#423CC1#423CC1

#423CC1 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.3% C 0.200 H 276.9°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#423CC1
RGB	rgb(66, 60, 193)
HSL	hsl(243, 53%, 50%)
HSV	hsv(243, 69%, 76%)
CMYK	cmyk(65.8%, 68.9%, 0%, 24.3%)
CIE-LAB	lab(34.48, 43.21, -68.62)
CIE-LCH	lch(34.48, 81.09, 302.20°)
OKLab	oklab(45.34% 0.0239 -0.1981)
OKLCH	oklch(45.34% 0.2 276.9)
XYZ	xyz(13.4851, 8.2391, 51.3214)
Luminance	0.0824 (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

#423CC1 #BBC13C

analogous

#3C78C1 #423CC1 #853CC1

triadic

#423CC1 #C1423C #3CC142

tetradic

#423CC1 #C13C78 #BBC13C #3CC185

square

#423CC1 #C13C78 #BBC13C #3CC185

split-complementary

#423CC1 #C1853C #78C13C

monochromatic

#221F64 #322D92 #423CC1 #6E6AD1 #9C98DF

Accessibility & contrast

On white

7.93

#423CC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#423CC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CC1

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CC1	#FFFFFF	#000000	##FFFFFF
##423CC1	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C5

Deuteranopia (green-blind)

#004BBF

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #423cc1;
/* rgb */ color: rgb(66, 60, 193);
/* oklch */ color: oklch(45.3% 0.200 276.9);

Tailwind

colors: {
  custom: {
    50: '#8673d5',
    500: '#423cc1',
    950: '#000000',
  },
}

SCSS

$custom: #423cc1;
$custom-light: #8673d5;
$custom-dark: #000000;

JSON

{
  "hex": "#423cc1",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 193
  },
  "hsl": {
    "h": 242.707,
    "s": 52.569,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45337,
    "c": 0.19952,
    "h": 276.9
  },
  "luminance": 0.0824
}

Semantic roles & 50–950 ramp

primary

#423CC1

secondary

#C8CB8E

accent

#DC4CD5

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423CC1

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

Preview Lab → · Contrast checker → · Palette generator →