#423DCD#423DCD

#423DCD is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.6% C 0.213 H 275.8°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#423DCD
RGB	rgb(66, 61, 205)
HSL	hsl(242, 59%, 52%)
HSV	hsv(242, 70%, 80%)
CMYK	cmyk(67.8%, 70.2%, 0%, 19.6%)
CIE-LAB	lab(35.80, 46.53, -73.45)
CIE-LCH	lch(35.80, 86.95, 302.35°)
OKLab	oklab(46.62% 0.0214 -0.2122)
OKLCH	oklch(46.62% 0.213 275.8)
XYZ	xyz(14.9313, 8.9022, 58.6772)
Luminance	0.0890 (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

#423DCD #C8CD3D

analogous

#3D80CD #423DCD #8A3DCD

triadic

#423DCD #CD423D #3DCD42

tetradic

#423DCD #CD3D80 #C8CD3D #3DCD8A

square

#423DCD #CD3D80 #C8CD3D #3DCD8A

split-complementary

#423DCD #CD8A3D #80CD3D

monochromatic

#201D72 #2E2AA3 #423DCD #716EDA #A19EE6

Accessibility & contrast

On white

7.55

#423DCD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#423DCD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DCD

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DCD	#FFFFFF	#000000	##FFFFFF
##423DCD	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD1

Deuteranopia (green-blind)

#004ECA

Tritanopia (blue-blind)

#006581

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423dcd;
/* rgb */ color: rgb(66, 61, 205);
/* oklch */ color: oklch(46.6% 0.213 275.8);

Tailwind

colors: {
  custom: {
    50: '#8974dd',
    500: '#423dcd',
    950: '#000000',
  },
}

SCSS

$custom: #423dcd;
$custom-light: #8974dd;
$custom-dark: #000000;

JSON

{
  "hex": "#423dcd",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 205
  },
  "hsl": {
    "h": 242.083,
    "s": 59.016,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46621,
    "c": 0.2133,
    "h": 275.8
  },
  "luminance": 0.08904
}

Semantic roles & 50–950 ramp

primary

#423DCD

secondary

#D0D293

accent

#E246DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423DCD

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

Preview Lab → · Contrast checker → · Palette generator →