#423CC4#423CC4

#423CC4 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.6% C 0.203 H 276.6°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#423CC4
RGB	rgb(66, 60, 196)
HSL	hsl(243, 54%, 50%)
HSV	hsv(243, 69%, 77%)
CMYK	cmyk(66.3%, 69.4%, 0%, 23.1%)
CIE-LAB	lab(34.75, 44.19, -69.93)
CIE-LCH	lch(34.75, 82.72, 302.29°)
OKLab	oklab(45.62% 0.0234 -0.2019)
OKLCH	oklch(45.62% 0.203 276.6)
XYZ	xyz(13.8232, 8.3743, 53.1018)
Luminance	0.0838 (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

#423CC4 #BEC43C

analogous

#3C7AC4 #423CC4 #863CC4

triadic

#423CC4 #C4423C #3CC442

tetradic

#423CC4 #C43C7A #BEC43C #3CC486

square

#423CC4 #C43C7A #BEC43C #3CC486

split-complementary

#423CC4 #C4863C #7AC43C

monochromatic

#221F67 #322D96 #423CC4 #706BD2 #9D9AE0

Accessibility & contrast

On white

7.85

#423CC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#423CC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CC4

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CC4	#FFFFFF	#000000	##FFFFFF
##423CC4	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C8

Deuteranopia (green-blind)

#004CC1

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423cc4;
/* rgb */ color: rgb(66, 60, 196);
/* oklch */ color: oklch(45.6% 0.203 276.6);

Tailwind

colors: {
  custom: {
    50: '#8773d7',
    500: '#423cc4',
    950: '#000000',
  },
}

SCSS

$custom: #423cc4;
$custom-light: #8773d7;
$custom-dark: #000000;

JSON

{
  "hex": "#423cc4",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 196
  },
  "hsl": {
    "h": 242.647,
    "s": 53.543,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45618,
    "c": 0.20326,
    "h": 276.6
  },
  "luminance": 0.08375
}

Semantic roles & 50–950 ramp

primary

#423CC4

secondary

#CACC90

accent

#DD4BD6

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423CC4

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

Preview Lab → · Contrast checker → · Palette generator →