#423FD2#423FD2

#423FD2 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.4% C 0.217 H 275.1°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#423FD2
RGB	rgb(66, 63, 210)
HSL	hsl(241, 62%, 54%)
HSV	hsv(241, 70%, 82%)
CMYK	cmyk(68.6%, 70%, 0%, 17.6%)
CIE-LAB	lab(36.68, 47.01, -74.90)
CIE-LCH	lch(36.68, 88.43, 302.11°)
OKLab	oklab(47.4% 0.0194 -0.2164)
OKLCH	oklch(47.4% 0.217 275.1)
XYZ	xyz(15.6533, 9.3650, 61.9430)
Luminance	0.0937 (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

#423FD2 #CFD23F

analogous

#3F86D2 #423FD2 #8B3FD2

triadic

#423FD2 #D2423F #3FD242

tetradic

#423FD2 #D23F86 #CFD23F #3FD28B

square

#423FD2 #D23F86 #CFD23F #3FD28B

split-complementary

#423FD2 #D28B3F #86D23F

monochromatic

#1F1D7A #2B28AC #423FD2 #7371DE #A4A2E9

Accessibility & contrast

On white

7.31

#423FD2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#423FD2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423FD2

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423FD2	#FFFFFF	#000000	##FFFFFF
##423FD2	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD6

Deuteranopia (green-blind)

#0050CF

Tritanopia (blue-blind)

#006884

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #423fd2;
/* rgb */ color: rgb(66, 63, 210);
/* oklch */ color: oklch(47.4% 0.217 275.1);

Tailwind

colors: {
  custom: {
    50: '#8975e1',
    500: '#423fd2',
    950: '#000000',
  },
}

SCSS

$custom: #423fd2;
$custom-light: #8975e1;
$custom-dark: #000000;

JSON

{
  "hex": "#423fd2",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 210
  },
  "hsl": {
    "h": 241.224,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47395,
    "c": 0.21731,
    "h": 275.1
  },
  "luminance": 0.09366
}

Semantic roles & 50–950 ramp

primary

#423FD2

secondary

#D5D697

accent

#E543E2

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #423FD2

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

Preview Lab → · Contrast checker → · Palette generator →