#423CC3#423CC3

#423CC3 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.5% C 0.202 H 276.7°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#423CC3
RGB	rgb(66, 60, 195)
HSL	hsl(243, 53%, 50%)
HSV	hsv(243, 69%, 76%)
CMYK	cmyk(66.2%, 69.2%, 0%, 23.5%)
CIE-LAB	lab(34.66, 43.86, -69.49)
CIE-LCH	lch(34.66, 82.18, 302.26°)
OKLab	oklab(45.52% 0.0236 -0.2006)
OKLCH	oklch(45.52% 0.202 276.7)
XYZ	xyz(13.7097, 8.3289, 52.5043)
Luminance	0.0833 (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

#423CC3 #BDC33C

analogous

#3C79C3 #423CC3 #863CC3

triadic

#423CC3 #C3423C #3CC342

tetradic

#423CC3 #C33C79 #BDC33C #3CC386

square

#423CC3 #C33C79 #BDC33C #3CC386

split-complementary

#423CC3 #C3863C #79C33C

monochromatic

#221F65 #322E94 #423CC3 #6F6BD1 #9D9AE0

Accessibility & contrast

On white

7.88

#423CC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#423CC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CC3

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CC3	#FFFFFF	#000000	##FFFFFF
##423CC3	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C7

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #423cc3;
/* rgb */ color: rgb(66, 60, 195);
/* oklch */ color: oklch(45.5% 0.202 276.7);

Tailwind

colors: {
  custom: {
    50: '#8773d6',
    500: '#423cc3',
    950: '#000000',
  },
}

SCSS

$custom: #423cc3;
$custom-light: #8773d6;
$custom-dark: #000000;

JSON

{
  "hex": "#423cc3",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 195
  },
  "hsl": {
    "h": 242.667,
    "s": 52.941,
    "l": 50
  },
  "oklch": {
    "l": 0.45524,
    "c": 0.20202,
    "h": 276.7
  },
  "luminance": 0.0833
}

Semantic roles & 50–950 ramp

primary

#423CC3

secondary

#C9CC8F

accent

#DC4BD6

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #423CC3

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

Preview Lab → · Contrast checker → · Palette generator →