#423AC1#423AC1

#423AC1 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.202 H 277.2°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#423AC1
RGB	rgb(66, 58, 193)
HSL	hsl(244, 54%, 49%)
HSV	hsv(244, 70%, 76%)
CMYK	cmyk(65.8%, 69.9%, 0%, 24.3%)
CIE-LAB	lab(34.05, 44.37, -69.32)
CIE-LCH	lch(34.05, 82.30, 302.63°)
OKLab	oklab(45.03% 0.0252 -0.2001)
OKLCH	oklch(45.03% 0.202 277.2)
XYZ	xyz(13.3823, 8.0335, 51.2871)
Luminance	0.0804 (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

#423AC1 #B9C13A

analogous

#3A75C1 #423AC1 #863AC1

triadic

#423AC1 #C1423A #3AC142

tetradic

#423AC1 #C13A75 #B9C13A #3AC186

square

#423AC1 #C13A75 #B9C13A #3AC186

split-complementary

#423AC1 #C1863A #75C13A

monochromatic

#221E63 #322C92 #423AC1 #6D67D1 #9A96DF

Accessibility & contrast

On white

8.06

#423AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#423AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423AC1

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423AC1	#FFFFFF	#000000	##FFFFFF
##423AC1	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C5

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #423ac1;
/* rgb */ color: rgb(66, 58, 193);
/* oklch */ color: oklch(45.0% 0.202 277.2);

Tailwind

colors: {
  custom: {
    50: '#8672d5',
    500: '#423ac1',
    950: '#000000',
  },
}

SCSS

$custom: #423ac1;
$custom-light: #8672d5;
$custom-dark: #000000;

JSON

{
  "hex": "#423ac1",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 193
  },
  "hsl": {
    "h": 243.556,
    "s": 53.785,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45033,
    "c": 0.2017,
    "h": 277.2
  },
  "luminance": 0.08035
}

Semantic roles & 50–950 ramp

primary

#423AC1

secondary

#C7CB8C

accent

#DD4BD4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423AC1

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

Preview Lab → · Contrast checker → · Palette generator →