.17

#423ABD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#423ABD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ABD

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ABD	#FFFFFF	#000000	##FFFFFF
##423ABD	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #423abd;
/* rgb */ color: rgb(66, 58, 189);
/* oklch */ color: oklch(44.7% 0.197 277.6);

Tailwind

colors: {
  custom: {
    50: '#8671d2',
    500: '#423abd',
    950: '#000000',
  },
}

SCSS

$custom: #423abd;
$custom-light: #8671d2;
$custom-dark: #000000;

JSON

{
  "hex": "#423abd",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 189
  },
  "hsl": {
    "h": 243.664,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44656,
    "c": 0.19673,
    "h": 277.6
  },
  "luminance": 0.07858
}

Semantic roles & 50–950 ramp

primary

#423ABD

secondary

#C5C98A

accent

#DC4BD4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #423ABD

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

Preview Lab → · Contrast checker → · Palette generator →