#423ACA#423ACA

#423ACA is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.213 H 276.4°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#423ACA
RGB	rgb(66, 58, 202)
HSL	hsl(243, 58%, 51%)
HSV	hsv(243, 71%, 79%)
CMYK	cmyk(67.3%, 71.3%, 0%, 20.8%)
CIE-LAB	lab(34.90, 47.27, -73.19)
CIE-LCH	lch(34.90, 87.12, 302.86°)
OKLab	oklab(45.89% 0.0237 -0.2114)
OKLCH	oklch(45.89% 0.213 276.4)
XYZ	xyz(14.4170, 8.4473, 56.7364)
Luminance	0.0845 (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

#423ACA #C2CA3A

analogous

#3A7ACA #423ACA #8A3ACA

triadic

#423ACA #CA423A #3ACA42

tetradic

#423ACA #CA3A7A #C2CA3A #3ACA8A

square

#423ACA #CA3A7A #C2CA3A #3ACA8A

split-complementary

#423ACA #CA8A3A #7ACA3A

monochromatic

#221D6C #312A9D #423ACA #706AD7 #9F9AE4

Accessibility & contrast

On white

7.81

#423ACA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#423ACA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ACA

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ACA	#FFFFFF	#000000	##FFFFFF
##423ACA	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CE

Deuteranopia (green-blind)

#004CC7

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423aca;
/* rgb */ color: rgb(66, 58, 202);
/* oklch */ color: oklch(45.9% 0.213 276.4);

Tailwind

colors: {
  custom: {
    50: '#8872db',
    500: '#423aca',
    950: '#000000',
  },
}

SCSS

$custom: #423aca;
$custom-light: #8872db;
$custom-dark: #000000;

JSON

{
  "hex": "#423aca",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 202
  },
  "hsl": {
    "h": 243.333,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45894,
    "c": 0.21276,
    "h": 276.4
  },
  "luminance": 0.08449
}

Semantic roles & 50–950 ramp

primary

#423ACA

secondary

#CCD090

accent

#E147D8

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423ACA

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

Preview Lab → · Contrast checker → · Palette generator →