#423B97#423B97

#423B97 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.145 H 281.4°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX#423B97
RGBrgb(66, 59, 151)
HSLhsl(245, 44%, 41%)
HSVhsv(245, 61%, 59%)
CMYKcmyk(56.3%, 60.9%, 0%, 40.8%)
CIE-LABlab(30.69, 29.94, -49.70)
CIE-LCHlch(30.69, 58.02, 301.07°)
OKLaboklab(41.48% 0.0288 -0.1426)
OKLCHoklch(41.48% 0.145 281.4)
XYZxyz(9.3949, 6.5200, 30.0356)
Luminance0.0652 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423B97 #90973B
analogous
#3B6297 #423B97 #703B97
triadic
#423B97 #97423B #3B9742
tetradic
#423B97 #973B62 #90973B #3B9770
square
#423B97 #973B62 #90973B #3B9770
split-complementary
#423B97 #97703B #62973B
monochromatic
#1C193F #2F2A6B #423B97 #5B53BC #857FCD

Accessibility & contrast

On white

9.11
#423B97 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#423B97 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B97
9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423B97#FFFFFF#000000##FFFFFF
##423B971.009.112.309.11
#FFFFFF9.111.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004C9A
Deuteranopia (green-blind)
#004595
Tritanopia (blue-blind)
#195163
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #423b97;
/* rgb */ color: rgb(66, 59, 151);
/* oklch */ color: oklch(41.5% 0.145 281.4);
Tailwind
colors: {
  custom: {
    50: '#7e71b6',
    500: '#423b97',
    950: '#000000',
  },
}
SCSS
$custom: #423b97;
$custom-light: #7e71b6;
$custom-dark: #000000;
JSON
{
  "hex": "#423b97",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 244.565,
    "s": 43.81,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41481,
    "c": 0.14544,
    "h": 281.4
  },
  "luminance": 0.06521
}

Semantic roles & 50–950 ramp

primary
#423B97
secondary
#B2B777
accent
#D454CA
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0711
muted
#7C7A80

Preview Lab

Preview with #423B97

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

Preview Lab → · Contrast checker → · Palette generator →

#423B97 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva