#423FD6#423FD6

#423FD6 is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.8% C 0.222 H 274.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#423FD6
RGB	rgb(66, 63, 214)
HSL	hsl(241, 65%, 54%)
HSV	hsv(241, 71%, 84%)
CMYK	cmyk(69.2%, 70.6%, 0%, 16.1%)
CIE-LAB	lab(37.05, 48.30, -76.58)
CIE-LCH	lch(37.05, 90.55, 302.24°)
OKLab	oklab(47.78% 0.0188 -0.2214)
OKLCH	oklch(47.78% 0.222 274.9)
XYZ	xyz(16.1579, 9.5668, 64.6003)
Luminance	0.0957 (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

#423FD6 #D3D63F

analogous

#3F88D6 #423FD6 #8E3FD6

triadic

#423FD6 #D6423F #3FD642

tetradic

#423FD6 #D63F88 #D3D63F #3FD68E

square

#423FD6 #D63F88 #D3D63F #3FD68E

split-complementary

#423FD6 #D68E3F #88D63F

monochromatic

#1D1B7F #2926B2 #423FD6 #7471E1 #A5A4EC

Accessibility & contrast

On white

7.21

#423FD6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#423FD6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423FD6

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423FD6	#FFFFFF	#000000	##FFFFFF
##423FD6	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EDB

Deuteranopia (green-blind)

#0050D3

Tritanopia (blue-blind)

#006986

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #423fd6;
/* rgb */ color: rgb(66, 63, 214);
/* oklch */ color: oklch(47.8% 0.222 274.9);

Tailwind

colors: {
  custom: {
    50: '#8a75e4',
    500: '#423fd6',
    950: '#000000',
  },
}

SCSS

$custom: #423fd6;
$custom-light: #8a75e4;
$custom-dark: #000000;

JSON

{
  "hex": "#423fd6",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 214
  },
  "hsl": {
    "h": 241.192,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.47778,
    "c": 0.22217,
    "h": 274.9
  },
  "luminance": 0.09568
}

Semantic roles & 50–950 ramp

primary

#423FD6

secondary

#D7D898

accent

#E840E4

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #423FD6

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

Preview Lab → · Contrast checker → · Palette generator →