#423FCA#423FCA

#423FCA is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.6% C 0.207 H 275.7°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#423FCA
RGB	rgb(66, 63, 202)
HSL	hsl(241, 57%, 52%)
HSV	hsv(241, 69%, 79%)
CMYK	cmyk(67.3%, 68.8%, 0%, 20.8%)
CIE-LAB	lab(35.94, 44.40, -71.47)
CIE-LCH	lch(35.94, 84.14, 301.85°)
OKLab	oklab(46.64% 0.0206 -0.2064)
OKLCH	oklch(46.64% 0.207 275.7)
XYZ	xyz(14.6814, 8.9762, 56.8245)
Luminance	0.0898 (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

#423FCA #C7CA3F

analogous

#3F82CA #423FCA #883FCA

triadic

#423FCA #CA423F #3FCA42

tetradic

#423FCA #CA3F82 #C7CA3F #3FCA88

square

#423FCA #CA3F82 #C7CA3F #3FCA88

split-complementary

#423FCA #CA883F #82CA3F

monochromatic

#211F70 #2F2CA0 #423FCA #716FD7 #A09FE4

Accessibility & contrast

On white

7.51

#423FCA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#423FCA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423FCA

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423FCA	#FFFFFF	#000000	##FFFFFF
##423FCA	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCE

Deuteranopia (green-blind)

#004EC7

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #423fca;
/* rgb */ color: rgb(66, 63, 202);
/* oklch */ color: oklch(46.6% 0.207 275.7);

Tailwind

colors: {
  custom: {
    50: '#8875db',
    500: '#423fca',
    950: '#000000',
  },
}

SCSS

$custom: #423fca;
$custom-light: #8875db;
$custom-dark: #000000;

JSON

{
  "hex": "#423fca",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 202
  },
  "hsl": {
    "h": 241.295,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.4664,
    "c": 0.20746,
    "h": 275.7
  },
  "luminance": 0.08978
}

Semantic roles & 50–950 ramp

primary

#423FCA

secondary

#D0D194

accent

#E048DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423FCA

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

Preview Lab → · Contrast checker → · Palette generator →