#423D73#423D73

#423D73 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.2% C 0.089 H 285.7°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#423D73
RGB	rgb(66, 61, 115)
HSL	hsl(246, 31%, 35%)
HSV	hsv(246, 47%, 45%)
CMYK	cmyk(42.6%, 47%, 0%, 54.9%)
CIE-LAB	lab(28.73, 16.88, -30.48)
CIE-LCH	lch(28.73, 34.84, 298.97°)
OKLab	oklab(39.23% 0.0242 -0.0861)
OKLCH	oklch(39.23% 0.089 285.7)
XYZ	xyz(7.0091, 5.7333, 16.9537)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D73 #6E733D

analogous

#3D5373 #423D73 #5D3D73

triadic

#423D73 #73423D #3D7342

tetradic

#423D73 #733D53 #6E733D #3D735D

square

#423D73 #733D53 #6E733D #3D735D

split-complementary

#423D73 #735D3D #53733D

monochromatic

#141323 #2B284B #423D73 #59529B #7B75B6

Accessibility & contrast

On white

9.78

#423D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#423D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D73

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D73	#FFFFFF	#000000	##FFFFFF
##423D73	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294575

Deuteranopia (green-blind)

#284272

Tritanopia (blue-blind)

#344852

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423d73;
/* rgb */ color: rgb(66, 61, 115);
/* oklch */ color: oklch(39.2% 0.089 285.7);

Tailwind

colors: {
  custom: {
    50: '#79729b',
    500: '#423d73',
    950: '#000000',
  },
}

SCSS

$custom: #423d73;
$custom-light: #79729b;
$custom-dark: #000000;

JSON

{
  "hex": "#423d73",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 245.556,
    "s": 30.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39226,
    "c": 0.08943,
    "h": 285.7
  },
  "luminance": 0.05734
}

Semantic roles & 50–950 ramp

primary

#423D73

secondary

#9BA06C

accent

#C761BD

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #423D73

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

Preview Lab → · Contrast checker → · Palette generator →