#423AC1#423AC1

#423AC1 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.202 H 277.2°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX#423AC1
RGBrgb(66, 58, 193)
HSLhsl(244, 54%, 49%)
HSVhsv(244, 70%, 76%)
CMYKcmyk(65.8%, 69.9%, 0%, 24.3%)
CIE-LABlab(34.05, 44.37, -69.32)
CIE-LCHlch(34.05, 82.30, 302.63°)
OKLaboklab(45.03% 0.0252 -0.2001)
OKLCHoklch(45.03% 0.202 277.2)
XYZxyz(13.3823, 8.0335, 51.2871)
Luminance0.0804 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423AC1 #B9C13A
analogous
#3A75C1 #423AC1 #863AC1
triadic
#423AC1 #C1423A #3AC142
tetradic
#423AC1 #C13A75 #B9C13A #3AC186
square
#423AC1 #C13A75 #B9C13A #3AC186
split-complementary
#423AC1 #C1863A #75C13A
monochromatic
#221E63 #322C92 #423AC1 #6D67D1 #9A96DF

Accessibility & contrast

On white

8.06
#423AC1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#423AC1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423AC1
8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423AC1#FFFFFF#000000##FFFFFF
##423AC11.008.062.618.06
#FFFFFF8.061.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C5
Deuteranopia (green-blind)
#004ABE
Tritanopia (blue-blind)
#005F79
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #423ac1;
/* rgb */ color: rgb(66, 58, 193);
/* oklch */ color: oklch(45.0% 0.202 277.2);
Tailwind
colors: {
  custom: {
    50: '#8672d5',
    500: '#423ac1',
    950: '#000000',
  },
}
SCSS
$custom: #423ac1;
$custom-light: #8672d5;
$custom-dark: #000000;
JSON
{
  "hex": "#423ac1",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 193
  },
  "hsl": {
    "h": 243.556,
    "s": 53.785,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45033,
    "c": 0.2017,
    "h": 277.2
  },
  "luminance": 0.08035
}

Semantic roles & 50–950 ramp

primary
#423AC1
secondary
#C7CB8C
accent
#DD4BD4
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0D0814
muted
#7D7B83

Preview Lab

Preview with #423AC1

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

Preview Lab → · Contrast checker → · Palette generator →

#423AC1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva