#423ACD#423ACD

#423ACD is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.2% C 0.216 H 276.2°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#423ACD
RGB	rgb(66, 58, 205)
HSL	hsl(243, 60%, 52%)
HSV	hsv(243, 72%, 80%)
CMYK	cmyk(67.8%, 71.7%, 0%, 19.6%)
CIE-LAB	lab(35.18, 48.23, -74.46)
CIE-LCH	lch(35.18, 88.71, 302.93°)
OKLab	oklab(46.18% 0.0232 -0.2151)
OKLCH	oklch(46.18% 0.216 276.2)
XYZ	xyz(14.7757, 8.5908, 58.6253)
Luminance	0.0859 (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

#423ACD #C5CD3A

analogous

#3A7CCD #423ACD #8C3ACD

triadic

#423ACD #CD423A #3ACD42

tetradic

#423ACD #CD3A7C #C5CD3A #3ACD8C

square

#423ACD #CD3A7C #C5CD3A #3ACD8C

split-complementary

#423ACD #CD8C3A #7CCD3A

monochromatic

#211C70 #2F29A1 #423ACD #716BD9 #A09CE6

Accessibility & contrast

On white

7.73

#423ACD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#423ACD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ACD

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ACD	#FFFFFF	#000000	##FFFFFF
##423ACD	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D1

Deuteranopia (green-blind)

#004CCA

Tritanopia (blue-blind)

#006380

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423acd;
/* rgb */ color: rgb(66, 58, 205);
/* oklch */ color: oklch(46.2% 0.216 276.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#423acd",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 205
  },
  "hsl": {
    "h": 243.265,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46184,
    "c": 0.21639,
    "h": 276.2
  },
  "luminance": 0.08592
}

Semantic roles & 50–950 ramp

primary

#423ACD

secondary

#CED291

accent

#E345DA

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423ACD

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

Preview Lab → · Contrast checker → · Palette generator →