#423EBE#423EBE

#423EBE is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.4% C 0.193 H 276.8°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#423EBE
RGB	rgb(66, 62, 190)
HSL	hsl(242, 51%, 49%)
HSV	hsv(242, 67%, 75%)
CMYK	cmyk(65.3%, 67.4%, 0%, 25.5%)
CIE-LAB	lab(34.64, 41.05, -66.59)
CIE-LCH	lch(34.64, 78.22, 301.65°)
OKLab	oklab(45.37% 0.0228 -0.1921)
OKLCH	oklch(45.37% 0.193 276.8)
XYZ	xyz(13.2606, 8.3201, 49.6123)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.32

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423EBE #BABE3E

analogous

#3E7ABE #423EBE #823EBE

triadic

#423EBE #BE423E #3EBE42

tetradic

#423EBE #BE3E7A #BABE3E #3EBE82

square

#423EBE #BE3E7A #BABE3E #3EBE82

split-complementary

#423EBE #BE823E #7ABE3E

monochromatic

#222062 #322F90 #423EBE #6E6BCF #9B99DE

Accessibility & contrast

On white

7.88

#423EBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#423EBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EBE

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EBE	#FFFFFF	#000000	##FFFFFF
##423EBE	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C2

Deuteranopia (green-blind)

#004CBC

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #423ebe;
/* rgb */ color: rgb(66, 62, 190);
/* oklch */ color: oklch(45.4% 0.193 276.8);

Tailwind

colors: {
  custom: {
    50: '#8574d3',
    500: '#423ebe',
    950: '#000000',
  },
}

SCSS

$custom: #423ebe;
$custom-light: #8574d3;
$custom-dark: #000000;

JSON

{
  "hex": "#423ebe",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 190
  },
  "hsl": {
    "h": 241.875,
    "s": 50.794,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45373,
    "c": 0.19349,
    "h": 276.8
  },
  "luminance": 0.08321
}

Semantic roles & 50–950 ramp

primary

#423EBE

secondary

#C8C98E

accent

#DA4ED6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #423EBE

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

Preview Lab → · Contrast checker → · Palette generator →