#423DCE#423DCE

#423DCE is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.7% C 0.215 H 275.7°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#423DCE
RGB	rgb(66, 61, 206)
HSL	hsl(242, 60%, 52%)
HSV	hsv(242, 70%, 81%)
CMYK	cmyk(68%, 70.4%, 0%, 19.2%)
CIE-LAB	lab(35.89, 46.86, -73.88)
CIE-LCH	lch(35.89, 87.48, 302.38°)
OKLab	oklab(46.72% 0.0212 -0.2135)
OKLCH	oklch(46.72% 0.215 275.7)
XYZ	xyz(15.0524, 8.9506, 59.3149)
Luminance	0.0895 (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

#423DCE #C9CE3D

analogous

#3D81CE #423DCE #8B3DCE

triadic

#423DCE #CE423D #3DCE42

tetradic

#423DCE #CE3D81 #C9CE3D #3DCE8B

square

#423DCE #CE3D81 #C9CE3D #3DCE8B

split-complementary

#423DCE #CE8B3D #81CE3D

monochromatic

#201D73 #2E29A4 #423DCE #726EDA #A19FE7

Accessibility & contrast

On white

7.53

#423DCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#423DCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DCE

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DCE	#FFFFFF	#000000	##FFFFFF
##423DCE	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD2

Deuteranopia (green-blind)

#004ECB

Tritanopia (blue-blind)

#006581

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423dce;
/* rgb */ color: rgb(66, 61, 206);
/* oklch */ color: oklch(46.7% 0.215 275.7);

Tailwind

colors: {
  custom: {
    50: '#8974de',
    500: '#423dce',
    950: '#000000',
  },
}

SCSS

$custom: #423dce;
$custom-light: #8974de;
$custom-dark: #000000;

JSON

{
  "hex": "#423dce",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 206
  },
  "hsl": {
    "h": 242.069,
    "s": 59.671,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46717,
    "c": 0.21451,
    "h": 275.7
  },
  "luminance": 0.08952
}

Semantic roles & 50–950 ramp

primary

#423DCE

secondary

#D1D394

accent

#E345DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423DCE

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

Preview Lab → · Contrast checker → · Palette generator →