#423DC7#423DC7

#423DC7 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.1% C 0.206 H 276.2°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#423DC7
RGB	rgb(66, 61, 199)
HSL	hsl(242, 55%, 51%)
HSV	hsv(242, 69%, 78%)
CMYK	cmyk(66.8%, 69.3%, 0%, 22%)
CIE-LAB	lab(35.24, 44.59, -70.88)
CIE-LCH	lch(35.24, 83.73, 302.17°)
OKLab	oklab(46.05% 0.0223 -0.2047)
OKLCH	oklch(46.05% 0.206 276.2)
XYZ	xyz(14.2209, 8.6180, 54.9358)
Luminance	0.0862 (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

#423DC7 #C2C73D

analogous

#3D7DC7 #423DC7 #873DC7

triadic

#423DC7 #C7423D #3DC742

tetradic

#423DC7 #C73D7D #C2C73D #3DC787

square

#423DC7 #C73D7D #C2C73D #3DC787

split-complementary

#423DC7 #C7873D #7DC73D

monochromatic

#221F6B #312D9A #423DC7 #706CD5 #9F9CE2

Accessibility & contrast

On white

7.71

#423DC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#423DC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DC7

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DC7	#FFFFFF	#000000	##FFFFFF
##423DC7	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CB

Deuteranopia (green-blind)

#004DC4

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423dc7;
/* rgb */ color: rgb(66, 61, 199);
/* oklch */ color: oklch(46.1% 0.206 276.2);

Tailwind

colors: {
  custom: {
    50: '#8774d9',
    500: '#423dc7',
    950: '#000000',
  },
}

SCSS

$custom: #423dc7;
$custom-light: #8774d9;
$custom-dark: #000000;

JSON

{
  "hex": "#423dc7",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 199
  },
  "hsl": {
    "h": 242.174,
    "s": 55.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46052,
    "c": 0.2059,
    "h": 276.2
  },
  "luminance": 0.08619
}

Semantic roles & 50–950 ramp

primary

#423DC7

secondary

#CCCE91

accent

#DF49D9

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423DC7

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

Preview Lab → · Contrast checker → · Palette generator →