#423BD2#423BD2

#423BD2 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.8% C 0.221 H 275.6°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#423BD2
RGB	rgb(66, 59, 210)
HSL	hsl(243, 63%, 53%)
HSV	hsv(243, 72%, 82%)
CMYK	cmyk(68.6%, 71.9%, 0%, 17.6%)
CIE-LAB	lab(35.86, 49.26, -76.23)
CIE-LCH	lch(35.86, 90.77, 302.87°)
OKLab	oklab(46.81% 0.0218 -0.2203)
OKLCH	oklch(46.81% 0.221 275.6)
XYZ	xyz(15.4398, 8.9379, 61.8718)
Luminance	0.0894 (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

#423BD2 #CBD23B

analogous

#3B80D2 #423BD2 #8D3BD2

triadic

#423BD2 #D2423B #3BD242

tetradic

#423BD2 #D23B80 #CBD23B #3BD28D

square

#423BD2 #D23B80 #CBD23B #3BD28D

split-complementary

#423BD2 #D28D3B #80D23B

monochromatic

#201B77 #2D27A9 #423BD2 #726DDD #A29FE9

Accessibility & contrast

On white

7.53

#423BD2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#423BD2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BD2

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BD2	#FFFFFF	#000000	##FFFFFF
##423BD2	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD6

Deuteranopia (green-blind)

#004ECF

Tritanopia (blue-blind)

#006683

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423bd2;
/* rgb */ color: rgb(66, 59, 210);
/* oklch */ color: oklch(46.8% 0.221 275.6);

Tailwind

colors: {
  custom: {
    50: '#8a73e1',
    500: '#423bd2',
    950: '#000000',
  },
}

SCSS

$custom: #423bd2;
$custom-light: #8a73e1;
$custom-dark: #000000;

JSON

{
  "hex": "#423bd2",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 210
  },
  "hsl": {
    "h": 242.781,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46814,
    "c": 0.2214,
    "h": 275.6
  },
  "luminance": 0.08939
}

Semantic roles & 50–950 ramp

primary

#423BD2

secondary

#D2D594

accent

#E642DE

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #423BD2

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

Preview Lab → · Contrast checker → · Palette generator →