#423598#423598

#423598 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.155 H 283.0°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#423598
RGB	rgb(66, 53, 152)
HSL	hsl(248, 48%, 40%)
HSV	hsv(248, 65%, 60%)
CMYK	cmyk(56.6%, 65.1%, 0%, 40.4%)
CIE-LAB	lab(29.34, 34.03, -52.50)
CIE-LCH	lch(29.34, 62.56, 302.95°)
OKLab	oklab(40.52% 0.0348 -0.1508)
OKLCH	oklch(40.52% 0.155 283)
XYZ	xyz(9.1856, 5.9709, 30.3681)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423598 #8B9835

analogous

#355998 #423598 #743598

triadic

#423598 #984235 #359842

tetradic

#423598 #983559 #8B9835 #359874

square

#423598 #983559 #8B9835 #359874

split-complementary

#423598 #987435 #599835

monochromatic

#1B153D #2E256B #423598 #5A4AC0 #8378D0

Accessibility & contrast

On white

9.57

#423598 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#423598 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423598

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423598	#FFFFFF	#000000	##FFFFFF
##423598	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489B

Deuteranopia (green-blind)

#004296

Tritanopia (blue-blind)

#194E61

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #423598;
/* rgb */ color: rgb(66, 53, 152);
/* oklch */ color: oklch(40.5% 0.155 283.0);

Tailwind

colors: {
  custom: {
    50: '#7f6db7',
    500: '#423598',
    950: '#000000',
  },
}

SCSS

$custom: #423598;
$custom-light: #7f6db7;
$custom-dark: #000000;

JSON

{
  "hex": "#423598",
  "rgb": {
    "r": 66,
    "g": 53,
    "b": 152
  },
  "hsl": {
    "h": 247.879,
    "s": 48.293,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40519,
    "c": 0.1548,
    "h": 283
  },
  "luminance": 0.05971
}

Semantic roles & 50–950 ramp

primary

#423598

secondary

#AFB870

accent

#D850C6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423598

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

Preview Lab → · Contrast checker → · Palette generator →