#423EBD#423EBD

#423EBD is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.3% C 0.192 H 276.9°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#423EBD
RGB	rgb(66, 62, 189)
HSL	hsl(242, 51%, 49%)
HSV	hsv(242, 67%, 74%)
CMYK	cmyk(65.1%, 67.2%, 0%, 25.9%)
CIE-LAB	lab(34.55, 40.72, -66.15)
CIE-LCH	lch(34.55, 77.67, 301.61°)
OKLab	oklab(45.28% 0.0229 -0.1908)
OKLCH	oklch(45.28% 0.192 276.9)
XYZ	xyz(13.1517, 8.2765, 49.0387)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.26

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423EBD #B9BD3E

analogous

#3E7ABD #423EBD #823EBD

triadic

#423EBD #BD423E #3EBD42

tetradic

#423EBD #BD3E7A #B9BD3E #3EBD82

square

#423EBD #BD3E7A #B9BD3E #3EBD82

split-complementary

#423EBD #BD823E #7ABD3E

monochromatic

#222061 #322F8F #423EBD #6D6ACE #9A98DD

Accessibility & contrast

On white

7.91

#423EBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#423EBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EBD

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EBD	#FFFFFF	#000000	##FFFFFF
##423EBD	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C1

Deuteranopia (green-blind)

#004CBB

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #423ebd;
/* rgb */ color: rgb(66, 62, 189);
/* oklch */ color: oklch(45.3% 0.192 276.9);

Tailwind

colors: {
  custom: {
    50: '#8574d2',
    500: '#423ebd',
    950: '#000000',
  },
}

SCSS

$custom: #423ebd;
$custom-light: #8574d2;
$custom-dark: #000000;

JSON

{
  "hex": "#423ebd",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 189
  },
  "hsl": {
    "h": 241.89,
    "s": 50.598,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45282,
    "c": 0.19222,
    "h": 276.9
  },
  "luminance": 0.08278
}

Semantic roles & 50–950 ramp

primary

#423EBD

secondary

#C7C98E

accent

#DA4ED6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #423EBD

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

Preview Lab → · Contrast checker → · Palette generator →