#423DCB#423DCB

#423DCB is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.4% C 0.211 H 275.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#423DCB
RGBrgb(66, 61, 203)
HSLhsl(242, 58%, 52%)
HSVhsv(242, 70%, 80%)
CMYKcmyk(67.5%, 70%, 0%, 20.4%)
CIE-LABlab(35.61, 45.89, -72.60)
CIE-LCHlch(35.61, 85.88, 302.30°)
OKLaboklab(46.43% 0.0217 -0.2097)
OKLCHoklch(46.43% 0.211 275.9)
XYZxyz(14.6915, 8.8062, 57.4139)
Luminance0.0881 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423DCB #C6CB3D
analogous
#3D7FCB #423DCB #893DCB
triadic
#423DCB #CB423D #3DCB42
tetradic
#423DCB #CB3D7F #C6CB3D #3DCB89
square
#423DCB #CB3D7F #C6CB3D #3DCB89
split-complementary
#423DCB #CB893D #7FCB3D
monochromatic
#211E70 #2F2BA0 #423DCB #716DD8 #A09EE5

Accessibility & contrast

On white

7.60
#423DCB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#423DCB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DCB
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423DCB#FFFFFF#000000##FFFFFF
##423DCB1.007.602.767.60
#FFFFFF7.601.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ACF
Deuteranopia (green-blind)
#004DC8
Tritanopia (blue-blind)
#00647F
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #423dcb;
/* rgb */ color: rgb(66, 61, 203);
/* oklch */ color: oklch(46.4% 0.211 275.9);
Tailwind
colors: {
  custom: {
    50: '#8874dc',
    500: '#423dcb',
    950: '#000000',
  },
}
SCSS
$custom: #423dcb;
$custom-light: #8874dc;
$custom-dark: #000000;
JSON
{
  "hex": "#423dcb",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 203
  },
  "hsl": {
    "h": 242.113,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46431,
    "c": 0.21084,
    "h": 275.9
  },
  "luminance": 0.08808
}

Semantic roles & 50–950 ramp

primary
#423DCB
secondary
#CFD193
accent
#E147DC
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #423DCB

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

Preview Lab → · Contrast checker → · Palette generator →

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