#423C97#423C97

#423C97 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.144 H 281.1°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#423C97
RGB	rgb(66, 60, 151)
HSL	hsl(244, 43%, 41%)
HSV	hsv(244, 60%, 59%)
CMYK	cmyk(56.3%, 60.3%, 0%, 40.8%)
CIE-LAB	lab(30.93, 29.30, -49.30)
CIE-LCH	lch(30.93, 57.35, 300.73°)
OKLab	oklab(41.66% 0.0277 -0.1414)
OKLCH	oklch(41.66% 0.144 281.1)
XYZ	xyz(9.4468, 6.6237, 30.0529)
Luminance	0.0662 (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

#423C97 #91973C

analogous

#3C6497 #423C97 #703C97

triadic

#423C97 #97423C #3C9742

tetradic

#423C97 #973C64 #91973C #3C9770

square

#423C97 #973C64 #91973C #3C9770

split-complementary

#423C97 #97703C #64973C

monochromatic

#1C193F #2F2B6B #423C97 #5C55BB #8681CD

Accessibility & contrast

On white

9.03

#423C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#423C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423C97

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423C97	#FFFFFF	#000000	##FFFFFF
##423C97	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004595

Tritanopia (blue-blind)

#195263

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #423c97;
/* rgb */ color: rgb(66, 60, 151);
/* oklch */ color: oklch(41.7% 0.144 281.1);

Tailwind

colors: {
  custom: {
    50: '#7e72b6',
    500: '#423c97',
    950: '#000000',
  },
}

SCSS

$custom: #423c97;
$custom-light: #7e72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#423c97",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 151
  },
  "hsl": {
    "h": 243.956,
    "s": 43.128,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41662,
    "c": 0.14408,
    "h": 281.1
  },
  "luminance": 0.06624
}

Semantic roles & 50–950 ramp

primary

#423C97

secondary

#B3B778

accent

#D355CB

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #423C97

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

Preview Lab → · Contrast checker → · Palette generator →