#423B97#423B97

#423B97 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.145 H 281.4°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#423B97
RGB	rgb(66, 59, 151)
HSL	hsl(245, 44%, 41%)
HSV	hsv(245, 61%, 59%)
CMYK	cmyk(56.3%, 60.9%, 0%, 40.8%)
CIE-LAB	lab(30.69, 29.94, -49.70)
CIE-LCH	lch(30.69, 58.02, 301.07°)
OKLab	oklab(41.48% 0.0288 -0.1426)
OKLCH	oklch(41.48% 0.145 281.4)
XYZ	xyz(9.3949, 6.5200, 30.0356)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B97 #90973B

analogous

#3B6297 #423B97 #703B97

triadic

#423B97 #97423B #3B9742

tetradic

#423B97 #973B62 #90973B #3B9770

square

#423B97 #973B62 #90973B #3B9770

split-complementary

#423B97 #97703B #62973B

monochromatic

#1C193F #2F2A6B #423B97 #5B53BC #857FCD

Accessibility & contrast

On white

9.11

#423B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#423B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B97

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B97	#FFFFFF	#000000	##FFFFFF
##423B97	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004595

Tritanopia (blue-blind)

#195163

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #423b97;
/* rgb */ color: rgb(66, 59, 151);
/* oklch */ color: oklch(41.5% 0.145 281.4);

Tailwind

colors: {
  custom: {
    50: '#7e71b6',
    500: '#423b97',
    950: '#000000',
  },
}

SCSS

$custom: #423b97;
$custom-light: #7e71b6;
$custom-dark: #000000;

JSON

{
  "hex": "#423b97",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 244.565,
    "s": 43.81,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41481,
    "c": 0.14544,
    "h": 281.4
  },
  "luminance": 0.06521
}

Semantic roles & 50–950 ramp

primary

#423B97

secondary

#B2B777

accent

#D454CA

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423B97

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

Preview Lab → · Contrast checker → · Palette generator →