#423BCE#423BCE

#423BCE is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.217 H 275.9°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#423BCE
RGBrgb(66, 59, 206)
HSLhsl(243, 60%, 52%)
HSVhsv(243, 71%, 81%)
CMYKcmyk(68%, 71.4%, 0%, 19.2%)
CIE-LABlab(35.48, 47.99, -74.55)
CIE-LCHlch(35.48, 88.66, 302.77°)
OKLaboklab(46.43% 0.0225 -0.2154)
OKLCHoklch(46.43% 0.217 275.9)
XYZxyz(14.9477, 8.7411, 59.2800)
Luminance0.0874 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423BCE #C7CE3B
analogous
#3B7ECE #423BCE #8C3BCE
triadic
#423BCE #CE423B #3BCE42
tetradic
#423BCE #CE3B7E #C7CE3B #3BCE8C
square
#423BCE #CE3B7E #C7CE3B #3BCE8C
split-complementary
#423BCE #CE8C3B #7ECE3B
monochromatic
#211D72 #2F29A3 #423BCE #716CDA #A09DE6

Accessibility & contrast

On white

7.64
#423BCE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #423BCE
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423BCE#FFFFFF#000000##FFFFFF
##423BCE1.007.642.757.64
#FFFFFF7.641.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AD2
Deuteranopia (green-blind)
#004DCB
Tritanopia (blue-blind)
#006481
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #423bce;
/* rgb */ color: rgb(66, 59, 206);
/* oklch */ color: oklch(46.4% 0.217 275.9);
Tailwind
colors: {
  custom: {
    50: '#8973de',
    500: '#423bce',
    950: '#000000',
  },
}
SCSS
$custom: #423bce;
$custom-light: #8973de;
$custom-dark: #000000;
JSON
{
  "hex": "#423bce",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 206
  },
  "hsl": {
    "h": 242.857,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46425,
    "c": 0.21659,
    "h": 275.9
  },
  "luminance": 0.08742
}

Semantic roles & 50–950 ramp

primary
#423BCE
secondary
#D0D392
accent
#E345DC
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #423BCE

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

Preview Lab → · Contrast checker → · Palette generator →

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