#423A97#423A97

#423A97 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.147 H 281.7°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#423A97
RGB	rgb(66, 58, 151)
HSL	hsl(245, 44%, 41%)
HSV	hsv(245, 62%, 59%)
CMYK	cmyk(56.3%, 61.6%, 0%, 40.8%)
CIE-LAB	lab(30.44, 30.58, -50.09)
CIE-LCH	lch(30.44, 58.69, 301.40°)
OKLab	oklab(41.3% 0.0298 -0.1437)
OKLCH	oklch(41.3% 0.147 281.7)
XYZ	xyz(9.3440, 6.4181, 30.0186)
Luminance	0.0642 (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

#423A97 #8F973A

analogous

#3A6097 #423A97 #703A97

triadic

#423A97 #97423A #3A9742

tetradic

#423A97 #973A60 #8F973A #3A9770

square

#423A97 #973A60 #8F973A #3A9770

split-complementary

#423A97 #97703A #60973A

monochromatic

#1B183F #2F296B #423A97 #5B52BC #857ECD

Accessibility & contrast

On white

9.20

#423A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#423A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A97

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A97	#FFFFFF	#000000	##FFFFFF
##423A97	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#195063

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #423a97;
/* rgb */ color: rgb(66, 58, 151);
/* oklch */ color: oklch(41.3% 0.147 281.7);

Tailwind

colors: {
  custom: {
    50: '#7f70b6',
    500: '#423a97',
    950: '#000000',
  },
}

SCSS

$custom: #423a97;
$custom-light: #7f70b6;
$custom-dark: #000000;

JSON

{
  "hex": "#423a97",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 151
  },
  "hsl": {
    "h": 245.161,
    "s": 44.498,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41301,
    "c": 0.1468,
    "h": 281.7
  },
  "luminance": 0.06419
}

Semantic roles & 50–950 ramp

primary

#423A97

secondary

#B1B776

accent

#D454C9

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423A97

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

Preview Lab → · Contrast checker → · Palette generator →