#423DC3#423DC3

#423DC3 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.7% C 0.201 H 276.5°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#423DC3
RGB	rgb(66, 61, 195)
HSL	hsl(242, 53%, 50%)
HSV	hsv(242, 69%, 76%)
CMYK	cmyk(66.2%, 68.7%, 0%, 23.5%)
CIE-LAB	lab(34.87, 43.28, -69.14)
CIE-LCH	lch(34.87, 81.57, 302.05°)
OKLab	oklab(45.68% 0.0229 -0.1996)
OKLCH	oklch(45.68% 0.201 276.5)
XYZ	xyz(13.7626, 8.4347, 52.5220)
Luminance	0.0844 (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

#423DC3 #BEC33D

analogous

#3D7BC3 #423DC3 #853DC3

triadic

#423DC3 #C3423D #3DC342

tetradic

#423DC3 #C33D7B #BEC33D #3DC385

square

#423DC3 #C33D7B #BEC33D #3DC385

split-complementary

#423DC3 #C3853D #7BC33D

monochromatic

#222066 #322E95 #423DC3 #706CD1 #9D9AE0

Accessibility & contrast

On white

7.81

#423DC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#423DC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DC3

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DC3	#FFFFFF	#000000	##FFFFFF
##423DC3	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C7

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423dc3;
/* rgb */ color: rgb(66, 61, 195);
/* oklch */ color: oklch(45.7% 0.201 276.5);

Tailwind

colors: {
  custom: {
    50: '#8774d6',
    500: '#423dc3',
    950: '#000000',
  },
}

SCSS

$custom: #423dc3;
$custom-light: #8774d6;
$custom-dark: #000000;

JSON

{
  "hex": "#423dc3",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 195
  },
  "hsl": {
    "h": 242.239,
    "s": 52.756,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45678,
    "c": 0.20093,
    "h": 276.5
  },
  "luminance": 0.08436
}

Semantic roles & 50–950 ramp

primary

#423DC3

secondary

#CACC90

accent

#DC4CD7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423DC3

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

Preview Lab → · Contrast checker → · Palette generator →