#423A94#423A94

#423A94 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.143 H 282.1°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#423A94
RGB	rgb(66, 58, 148)
HSL	hsl(245, 44%, 40%)
HSV	hsv(245, 61%, 58%)
CMYK	cmyk(55.4%, 60.8%, 0%, 42%)
CIE-LAB	lab(30.21, 29.58, -48.64)
CIE-LCH	lch(30.21, 56.93, 301.31°)
OKLab	oklab(41.06% 0.0299 -0.1395)
OKLCH	oklch(41.06% 0.143 282.1)
XYZ	xyz(9.1035, 6.3219, 28.7518)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A94 #8C943A

analogous

#3A5F94 #423A94 #6F3A94

triadic

#423A94 #94423A #3A9442

tetradic

#423A94 #943A5F #8C943A #3A946F

square

#423A94 #943A5F #8C943A #3A946F

split-complementary

#423A94 #946F3A #5F943A

monochromatic

#1B183C #2E2968 #423A94 #5A51BB #847DCC

Accessibility & contrast

On white

9.27

#423A94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#423A94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A94

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A94	#FFFFFF	#000000	##FFFFFF
##423A94	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A97

Deuteranopia (green-blind)

#004492

Tritanopia (blue-blind)

#1D4F61

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #423a94;
/* rgb */ color: rgb(66, 58, 148);
/* oklch */ color: oklch(41.1% 0.143 282.1);

Tailwind

colors: {
  custom: {
    50: '#7e70b4',
    500: '#423a94',
    950: '#000000',
  },
}

SCSS

$custom: #423a94;
$custom-light: #7e70b4;
$custom-dark: #000000;

JSON

{
  "hex": "#423a94",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 148
  },
  "hsl": {
    "h": 245.333,
    "s": 43.689,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41056,
    "c": 0.14264,
    "h": 282.1
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary

#423A94

secondary

#B0B574

accent

#D354C8

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423A94

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

Preview Lab → · Contrast checker → · Palette generator →