#423697#423697

#423697 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.152 H 282.9°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#423697
RGB	rgb(66, 54, 151)
HSL	hsl(247, 47%, 40%)
HSV	hsv(247, 64%, 59%)
CMYK	cmyk(56.3%, 64.2%, 0%, 40.8%)
CIE-LAB	lab(29.49, 33.08, -51.65)
CIE-LCH	lch(29.49, 61.33, 302.64°)
OKLab	oklab(40.6% 0.0339 -0.1483)
OKLCH	oklch(40.6% 0.152 282.9)
XYZ	xyz(9.1501, 6.0304, 29.9540)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423697 #8B9736

analogous

#365A97 #423697 #733697

triadic

#423697 #974236 #369742

tetradic

#423697 #97365A #8B9736 #369773

square

#423697 #97365A #8B9736 #369773

split-complementary

#423697 #977336 #5A9736

monochromatic

#1B163D #2E266A #423697 #5A4BBF #8378CF

Accessibility & contrast

On white

9.52

#423697 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#423697 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423697

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423697	#FFFFFF	#000000	##FFFFFF
##423697	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#1A4E61

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #423697;
/* rgb */ color: rgb(66, 54, 151);
/* oklch */ color: oklch(40.6% 0.152 282.9);

Tailwind

colors: {
  custom: {
    50: '#7f6eb6',
    500: '#423697',
    950: '#000000',
  },
}

SCSS

$custom: #423697;
$custom-light: #7f6eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#423697",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 151
  },
  "hsl": {
    "h": 247.423,
    "s": 47.317,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40602,
    "c": 0.15214,
    "h": 282.9
  },
  "luminance": 0.06031
}

Semantic roles & 50–950 ramp

primary

#423697

secondary

#AFB871

accent

#D751C6

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423697

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

Preview Lab → · Contrast checker → · Palette generator →