#423DCA#423DCA

#423DCA is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.3% C 0.210 H 276.0°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX#423DCA
RGBrgb(66, 61, 202)
HSLhsl(242, 57%, 52%)
HSVhsv(242, 70%, 79%)
CMYKcmyk(67.3%, 69.8%, 0%, 20.8%)
CIE-LABlab(35.52, 45.56, -72.17)
CIE-LCHlch(35.52, 85.35, 302.26°)
OKLaboklab(46.34% 0.0219 -0.2085)
OKLCHoklch(46.34% 0.21 276)
XYZxyz(14.5727, 8.7587, 56.7883)
Luminance0.0876 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423DCA #C5CA3D
analogous
#3D7FCA #423DCA #893DCA
triadic
#423DCA #CA423D #3DCA42
tetradic
#423DCA #CA3D7F #C5CA3D #3DCA89
square
#423DCA #CA3D7F #C5CA3D #3DCA89
split-complementary
#423DCA #CA893D #7FCA3D
monochromatic
#211E6E #2F2B9F #423DCA #716DD7 #A09DE4

Accessibility & contrast

On white

7.63
#423DCA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#423DCA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DCA
7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423DCA#FFFFFF#000000##FFFFFF
##423DCA1.007.632.757.63
#FFFFFF7.631.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ACE
Deuteranopia (green-blind)
#004DC7
Tritanopia (blue-blind)
#00647F
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #423dca;
/* rgb */ color: rgb(66, 61, 202);
/* oklch */ color: oklch(46.3% 0.210 276.0);
Tailwind
colors: {
  custom: {
    50: '#8874db',
    500: '#423dca',
    950: '#000000',
  },
}
SCSS
$custom: #423dca;
$custom-light: #8874db;
$custom-dark: #000000;
JSON
{
  "hex": "#423dca",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 202
  },
  "hsl": {
    "h": 242.128,
    "s": 57.085,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46336,
    "c": 0.20961,
    "h": 276
  },
  "luminance": 0.0876
}

Semantic roles & 50–950 ramp

primary
#423DCA
secondary
#CED092
accent
#E047DB
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #423DCA

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

Preview Lab → · Contrast checker → · Palette generator →

#423DCA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva