#423CAA#423CAA

#423CAA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.170 H 279.0°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#423CAA
RGB	rgb(66, 60, 170)
HSL	hsl(243, 48%, 45%)
HSV	hsv(243, 65%, 67%)
CMYK	cmyk(61.2%, 64.7%, 0%, 33.3%)
CIE-LAB	lab(32.46, 35.63, -58.29)
CIE-LCH	lch(32.46, 68.32, 301.44°)
OKLab	oklab(43.26% 0.0266 -0.1678)
OKLCH	oklch(43.26% 0.17 279)
XYZ	xyz(11.1160, 7.2914, 38.8440)
Luminance	0.0729 (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

#423CAA #A4AA3C

analogous

#3C6DAA #423CAA #793CAA

triadic

#423CAA #AA423C #3CAA42

tetradic

#423CAA #AA3C6D #A4AA3C #3CAA79

square

#423CAA #AA3C6D #A4AA3C #3CAA79

split-complementary

#423CAA #AA793C #6DAA3C

monochromatic

#1F1C50 #302C7D #423CAA #635DC6 #8F8BD6

Accessibility & contrast

On white

8.54

#423CAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#423CAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CAA

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CAA	#FFFFFF	#000000	##FFFFFF
##423CAA	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AD

Deuteranopia (green-blind)

#0048A8

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #423caa;
/* rgb */ color: rgb(66, 60, 170);
/* oklch */ color: oklch(43.3% 0.170 279.0);

Tailwind

colors: {
  custom: {
    50: '#8272c4',
    500: '#423caa',
    950: '#000000',
  },
}

SCSS

$custom: #423caa;
$custom-light: #8272c4;
$custom-dark: #000000;

JSON

{
  "hex": "#423caa",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 170
  },
  "hsl": {
    "h": 243.273,
    "s": 47.826,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43259,
    "c": 0.16991,
    "h": 279
  },
  "luminance": 0.07292
}

Semantic roles & 50–950 ramp

primary

#423CAA

secondary

#BDC081

accent

#D750D0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #423CAA

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

Preview Lab → · Contrast checker → · Palette generator →