#423EAD#423EAD

#423EAD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.171 H 278.2°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#423EAD
RGB	rgb(66, 62, 173)
HSL	hsl(242, 47%, 46%)
HSV	hsv(242, 64%, 68%)
CMYK	cmyk(61.8%, 64.2%, 0%, 32.2%)
CIE-LAB	lab(33.18, 35.39, -58.92)
CIE-LCH	lch(33.18, 68.73, 301.00°)
OKLab	oklab(43.86% 0.0246 -0.1696)
OKLCH	oklch(43.86% 0.171 278.2)
XYZ	xyz(11.5098, 7.6198, 40.3913)
Luminance	0.0762 (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

#423EAD #A9AD3E

analogous

#3E71AD #423EAD #793EAD

triadic

#423EAD #AD423E #3EAD42

tetradic

#423EAD #AD3E71 #A9AD3E #3EAD79

square

#423EAD #AD3E71 #A9AD3E #3EAD79

split-complementary

#423EAD #AD793E #71AD3E

monochromatic

#201E53 #312E80 #423EAD #6562C7 #918FD7

Accessibility & contrast

On white

8.32

#423EAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#423EAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EAD

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EAD	#FFFFFF	#000000	##FFFFFF
##423EAD	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B1

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #423ead;
/* rgb */ color: rgb(66, 62, 173);
/* oklch */ color: oklch(43.9% 0.171 278.2);

Tailwind

colors: {
  custom: {
    50: '#8274c6',
    500: '#423ead',
    950: '#000000',
  },
}

SCSS

$custom: #423ead;
$custom-light: #8274c6;
$custom-dark: #000000;

JSON

{
  "hex": "#423ead",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 173
  },
  "hsl": {
    "h": 242.162,
    "s": 47.234,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43859,
    "c": 0.17141,
    "h": 278.2
  },
  "luminance": 0.07621
}

Semantic roles & 50–950 ramp

primary

#423EAD

secondary

#C0C285

accent

#D751D2

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #423EAD

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

Preview Lab → · Contrast checker → · Palette generator →