#423B96#423B96

#423B96 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.144 H 281.5°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#423B96
RGBrgb(66, 59, 150)
HSLhsl(245, 44%, 41%)
HSVhsv(245, 61%, 59%)
CMYKcmyk(56%, 60.7%, 0%, 41.2%)
CIE-LABlab(30.61, 29.61, -49.21)
CIE-LCHlch(30.61, 57.43, 301.03°)
OKLaboklab(41.4% 0.0288 -0.1411)
OKLCHoklch(41.4% 0.144 281.5)
XYZxyz(9.3140, 6.4876, 29.6097)
Luminance0.0649 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423B96 #8F963B
analogous
#3B6196 #423B96 #6F3B96
triadic
#423B96 #96423B #3B9642
tetradic
#423B96 #963B61 #8F963B #3B966F
square
#423B96 #963B61 #8F963B #3B966F
split-complementary
#423B96 #966F3B #61963B
monochromatic
#1B183E #2F2A6A #423B96 #5B53BB #857FCD

Accessibility & contrast

On white

9.14
#423B96 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#423B96 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B96
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423B96#FFFFFF#000000##FFFFFF
##423B961.009.142.309.14
#FFFFFF9.141.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004B99
Deuteranopia (green-blind)
#004594
Tritanopia (blue-blind)
#1A5162
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #423b96;
/* rgb */ color: rgb(66, 59, 150);
/* oklch */ color: oklch(41.4% 0.144 281.5);
Tailwind
colors: {
  custom: {
    50: '#7e71b6',
    500: '#423b96',
    950: '#000000',
  },
}
SCSS
$custom: #423b96;
$custom-light: #7e71b6;
$custom-dark: #000000;
JSON
{
  "hex": "#423b96",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 150
  },
  "hsl": {
    "h": 244.615,
    "s": 43.541,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41399,
    "c": 0.14405,
    "h": 281.5
  },
  "luminance": 0.06488
}

Semantic roles & 50–950 ramp

primary
#423B96
secondary
#B1B677
accent
#D355CA
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0711
muted
#7C7A80

Preview Lab

Preview with #423B96

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

Preview Lab → · Contrast checker → · Palette generator →

#423B96 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva