#423783#423783

#423783 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.123 H 285.9°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#423783
RGB	rgb(66, 55, 131)
HSL	hsl(249, 41%, 36%)
HSV	hsv(249, 58%, 51%)
CMYK	cmyk(49.6%, 58%, 0%, 48.6%)
CIE-LAB	lab(28.19, 25.95, -41.40)
CIE-LCH	lch(28.19, 48.86, 302.08°)
OKLab	oklab(39.16% 0.0336 -0.1182)
OKLCH	oklch(39.16% 0.123 285.9)
XYZ	xyz(7.7085, 5.5290, 22.1294)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423783 #788337

analogous

#375283 #423783 #683783

triadic

#423783 #834237 #378342

tetradic

#423783 #833752 #788337 #378368

square

#423783 #833752 #788337 #378368

split-complementary

#423783 #836837 #528337

monochromatic

#17132D #2C2558 #423783 #5849AE #7D71C3

Accessibility & contrast

On white

9.97

#423783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#423783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423783

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423783	#FFFFFF	#000000	##FFFFFF
##423783	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074586

Deuteranopia (green-blind)

#044081

Tritanopia (blue-blind)

#2C4857

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #423783;
/* rgb */ color: rgb(66, 55, 131);
/* oklch */ color: oklch(39.2% 0.123 285.9);

Tailwind

colors: {
  custom: {
    50: '#7c6ea8',
    500: '#423783',
    950: '#000000',
  },
}

SCSS

$custom: #423783;
$custom-light: #7c6ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#423783",
  "rgb": {
    "r": 66,
    "g": 55,
    "b": 131
  },
  "hsl": {
    "h": 248.684,
    "s": 40.86,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39163,
    "c": 0.12285,
    "h": 285.9
  },
  "luminance": 0.05529
}

Semantic roles & 50–950 ramp

primary

#423783

secondary

#A2AC6A

accent

#D157BF

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #423783

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

Preview Lab → · Contrast checker → · Palette generator →