#423B92#423B92

#423B92 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.138 H 282.0°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#423B92
RGB	rgb(66, 59, 146)
HSL	hsl(245, 42%, 40%)
HSV	hsv(245, 60%, 57%)
CMYK	cmyk(54.8%, 59.6%, 0%, 42.7%)
CIE-LAB	lab(30.31, 28.28, -47.26)
CIE-LCH	lch(30.31, 55.07, 300.90°)
OKLab	oklab(41.08% 0.0289 -0.1354)
OKLCH	oklch(41.08% 0.138 282)
XYZ	xyz(8.9974, 6.3610, 27.9422)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B92 #8B923B

analogous

#3B5F92 #423B92 #6E3B92

triadic

#423B92 #92423B #3B9242

tetradic

#423B92 #923B5F #8B923B #3B926E

square

#423B92 #923B5F #8B923B #3B926E

split-complementary

#423B92 #926E3B #5F923B

monochromatic

#1B183B #2E2966 #423B92 #5A51B9 #837DCA

Accessibility & contrast

On white

9.24

#423B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#423B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B92

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B92	#FFFFFF	#000000	##FFFFFF
##423B92	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A95

Deuteranopia (green-blind)

#004490

Tritanopia (blue-blind)

#1F4F60

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #423b92;
/* rgb */ color: rgb(66, 59, 146);
/* oklch */ color: oklch(41.1% 0.138 282.0);

Tailwind

colors: {
  custom: {
    50: '#7e71b3',
    500: '#423b92',
    950: '#000000',
  },
}

SCSS

$custom: #423b92;
$custom-light: #7e71b3;
$custom-dark: #000000;

JSON

{
  "hex": "#423b92",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 146
  },
  "hsl": {
    "h": 244.828,
    "s": 42.439,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41078,
    "c": 0.13845,
    "h": 282
  },
  "luminance": 0.06362
}

Semantic roles & 50–950 ramp

primary

#423B92

secondary

#AFB475

accent

#D256C8

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #423B92

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

Preview Lab → · Contrast checker → · Palette generator →