#423CAE#423CAE

#423CAE is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.175 H 278.6°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#423CAE
RGB	rgb(66, 60, 174)
HSL	hsl(243, 49%, 46%)
HSV	hsv(243, 66%, 68%)
CMYK	cmyk(62.1%, 65.5%, 0%, 31.8%)
CIE-LAB	lab(32.80, 36.96, -60.13)
CIE-LCH	lch(32.80, 70.58, 301.58°)
OKLab	oklab(43.61% 0.0262 -0.1732)
OKLCH	oklch(43.61% 0.175 278.6)
XYZ	xyz(11.5002, 7.4451, 40.8672)
Luminance	0.0745 (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

#423CAE #A8AE3C

analogous

#3C6FAE #423CAE #7B3CAE

triadic

#423CAE #AE423C #3CAE42

tetradic

#423CAE #AE3C6F #A8AE3C #3CAE7B

square

#423CAE #AE3C6F #A8AE3C #3CAE7B

split-complementary

#423CAE #AE7B3C #6FAE3C

monochromatic

#1F1D53 #312C80 #423CAE #655FC8 #918DD8

Accessibility & contrast

On white

8.44

#423CAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#423CAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CAE

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CAE	#FFFFFF	#000000	##FFFFFF
##423CAE	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0049AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #423cae;
/* rgb */ color: rgb(66, 60, 174);
/* oklch */ color: oklch(43.6% 0.175 278.6);

Tailwind

colors: {
  custom: {
    50: '#8372c7',
    500: '#423cae',
    950: '#000000',
  },
}

SCSS

$custom: #423cae;
$custom-light: #8372c7;
$custom-dark: #000000;

JSON

{
  "hex": "#423cae",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 174
  },
  "hsl": {
    "h": 243.158,
    "s": 48.718,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4361,
    "c": 0.17519,
    "h": 278.6
  },
  "luminance": 0.07446
}

Semantic roles & 50–950 ramp

primary

#423CAE

secondary

#BFC283

accent

#D850D1

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #423CAE

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

Preview Lab → · Contrast checker → · Palette generator →