#423DD2#423DD2

#423DD2 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.1% C 0.219 H 275.4°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#423DD2
RGB	rgb(66, 61, 210)
HSL	hsl(242, 62%, 53%)
HSV	hsv(242, 71%, 82%)
CMYK	cmyk(68.6%, 71%, 0%, 17.6%)
CIE-LAB	lab(36.27, 48.15, -75.57)
CIE-LCH	lch(36.27, 89.61, 302.50°)
OKLab	oklab(47.1% 0.0206 -0.2184)
OKLCH	oklch(47.1% 0.219 275.4)
XYZ	xyz(15.5445, 9.1474, 61.9067)
Luminance	0.0915 (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

#423DD2 #CDD23D

analogous

#3D83D2 #423DD2 #8C3DD2

triadic

#423DD2 #D2423D #3DD242

tetradic

#423DD2 #D23D83 #CDD23D #3DD28C

square

#423DD2 #D23D83 #CDD23D #3DD28C

split-complementary

#423DD2 #D28C3D #83D23D

monochromatic

#1F1C79 #2C28AA #423DD2 #726FDE #A3A0E9

Accessibility & contrast

On white

7.42

#423DD2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#423DD2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DD2

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DD2	#FFFFFF	#000000	##FFFFFF
##423DD2	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD6

Deuteranopia (green-blind)

#004FCF

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #423dd2;
/* rgb */ color: rgb(66, 61, 210);
/* oklch */ color: oklch(47.1% 0.219 275.4);

Tailwind

colors: {
  custom: {
    50: '#8a74e1',
    500: '#423dd2',
    950: '#000000',
  },
}

SCSS

$custom: #423dd2;
$custom-light: #8a74e1;
$custom-dark: #000000;

JSON

{
  "hex": "#423dd2",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 210
  },
  "hsl": {
    "h": 242.013,
    "s": 62.343,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47101,
    "c": 0.21938,
    "h": 275.4
  },
  "luminance": 0.09149
}

Semantic roles & 50–950 ramp

primary

#423DD2

secondary

#D3D695

accent

#E542E0

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #423DD2

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

Preview Lab → · Contrast checker → · Palette generator →