#423DC4#423DC4

#423DC4 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.8% C 0.202 H 276.5°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#423DC4
RGB	rgb(66, 61, 196)
HSL	hsl(242, 53%, 50%)
HSV	hsv(242, 69%, 77%)
CMYK	cmyk(66.3%, 68.9%, 0%, 23.1%)
CIE-LAB	lab(34.96, 43.61, -69.58)
CIE-LCH	lch(34.96, 82.11, 302.08°)
OKLab	oklab(45.77% 0.0227 -0.2009)
OKLCH	oklch(45.77% 0.202 276.5)
XYZ	xyz(13.8761, 8.4801, 53.1194)
Luminance	0.0848 (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

#423DC4 #BFC43D

analogous

#3D7CC4 #423DC4 #853DC4

triadic

#423DC4 #C4423D #3DC442

tetradic

#423DC4 #C43D7C #BFC43D #3DC485

square

#423DC4 #C43D7C #BFC43D #3DC485

split-complementary

#423DC4 #C4853D #7CC43D

monochromatic

#221F67 #322E96 #423DC4 #706CD2 #9D9BE1

Accessibility & contrast

On white

7.79

#423DC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#423DC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DC4

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DC4	#FFFFFF	#000000	##FFFFFF
##423DC4	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C8

Deuteranopia (green-blind)

#004CC1

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423dc4;
/* rgb */ color: rgb(66, 61, 196);
/* oklch */ color: oklch(45.8% 0.202 276.5);

Tailwind

colors: {
  custom: {
    50: '#8774d7',
    500: '#423dc4',
    950: '#000000',
  },
}

SCSS

$custom: #423dc4;
$custom-light: #8774d7;
$custom-dark: #000000;

JSON

{
  "hex": "#423dc4",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 196
  },
  "hsl": {
    "h": 242.222,
    "s": 53.36,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45771,
    "c": 0.20217,
    "h": 276.5
  },
  "luminance": 0.08481
}

Semantic roles & 50–950 ramp

primary

#423DC4

secondary

#CACD90

accent

#DD4BD7

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423DC4

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

Preview Lab → · Contrast checker → · Palette generator →