#423CCE#423CCE

#423CCE is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.6% C 0.216 H 275.8°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#423CCE
RGB	rgb(66, 60, 206)
HSL	hsl(242, 60%, 52%)
HSV	hsv(242, 71%, 81%)
CMYK	cmyk(68%, 70.9%, 0%, 19.2%)
CIE-LAB	lab(35.68, 47.42, -74.22)
CIE-LCH	lch(35.68, 88.07, 302.58°)
OKLab	oklab(46.57% 0.0219 -0.2144)
OKLCH	oklch(46.57% 0.216 275.8)
XYZ	xyz(14.9995, 8.8448, 59.2973)
Luminance	0.0885 (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

#423CCE #C8CE3C

analogous

#3C7FCE #423CCE #8B3CCE

triadic

#423CCE #CE423C #3CCE42

tetradic

#423CCE #CE3C7F #C8CE3C #3CCE8B

square

#423CCE #CE3C7F #C8CE3C #3CCE8B

split-complementary

#423CCE #CE8B3C #7FCE3C

monochromatic

#201D73 #2E29A4 #423CCE #716DDA #A19EE7

Accessibility & contrast

On white

7.58

#423CCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#423CCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CCE

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CCE	#FFFFFF	#000000	##FFFFFF
##423CCE	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD2

Deuteranopia (green-blind)

#004DCB

Tritanopia (blue-blind)

#006581

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423cce;
/* rgb */ color: rgb(66, 60, 206);
/* oklch */ color: oklch(46.6% 0.216 275.8);

Tailwind

colors: {
  custom: {
    50: '#8973de',
    500: '#423cce',
    950: '#000000',
  },
}

SCSS

$custom: #423cce;
$custom-light: #8973de;
$custom-dark: #000000;

JSON

{
  "hex": "#423cce",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 206
  },
  "hsl": {
    "h": 242.466,
    "s": 59.836,
    "l": 52.157
  },
  "oklch": {
    "l": 0.4657,
    "c": 0.21556,
    "h": 275.8
  },
  "luminance": 0.08846
}

Semantic roles & 50–950 ramp

primary

#423CCE

secondary

#D0D393

accent

#E345DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423CCE

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

Preview Lab → · Contrast checker → · Palette generator →