#423D98#423D98

#423D98 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.144 H 280.6°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX#423D98
RGBrgb(66, 61, 152)
HSLhsl(243, 43%, 42%)
HSVhsv(243, 60%, 60%)
CMYKcmyk(56.6%, 59.9%, 0%, 40.4%)
CIE-LABlab(31.26, 29.00, -49.38)
CIE-LCHlch(31.26, 57.26, 300.42°)
OKLaboklab(41.93% 0.0266 -0.1416)
OKLCHoklch(41.93% 0.144 280.6)
XYZxyz(9.5812, 6.7621, 30.5000)
Luminance0.0676 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423D98 #93983D
analogous
#3D6698 #423D98 #703D98
triadic
#423D98 #98423D #3D9842
tetradic
#423D98 #983D66 #93983D #3D9870
square
#423D98 #983D66 #93983D #3D9870
split-complementary
#423D98 #98703D #66983D
monochromatic
#1C1A41 #2F2B6C #423D98 #5C57BB #8782CD

Accessibility & contrast

On white

8.93
#423D98 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#423D98 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D98
8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423D98#FFFFFF#000000##FFFFFF
##423D981.008.932.358.93
#FFFFFF8.931.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004D9B
Deuteranopia (green-blind)
#004696
Tritanopia (blue-blind)
#175364
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #423d98;
/* rgb */ color: rgb(66, 61, 152);
/* oklch */ color: oklch(41.9% 0.144 280.6);
Tailwind
colors: {
  custom: {
    50: '#7e73b7',
    500: '#423d98',
    950: '#000000',
  },
}
SCSS
$custom: #423d98;
$custom-light: #7e73b7;
$custom-dark: #000000;
JSON
{
  "hex": "#423d98",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 152
  },
  "hsl": {
    "h": 243.297,
    "s": 42.723,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41926,
    "c": 0.14411,
    "h": 280.6
  },
  "luminance": 0.06763
}

Semantic roles & 50–950 ramp

primary
#423D98
secondary
#B4B77A
accent
#D355CC
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0811
muted
#7C7B80

Preview Lab

Preview with #423D98

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

Preview Lab → · Contrast checker → · Palette generator →

#423D98 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva