#423E98#423E98

#423E98 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.143 H 280.3°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#423E98
RGB	rgb(66, 62, 152)
HSL	hsl(243, 42%, 42%)
HSV	hsv(243, 59%, 60%)
CMYK	cmyk(56.6%, 59.2%, 0%, 40.4%)
CIE-LAB	lab(31.51, 28.36, -48.97)
CIE-LCH	lch(31.51, 56.59, 300.07°)
OKLab	oklab(42.11% 0.0256 -0.1404)
OKLCH	oklch(42.11% 0.143 280.3)
XYZ	xyz(9.6351, 6.8699, 30.5180)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423E98 #94983E

analogous

#3E6798 #423E98 #6F3E98

triadic

#423E98 #98423E #3E9842

tetradic

#423E98 #983E67 #94983E #3E986F

square

#423E98 #983E67 #94983E #3E986F

split-complementary

#423E98 #986F3E #67983E

monochromatic

#1C1B41 #2F2C6D #423E98 #5D58BB #8784CD

Accessibility & contrast

On white

8.85

#423E98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#423E98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423E98

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423E98	#FFFFFF	#000000	##FFFFFF
##423E98	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9B

Deuteranopia (green-blind)

#004796

Tritanopia (blue-blind)

#175365

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #423e98;
/* rgb */ color: rgb(66, 62, 152);
/* oklch */ color: oklch(42.1% 0.143 280.3);

Tailwind

colors: {
  custom: {
    50: '#7e73b7',
    500: '#423e98',
    950: '#000000',
  },
}

SCSS

$custom: #423e98;
$custom-light: #7e73b7;
$custom-dark: #000000;

JSON

{
  "hex": "#423e98",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 152
  },
  "hsl": {
    "h": 242.667,
    "s": 42.056,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4211,
    "c": 0.14274,
    "h": 280.3
  },
  "luminance": 0.0687
}

Semantic roles & 50–950 ramp

primary

#423E98

secondary

#B4B77B

accent

#D256CC

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #423E98

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

Preview Lab → · Contrast checker → · Palette generator →