#423689#423689

#423689 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.133 H 285.1°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#423689
RGB	rgb(66, 54, 137)
HSL	hsl(249, 43%, 37%)
HSV	hsv(249, 61%, 54%)
CMYK	cmyk(51.8%, 60.6%, 0%, 46.3%)
CIE-LAB	lab(28.39, 28.53, -44.82)
CIE-LCH	lch(28.39, 53.13, 302.48°)
OKLab	oklab(39.45% 0.0347 -0.1282)
OKLCH	oklch(39.45% 0.133 285.1)
XYZ	xyz(8.0799, 5.6023, 24.3177)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423689 #7D8936

analogous

#365389 #423689 #6C3689

triadic

#423689 #894236 #368942

tetradic

#423689 #893653 #7D8936 #36896C

square

#423689 #893653 #7D8936 #36896C

split-complementary

#423689 #896C36 #538936

monochromatic

#181331 #2D255D #423689 #5747B5 #7E72C7

Accessibility & contrast

On white

9.90

#423689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#423689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423689

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423689	#FFFFFF	#000000	##FFFFFF
##423689	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#004087

Tritanopia (blue-blind)

#28495A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #423689;
/* rgb */ color: rgb(66, 54, 137);
/* oklch */ color: oklch(39.4% 0.133 285.1);

Tailwind

colors: {
  custom: {
    50: '#7d6dac',
    500: '#423689',
    950: '#000000',
  },
}

SCSS

$custom: #423689;
$custom-light: #7d6dac;
$custom-dark: #000000;

JSON

{
  "hex": "#423689",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 137
  },
  "hsl": {
    "h": 248.675,
    "s": 43.455,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39448,
    "c": 0.13285,
    "h": 285.1
  },
  "luminance": 0.05603
}

Semantic roles & 50–950 ramp

primary

#423689

secondary

#A6B06B

accent

#D355C1

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #423689

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

Preview Lab → · Contrast checker → · Palette generator →