#423BCE#423BCE

#423BCE is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.217 H 275.9°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#423BCE
RGB	rgb(66, 59, 206)
HSL	hsl(243, 60%, 52%)
HSV	hsv(243, 71%, 81%)
CMYK	cmyk(68%, 71.4%, 0%, 19.2%)
CIE-LAB	lab(35.48, 47.99, -74.55)
CIE-LCH	lch(35.48, 88.66, 302.77°)
OKLab	oklab(46.43% 0.0225 -0.2154)
OKLCH	oklch(46.43% 0.217 275.9)
XYZ	xyz(14.9477, 8.7411, 59.2800)
Luminance	0.0874 (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

#423BCE #C7CE3B

analogous

#3B7ECE #423BCE #8C3BCE

triadic

#423BCE #CE423B #3BCE42

tetradic

#423BCE #CE3B7E #C7CE3B #3BCE8C

square

#423BCE #CE3B7E #C7CE3B #3BCE8C

split-complementary

#423BCE #CE8C3B #7ECE3B

monochromatic

#211D72 #2F29A3 #423BCE #716CDA #A09DE6

Accessibility & contrast

On white

7.64

#423BCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#423BCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BCE

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BCE	#FFFFFF	#000000	##FFFFFF
##423BCE	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD2

Deuteranopia (green-blind)

#004DCB

Tritanopia (blue-blind)

#006481

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423bce;
/* rgb */ color: rgb(66, 59, 206);
/* oklch */ color: oklch(46.4% 0.217 275.9);

Tailwind

colors: {
  custom: {
    50: '#8973de',
    500: '#423bce',
    950: '#000000',
  },
}

SCSS

$custom: #423bce;
$custom-light: #8973de;
$custom-dark: #000000;

JSON

{
  "hex": "#423bce",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 206
  },
  "hsl": {
    "h": 242.857,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46425,
    "c": 0.21659,
    "h": 275.9
  },
  "luminance": 0.08742
}

Semantic roles & 50–950 ramp

primary

#423BCE

secondary

#D0D392

accent

#E345DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423BCE

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

Preview Lab → · Contrast checker → · Palette generator →