#423797#423797

#423797 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.8% C 0.151 H 282.6°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#423797
RGB	rgb(66, 55, 151)
HSL	hsl(247, 47%, 40%)
HSV	hsv(247, 64%, 59%)
CMYK	cmyk(56.3%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(29.72, 32.46, -51.26)
CIE-LCH	lch(29.72, 60.68, 302.34°)
OKLab	oklab(40.77% 0.0329 -0.1472)
OKLCH	oklch(40.77% 0.151 282.6)
XYZ	xyz(9.1972, 6.1244, 29.9697)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423797 #8C9737

analogous

#375C97 #423797 #723797

triadic

#423797 #974237 #379742

tetradic

#423797 #97375C #8C9737 #379772

square

#423797 #97375C #8C9737 #379772

split-complementary

#423797 #977237 #5C9737

monochromatic

#1B163D #2E276A #423797 #5A4DBE #847ACF

Accessibility & contrast

On white

9.44

#423797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#423797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423797

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423797	#FFFFFF	#000000	##FFFFFF
##423797	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004395

Tritanopia (blue-blind)

#1A4E61

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #423797;
/* rgb */ color: rgb(66, 55, 151);
/* oklch */ color: oklch(40.8% 0.151 282.6);

Tailwind

colors: {
  custom: {
    50: '#7f6eb6',
    500: '#423797',
    950: '#000000',
  },
}

SCSS

$custom: #423797;
$custom-light: #7f6eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#423797",
  "rgb": {
    "r": 66,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 246.875,
    "s": 46.602,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40774,
    "c": 0.15082,
    "h": 282.6
  },
  "luminance": 0.06125
}

Semantic roles & 50–950 ramp

primary

#423797

secondary

#B0B872

accent

#D652C7

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423797

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

Preview Lab → · Contrast checker → · Palette generator →