#423993#423993

#423993 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.143 H 282.6°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#423993
RGB	rgb(66, 57, 147)
HSL	hsl(246, 44%, 40%)
HSV	hsv(246, 61%, 58%)
CMYK	cmyk(55.1%, 61.2%, 0%, 42.4%)
CIE-LAB	lab(29.89, 29.89, -48.55)
CIE-LCH	lch(29.89, 57.01, 301.62°)
OKLab	oklab(40.79% 0.031 -0.1392)
OKLCH	oklch(40.79% 0.143 282.6)
XYZ	xyz(8.9747, 6.1906, 28.3201)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423993 #8A9339

analogous

#395D93 #423993 #6F3993

triadic

#423993 #934239 #399342

tetradic

#423993 #93395D #8A9339 #39936F

square

#423993 #93395D #8A9339 #39936F

split-complementary

#423993 #936F39 #5D9339

monochromatic

#1A173B #2E2867 #423993 #594FBB #837BCC

Accessibility & contrast

On white

9.38

#423993 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#423993 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423993

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423993	#FFFFFF	#000000	##FFFFFF
##423993	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004996

Deuteranopia (green-blind)

#004391

Tritanopia (blue-blind)

#1E4E60

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #423993;
/* rgb */ color: rgb(66, 57, 147);
/* oklch */ color: oklch(40.8% 0.143 282.6);

Tailwind

colors: {
  custom: {
    50: '#7e70b3',
    500: '#423993',
    950: '#000000',
  },
}

SCSS

$custom: #423993;
$custom-light: #7e70b3;
$custom-dark: #000000;

JSON

{
  "hex": "#423993",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 147
  },
  "hsl": {
    "h": 246,
    "s": 44.118,
    "l": 40
  },
  "oklch": {
    "l": 0.40795,
    "c": 0.14262,
    "h": 282.6
  },
  "luminance": 0.06191
}

Semantic roles & 50–950 ramp

primary

#423993

secondary

#AEB573

accent

#D454C7

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #423993

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

Preview Lab → · Contrast checker → · Palette generator →