#423DC1#423DC1

#423DC1 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.5% C 0.198 H 276.7°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#423DC1
RGB	rgb(66, 61, 193)
HSL	hsl(242, 52%, 50%)
HSV	hsv(242, 68%, 76%)
CMYK	cmyk(65.8%, 68.4%, 0%, 24.3%)
CIE-LAB	lab(34.69, 42.63, -68.27)
CIE-LCH	lch(34.69, 80.48, 301.98°)
OKLab	oklab(45.49% 0.0232 -0.1971)
OKLCH	oklch(45.49% 0.198 276.7)
XYZ	xyz(13.5380, 8.3448, 51.3390)
Luminance	0.0835 (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

#423DC1 #BCC13D

analogous

#3D7AC1 #423DC1 #843DC1

triadic

#423DC1 #C1423D #3DC142

tetradic

#423DC1 #C13D7A #BCC13D #3DC184

square

#423DC1 #C13D7A #BCC13D #3DC184

split-complementary

#423DC1 #C1843D #7AC13D

monochromatic

#222064 #322E92 #423DC1 #6F6BD0 #9C99DF

Accessibility & contrast

On white

7.87

#423DC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#423DC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DC1

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DC1	#FFFFFF	#000000	##FFFFFF
##423DC1	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C5

Deuteranopia (green-blind)

#004CBF

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #423dc1;
/* rgb */ color: rgb(66, 61, 193);
/* oklch */ color: oklch(45.5% 0.198 276.7);

Tailwind

colors: {
  custom: {
    50: '#8673d5',
    500: '#423dc1',
    950: '#000000',
  },
}

SCSS

$custom: #423dc1;
$custom-light: #8673d5;
$custom-dark: #000000;

JSON

{
  "hex": "#423dc1",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 193
  },
  "hsl": {
    "h": 242.273,
    "s": 51.969,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45492,
    "c": 0.19842,
    "h": 276.7
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary

#423DC1

secondary

#C9CB8F

accent

#DB4CD6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #423DC1

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

Preview Lab → · Contrast checker → · Palette generator →