#423ED5#423ED5

#423ED5 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.5% C 0.222 H 275.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#423ED5
RGB	rgb(66, 62, 213)
HSL	hsl(242, 64%, 54%)
HSV	hsv(242, 71%, 84%)
CMYK	cmyk(69%, 70.9%, 0%, 16.5%)
CIE-LAB	lab(36.75, 48.55, -76.50)
CIE-LCH	lch(36.75, 90.60, 302.40°)
OKLab	oklab(47.54% 0.0195 -0.2211)
OKLCH	oklch(47.54% 0.222 275)
XYZ	xyz(15.9757, 9.4061, 63.9115)
Luminance	0.0941 (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

#423ED5 #D1D53E

analogous

#3E86D5 #423ED5 #8E3ED5

triadic

#423ED5 #D5423E #3ED542

tetradic

#423ED5 #D53E86 #D1D53E #3ED58E

square

#423ED5 #D53E86 #D1D53E #3ED58E

split-complementary

#423ED5 #D58E3E #86D53E

monochromatic

#1E1B7D #2A26B0 #423ED5 #7370E0 #A4A3EB

Accessibility & contrast

On white

7.29

#423ED5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#423ED5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ED5

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ED5	#FFFFFF	#000000	##FFFFFF
##423ED5	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD9

Deuteranopia (green-blind)

#0050D2

Tritanopia (blue-blind)

#006885

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #423ed5;
/* rgb */ color: rgb(66, 62, 213);
/* oklch */ color: oklch(47.5% 0.222 275.0);

Tailwind

colors: {
  custom: {
    50: '#8a75e3',
    500: '#423ed5',
    950: '#000000',
  },
}

SCSS

$custom: #423ed5;
$custom-light: #8a75e3;
$custom-dark: #000000;

JSON

{
  "hex": "#423ed5",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 213
  },
  "hsl": {
    "h": 241.589,
    "s": 64.255,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47535,
    "c": 0.22198,
    "h": 275
  },
  "luminance": 0.09408
}

Semantic roles & 50–950 ramp

primary

#423ED5

secondary

#D6D897

accent

#E741E3

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #423ED5

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

Preview Lab → · Contrast checker → · Palette generator →