#423BD6#423BD6

#423BD6 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.2% C 0.226 H 275.3°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX#423BD6
RGBrgb(66, 59, 214)
HSLhsl(243, 65%, 54%)
HSVhsv(243, 72%, 84%)
CMYKcmyk(69.2%, 72.4%, 0%, 16.1%)
CIE-LABlab(36.25, 50.53, -77.91)
CIE-LCHlch(36.25, 92.86, 302.97°)
OKLaboklab(47.21% 0.021 -0.2252)
OKLCHoklch(47.21% 0.226 275.3)
XYZxyz(15.9443, 9.1397, 64.5292)
Luminance0.0914 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423BD6 #CFD63B
analogous
#3B81D6 #423BD6 #8F3BD6
triadic
#423BD6 #D6423B #3BD642
tetradic
#423BD6 #D63B81 #CFD63B #3BD68F
square
#423BD6 #D63B81 #CFD63B #3BD68F
split-complementary
#423BD6 #D68F3B #81D63B
monochromatic
#1F1A7D #2B25AF #423BD6 #736EE1 #A4A0EB

Accessibility & contrast

On white

7.43
#423BD6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.83
#423BD6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BD6
7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423BD6#FFFFFF#000000##FFFFFF
##423BD61.007.432.837.43
#FFFFFF7.431.0021.001.00
#0000002.8321.001.0021.00
##FFFFFF7.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005CDB
Deuteranopia (green-blind)
#004ED3
Tritanopia (blue-blind)
#006785
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #423bd6;
/* rgb */ color: rgb(66, 59, 214);
/* oklch */ color: oklch(47.2% 0.226 275.3);
Tailwind
colors: {
  custom: {
    50: '#8b73e4',
    500: '#423bd6',
    950: '#000000',
  },
}
SCSS
$custom: #423bd6;
$custom-light: #8b73e4;
$custom-dark: #000000;
JSON
{
  "hex": "#423bd6",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 214
  },
  "hsl": {
    "h": 242.71,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47206,
    "c": 0.22619,
    "h": 275.3
  },
  "luminance": 0.09141
}

Semantic roles & 50–950 ramp

primary
#423BD6
secondary
#D5D895
accent
#E83FE1
background
#F9F7FE
surface
#F2EDFC
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #423BD6

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

Preview Lab → · Contrast checker → · Palette generator →

#423BD6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva