#423E97#423E97

#423E97 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.141 H 280.4°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#423E97
RGB	rgb(66, 62, 151)
HSL	hsl(243, 42%, 42%)
HSV	hsv(243, 59%, 59%)
CMYK	cmyk(56.3%, 58.9%, 0%, 40.8%)
CIE-LAB	lab(31.43, 28.02, -48.49)
CIE-LCH	lch(31.43, 56.00, 300.02°)
OKLab	oklab(42.03% 0.0256 -0.139)
OKLCH	oklch(42.03% 0.141 280.4)
XYZ	xyz(9.5536, 6.8373, 30.0885)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423E97 #93973E

analogous

#3E6797 #423E97 #6F3E97

triadic

#423E97 #97423E #3E9742

tetradic

#423E97 #973E67 #93973E #3E976F

square

#423E97 #973E67 #93973E #3E976F

split-complementary

#423E97 #976F3E #67973E

monochromatic

#1C1A40 #2F2C6C #423E97 #5C58BA #8783CC

Accessibility & contrast

On white

8.87

#423E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#423E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423E97

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423E97	#FFFFFF	#000000	##FFFFFF
##423E97	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004795

Tritanopia (blue-blind)

#185364

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #423e97;
/* rgb */ color: rgb(66, 62, 151);
/* oklch */ color: oklch(42.0% 0.141 280.4);

Tailwind

colors: {
  custom: {
    50: '#7e73b6',
    500: '#423e97',
    950: '#000000',
  },
}

SCSS

$custom: #423e97;
$custom-light: #7e73b6;
$custom-dark: #000000;

JSON

{
  "hex": "#423e97",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 151
  },
  "hsl": {
    "h": 242.697,
    "s": 41.784,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42031,
    "c": 0.14133,
    "h": 280.4
  },
  "luminance": 0.06838
}

Semantic roles & 50–950 ramp

primary

#423E97

secondary

#B4B67A

accent

#D256CC

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #423E97

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

Preview Lab → · Contrast checker → · Palette generator →