#423DC6#423DC6

#423DC6 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.0% C 0.205 H 276.3°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#423DC6
RGB	rgb(66, 61, 198)
HSL	hsl(242, 55%, 51%)
HSV	hsv(242, 69%, 78%)
CMYK	cmyk(66.7%, 69.2%, 0%, 22.4%)
CIE-LAB	lab(35.15, 44.26, -70.44)
CIE-LCH	lch(35.15, 83.20, 302.14°)
OKLab	oklab(45.96% 0.0225 -0.2034)
OKLCH	oklch(45.96% 0.205 276.3)
XYZ	xyz(14.1052, 8.5717, 54.3263)
Luminance	0.0857 (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

#423DC6 #C1C63D

analogous

#3D7CC6 #423DC6 #863DC6

triadic

#423DC6 #C6423D #3DC642

tetradic

#423DC6 #C63D7C #C1C63D #3DC686

square

#423DC6 #C63D7C #C1C63D #3DC686

split-complementary

#423DC6 #C6863D #7CC63D

monochromatic

#221F6A #312D99 #423DC6 #706CD4 #9E9CE2

Accessibility & contrast

On white

7.74

#423DC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#423DC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DC6

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DC6	#FFFFFF	#000000	##FFFFFF
##423DC6	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CA

Deuteranopia (green-blind)

#004DC3

Tritanopia (blue-blind)

#00627D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #423dc6;
/* rgb */ color: rgb(66, 61, 198);
/* oklch */ color: oklch(46.0% 0.205 276.3);

Tailwind

colors: {
  custom: {
    50: '#8774d8',
    500: '#423dc6',
    950: '#000000',
  },
}

SCSS

$custom: #423dc6;
$custom-light: #8774d8;
$custom-dark: #000000;

JSON

{
  "hex": "#423dc6",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 198
  },
  "hsl": {
    "h": 242.19,
    "s": 54.582,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45958,
    "c": 0.20467,
    "h": 276.3
  },
  "luminance": 0.08573
}

Semantic roles & 50–950 ramp

primary

#423DC6

secondary

#CCCE91

accent

#DE4AD9

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423DC6

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

Preview Lab → · Contrast checker → · Palette generator →