#423D72#423D72

#423D72 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.2% C 0.088 H 285.9°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#423D72
RGB	rgb(66, 61, 114)
HSL	hsl(246, 30%, 34%)
HSV	hsv(246, 46%, 45%)
CMYK	cmyk(42.1%, 46.5%, 0%, 55.3%)
CIE-LAB	lab(28.67, 16.56, -29.94)
CIE-LCH	lch(28.67, 34.21, 298.95°)
OKLab	oklab(39.16% 0.0241 -0.0845)
OKLCH	oklch(39.16% 0.088 285.9)
XYZ	xyz(6.9519, 5.7104, 16.6523)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D72 #6D723D

analogous

#3D5372 #423D72 #5D3D72

triadic

#423D72 #72423D #3D7242

tetradic

#423D72 #723D53 #6D723D #3D725D

square

#423D72 #723D53 #6D723D #3D725D

split-complementary

#423D72 #725D3D #53723D

monochromatic

#141222 #2B284A #423D72 #59529A #7B75B5

Accessibility & contrast

On white

9.80

#423D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#423D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D72

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D72	#FFFFFF	#000000	##FFFFFF
##423D72	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4574

Deuteranopia (green-blind)

#294271

Tritanopia (blue-blind)

#344852

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423d72;
/* rgb */ color: rgb(66, 61, 114);
/* oklch */ color: oklch(39.2% 0.088 285.9);

Tailwind

colors: {
  custom: {
    50: '#79729b',
    500: '#423d72',
    950: '#000000',
  },
}

SCSS

$custom: #423d72;
$custom-light: #79729b;
$custom-dark: #000000;

JSON

{
  "hex": "#423d72",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 114
  },
  "hsl": {
    "h": 245.66,
    "s": 30.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39161,
    "c": 0.08788,
    "h": 285.9
  },
  "luminance": 0.05711
}

Semantic roles & 50–950 ramp

primary

#423D72

secondary

#9A9F6C

accent

#C761BD

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #423D72

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

Preview Lab → · Contrast checker → · Palette generator →