#423B96#423B96

#423B96 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.144 H 281.5°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#423B96
RGB	rgb(66, 59, 150)
HSL	hsl(245, 44%, 41%)
HSV	hsv(245, 61%, 59%)
CMYK	cmyk(56%, 60.7%, 0%, 41.2%)
CIE-LAB	lab(30.61, 29.61, -49.21)
CIE-LCH	lch(30.61, 57.43, 301.03°)
OKLab	oklab(41.4% 0.0288 -0.1411)
OKLCH	oklch(41.4% 0.144 281.5)
XYZ	xyz(9.3140, 6.4876, 29.6097)
Luminance	0.0649 (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

#423B96 #8F963B

analogous

#3B6196 #423B96 #6F3B96

triadic

#423B96 #96423B #3B9642

tetradic

#423B96 #963B61 #8F963B #3B966F

square

#423B96 #963B61 #8F963B #3B966F

split-complementary

#423B96 #966F3B #61963B

monochromatic

#1B183E #2F2A6A #423B96 #5B53BB #857FCD

Accessibility & contrast

On white

9.14

#423B96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#423B96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B96

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B96	#FFFFFF	#000000	##FFFFFF
##423B96	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B99

Deuteranopia (green-blind)

#004594

Tritanopia (blue-blind)

#1A5162

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #423b96;
/* rgb */ color: rgb(66, 59, 150);
/* oklch */ color: oklch(41.4% 0.144 281.5);

Tailwind

colors: {
  custom: {
    50: '#7e71b6',
    500: '#423b96',
    950: '#000000',
  },
}

SCSS

$custom: #423b96;
$custom-light: #7e71b6;
$custom-dark: #000000;

JSON

{
  "hex": "#423b96",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 150
  },
  "hsl": {
    "h": 244.615,
    "s": 43.541,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41399,
    "c": 0.14405,
    "h": 281.5
  },
  "luminance": 0.06488
}

Semantic roles & 50–950 ramp

primary

#423B96

secondary

#B1B677

accent

#D355CA

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423B96

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

Preview Lab → · Contrast checker → · Palette generator →