#423BC2#423BC2

#423BC2 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.3% C 0.202 H 276.9°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#423BC2
RGB	rgb(66, 59, 194)
HSL	hsl(243, 53%, 50%)
HSV	hsv(243, 70%, 76%)
CMYK	cmyk(66%, 69.6%, 0%, 23.9%)
CIE-LAB	lab(34.36, 44.12, -69.40)
CIE-LCH	lch(34.36, 82.24, 302.44°)
OKLab	oklab(45.28% 0.0244 -0.2004)
OKLCH	oklch(45.28% 0.202 276.9)
XYZ	xyz(13.5452, 8.1801, 51.8936)
Luminance	0.0818 (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

#423BC2 #BBC23B

analogous

#3B78C2 #423BC2 #863BC2

triadic

#423BC2 #C2423B #3BC242

tetradic

#423BC2 #C23B78 #BBC23B #3BC286

square

#423BC2 #C23B78 #BBC23B #3BC286

split-complementary

#423BC2 #C2863B #78C23B

monochromatic

#221E64 #322D93 #423BC2 #6E69D1 #9C98E0

Accessibility & contrast

On white

7.97

#423BC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#423BC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BC2

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BC2	#FFFFFF	#000000	##FFFFFF
##423BC2	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C6

Deuteranopia (green-blind)

#004BBF

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #423bc2;
/* rgb */ color: rgb(66, 59, 194);
/* oklch */ color: oklch(45.3% 0.202 276.9);

Tailwind

colors: {
  custom: {
    50: '#8672d6',
    500: '#423bc2',
    950: '#000000',
  },
}

SCSS

$custom: #423bc2;
$custom-light: #8672d6;
$custom-dark: #000000;

JSON

{
  "hex": "#423bc2",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 194
  },
  "hsl": {
    "h": 243.111,
    "s": 53.36,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45278,
    "c": 0.20186,
    "h": 276.9
  },
  "luminance": 0.08181
}

Semantic roles & 50–950 ramp

primary

#423BC2

secondary

#C8CB8E

accent

#DD4BD5

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423BC2

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

Preview Lab → · Contrast checker → · Palette generator →