#423AA2#423AA2

#423AA2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.162 H 280.4°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#423AA2
RGB	rgb(66, 58, 162)
HSL	hsl(245, 47%, 43%)
HSV	hsv(245, 64%, 64%)
CMYK	cmyk(59.3%, 64.2%, 0%, 36.5%)
CIE-LAB	lab(31.33, 34.22, -55.33)
CIE-LCH	lch(31.33, 65.05, 301.73°)
OKLab	oklab(42.23% 0.0291 -0.1591)
OKLCH	oklch(42.23% 0.162 280.4)
XYZ	xyz(10.2794, 6.7923, 34.9448)
Luminance	0.0679 (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

#423AA2 #9AA23A

analogous

#3A66A2 #423AA2 #763AA2

triadic

#423AA2 #A2423A #3AA242

tetradic

#423AA2 #A23A66 #9AA23A #3AA276

square

#423AA2 #A23A66 #9AA23A #3AA276

split-complementary

#423AA2 #A2763A #66A23A

monochromatic

#1D1A48 #302A75 #423AA2 #5F57C3 #8A84D3

Accessibility & contrast

On white

8.90

#423AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#423AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423AA2

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423AA2	#FFFFFF	#000000	##FFFFFF
##423AA2	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0046A0

Tritanopia (blue-blind)

#025468

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #423aa2;
/* rgb */ color: rgb(66, 58, 162);
/* oklch */ color: oklch(42.2% 0.162 280.4);

Tailwind

colors: {
  custom: {
    50: '#8071be',
    500: '#423aa2',
    950: '#000000',
  },
}

SCSS

$custom: #423aa2;
$custom-light: #8071be;
$custom-dark: #000000;

JSON

{
  "hex": "#423aa2",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 162
  },
  "hsl": {
    "h": 244.615,
    "s": 47.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42226,
    "c": 0.16177,
    "h": 280.4
  },
  "luminance": 0.06793
}

Semantic roles & 50–950 ramp

primary

#423AA2

secondary

#B8BD7B

accent

#D751CD

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #423AA2

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

Preview Lab → · Contrast checker → · Palette generator →