#423CC4#423CC4

#423CC4 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.6% C 0.203 H 276.6°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#423CC4
RGBrgb(66, 60, 196)
HSLhsl(243, 54%, 50%)
HSVhsv(243, 69%, 77%)
CMYKcmyk(66.3%, 69.4%, 0%, 23.1%)
CIE-LABlab(34.75, 44.19, -69.93)
CIE-LCHlch(34.75, 82.72, 302.29°)
OKLaboklab(45.62% 0.0234 -0.2019)
OKLCHoklch(45.62% 0.203 276.6)
XYZxyz(13.8232, 8.3743, 53.1018)
Luminance0.0838 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423CC4 #BEC43C
analogous
#3C7AC4 #423CC4 #863CC4
triadic
#423CC4 #C4423C #3CC442
tetradic
#423CC4 #C43C7A #BEC43C #3CC486
square
#423CC4 #C43C7A #BEC43C #3CC486
split-complementary
#423CC4 #C4863C #7AC43C
monochromatic
#221F67 #322D96 #423CC4 #706BD2 #9D9AE0

Accessibility & contrast

On white

7.85
#423CC4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#423CC4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CC4
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423CC4#FFFFFF#000000##FFFFFF
##423CC41.007.852.687.85
#FFFFFF7.851.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058C8
Deuteranopia (green-blind)
#004CC1
Tritanopia (blue-blind)
#00617B
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #423cc4;
/* rgb */ color: rgb(66, 60, 196);
/* oklch */ color: oklch(45.6% 0.203 276.6);
Tailwind
colors: {
  custom: {
    50: '#8773d7',
    500: '#423cc4',
    950: '#000000',
  },
}
SCSS
$custom: #423cc4;
$custom-light: #8773d7;
$custom-dark: #000000;
JSON
{
  "hex": "#423cc4",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 196
  },
  "hsl": {
    "h": 242.647,
    "s": 53.543,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45618,
    "c": 0.20326,
    "h": 276.6
  },
  "luminance": 0.08375
}

Semantic roles & 50–950 ramp

primary
#423CC4
secondary
#CACC90
accent
#DD4BD6
background
#F9F7FD
surface
#F1EDFA
border
#CBC8D3
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #423CC4

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

Preview Lab → · Contrast checker → · Palette generator →

#423CC4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva