#423ACE#423ACE

#423ACE is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.218 H 276.1°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#423ACE
RGB	rgb(66, 58, 206)
HSL	hsl(243, 60%, 52%)
HSV	hsv(243, 72%, 81%)
CMYK	cmyk(68%, 71.8%, 0%, 19.2%)
CIE-LAB	lab(35.28, 48.54, -74.88)
CIE-LCH	lch(35.28, 89.24, 302.96°)
OKLab	oklab(46.28% 0.023 -0.2164)
OKLCH	oklch(46.28% 0.218 276.1)
XYZ	xyz(14.8967, 8.6392, 59.2630)
Luminance	0.0864 (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

#423ACE #C6CE3A

analogous

#3A7CCE #423ACE #8C3ACE

triadic

#423ACE #CE423A #3ACE42

tetradic

#423ACE #CE3A7C #C6CE3A #3ACE8C

square

#423ACE #CE3A7C #C6CE3A #3ACE8C

split-complementary

#423ACE #CE8C3A #7CCE3A

monochromatic

#211C71 #2F28A2 #423ACE #716BDA #A09CE6

Accessibility & contrast

On white

7.70

#423ACE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#423ACE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ACE

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ACE	#FFFFFF	#000000	##FFFFFF
##423ACE	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D2

Deuteranopia (green-blind)

#004CCB

Tritanopia (blue-blind)

#006480

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423ace;
/* rgb */ color: rgb(66, 58, 206);
/* oklch */ color: oklch(46.3% 0.218 276.1);

Tailwind

colors: {
  custom: {
    50: '#8972de',
    500: '#423ace',
    950: '#000000',
  },
}

SCSS

$custom: #423ace;
$custom-light: #8972de;
$custom-dark: #000000;

JSON

{
  "hex": "#423ace",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 206
  },
  "hsl": {
    "h": 243.243,
    "s": 60.163,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46282,
    "c": 0.2176,
    "h": 276.1
  },
  "luminance": 0.08641
}

Semantic roles & 50–950 ramp

primary

#423ACE

secondary

#CFD291

accent

#E344DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423ACE

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

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