#423FC6#423FC6

#423FC6 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.3% C 0.202 H 276.0°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#423FC6
RGB	rgb(66, 63, 198)
HSL	hsl(241, 54%, 51%)
HSV	hsv(241, 68%, 78%)
CMYK	cmyk(66.7%, 68.2%, 0%, 22.4%)
CIE-LAB	lab(35.58, 43.09, -69.74)
CIE-LCH	lch(35.58, 81.98, 301.71°)
OKLab	oklab(46.27% 0.0211 -0.2014)
OKLCH	oklch(46.27% 0.202 276)
XYZ	xyz(14.2140, 8.7892, 54.3626)
Luminance	0.0879 (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

#423FC6 #C3C63F

analogous

#3F7FC6 #423FC6 #853FC6

triadic

#423FC6 #C6423F #3FC642

tetradic

#423FC6 #C63F7F #C3C63F #3FC685

square

#423FC6 #C63F7F #C3C63F #3FC685

split-complementary

#423FC6 #C6853F #7FC63F

monochromatic

#21206B #302E9A #423FC6 #706ED4 #9F9DE2

Accessibility & contrast

On white

7.61

#423FC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#423FC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423FC6

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423FC6	#FFFFFF	#000000	##FFFFFF
##423FC6	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACA

Deuteranopia (green-blind)

#004EC3

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423fc6;
/* rgb */ color: rgb(66, 63, 198);
/* oklch */ color: oklch(46.3% 0.202 276.0);

Tailwind

colors: {
  custom: {
    50: '#8775d8',
    500: '#423fc6',
    950: '#000000',
  },
}

SCSS

$custom: #423fc6;
$custom-light: #8775d8;
$custom-dark: #000000;

JSON

{
  "hex": "#423fc6",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 198
  },
  "hsl": {
    "h": 241.333,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46267,
    "c": 0.20247,
    "h": 276
  },
  "luminance": 0.0879
}

Semantic roles & 50–950 ramp

primary

#423FC6

secondary

#CDCE93

accent

#DE4ADA

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423FC6

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

Preview Lab → · Contrast checker → · Palette generator →