#423DD7#423DD7

#423DD7 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.6% C 0.225 H 275.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#423DD7
RGB	rgb(66, 61, 215)
HSL	hsl(242, 66%, 54%)
HSV	hsv(242, 72%, 84%)
CMYK	cmyk(69.3%, 71.6%, 0%, 15.7%)
CIE-LAB	lab(36.74, 49.75, -77.67)
CIE-LCH	lch(36.74, 92.24, 302.64°)
OKLab	oklab(47.59% 0.0198 -0.2245)
OKLCH	oklch(47.59% 0.225 275)
XYZ	xyz(16.1772, 9.4005, 65.2387)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.78

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423DD7 #D2D73D

analogous

#3D85D7 #423DD7 #8F3DD7

triadic

#423DD7 #D7423D #3DD742

tetradic

#423DD7 #D73D85 #D2D73D #3DD78F

square

#423DD7 #D73D85 #D2D73D #3DD78F

split-complementary

#423DD7 #D78F3D #85D73D

monochromatic

#1E1A7F #2925B2 #423DD7 #7370E1 #A5A2EC

Accessibility & contrast

On white

7.29

#423DD7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#423DD7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DD7

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DD7	#FFFFFF	#000000	##FFFFFF
##423DD7	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)

#005DDC

Deuteranopia (green-blind)

#004FD4

Tritanopia (blue-blind)

#006886

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #423dd7;
/* rgb */ color: rgb(66, 61, 215);
/* oklch */ color: oklch(47.6% 0.225 275.0);

Tailwind

colors: {
  custom: {
    50: '#8b74e5',
    500: '#423dd7',
    950: '#000000',
  },
}

SCSS

$custom: #423dd7;
$custom-light: #8b74e5;
$custom-dark: #000000;

JSON

{
  "hex": "#423dd7",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 215
  },
  "hsl": {
    "h": 241.948,
    "s": 65.812,
    "l": 54.118
  },
  "oklch": {
    "l": 0.47586,
    "c": 0.2254,
    "h": 275
  },
  "luminance": 0.09402
}

Semantic roles & 50–950 ramp

primary

#423DD7

secondary

#D7D997

accent

#E93FE3

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #423DD7

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

Preview Lab → · Contrast checker → · Palette generator →