#423EC1#423EC1

#423EC1 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.197 H 276.5°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#423EC1
RGB	rgb(66, 62, 193)
HSL	hsl(242, 51%, 50%)
HSV	hsv(242, 68%, 76%)
CMYK	cmyk(65.8%, 67.9%, 0%, 24.3%)
CIE-LAB	lab(34.91, 42.04, -67.91)
CIE-LCH	lch(34.91, 79.87, 301.76°)
OKLab	oklab(45.65% 0.0224 -0.196)
OKLCH	oklch(45.65% 0.197 276.5)
XYZ	xyz(13.5919, 8.4526, 51.3570)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423EC1 #BDC13E

analogous

#3E7CC1 #423EC1 #833EC1

triadic

#423EC1 #C1423E #3EC142

tetradic

#423EC1 #C13E7C #BDC13E #3EC183

square

#423EC1 #C13E7C #BDC13E #3EC183

split-complementary

#423EC1 #C1833E #7CC13E

monochromatic

#222064 #322F93 #423EC1 #6F6CD0 #9D9BDF

Accessibility & contrast

On white

7.80

#423EC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#423EC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EC1

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EC1	#FFFFFF	#000000	##FFFFFF
##423EC1	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C5

Deuteranopia (green-blind)

#004CBF

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423ec1;
/* rgb */ color: rgb(66, 62, 193);
/* oklch */ color: oklch(45.6% 0.197 276.5);

Tailwind

colors: {
  custom: {
    50: '#8674d5',
    500: '#423ec1',
    950: '#000000',
  },
}

SCSS

$custom: #423ec1;
$custom-light: #8674d5;
$custom-dark: #000000;

JSON

{
  "hex": "#423ec1",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 193
  },
  "hsl": {
    "h": 241.832,
    "s": 51.373,
    "l": 50
  },
  "oklch": {
    "l": 0.45649,
    "c": 0.19729,
    "h": 276.5
  },
  "luminance": 0.08454
}

Semantic roles & 50–950 ramp

primary

#423EC1

secondary

#C9CB90

accent

#DB4DD7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423EC1

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

Preview Lab → · Contrast checker → · Palette generator →