#4233BA#4233BA

#4233BA is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.3% C 0.201 H 278.9°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX#4233BA
RGBrgb(66, 51, 186)
HSLhsl(247, 57%, 46%)
HSVhsv(247, 73%, 73%)
CMYKcmyk(64.5%, 72.6%, 0%, 27.1%)
CIE-LABlab(31.97, 46.09, -68.62)
CIE-LCHlch(31.97, 82.67, 303.89°)
OKLaboklab(43.34% 0.0312 -0.1981)
OKLCHoklch(43.34% 0.201 278.9)
XYZxyz(12.2907, 7.0701, 47.1618)
Luminance0.0707 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4233BA #ABBA33
analogous
#3368BA #4233BA #8633BA
triadic
#4233BA #BA4233 #33BA42
tetradic
#4233BA #BA3368 #ABBA33 #33BA86
square
#4233BA #BA3368 #ABBA33 #33BA86
split-complementary
#4233BA #BA8633 #68BA33
monochromatic
#20195A #31268A #4233BA #6659D1 #9289DF

Accessibility & contrast

On white

8.70
#4233BA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#4233BA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233BA
8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4233BA#FFFFFF#000000##FFFFFF
##4233BA1.008.702.418.70
#FFFFFF8.701.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050BE
Deuteranopia (green-blind)
#0046B8
Tritanopia (blue-blind)
#005973
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #4233ba;
/* rgb */ color: rgb(66, 51, 186);
/* oklch */ color: oklch(43.3% 0.201 278.9);
Tailwind
colors: {
  custom: {
    50: '#866dd0',
    500: '#4233ba',
    950: '#000000',
  },
}
SCSS
$custom: #4233ba;
$custom-light: #866dd0;
$custom-dark: #000000;
JSON
{
  "hex": "#4233ba",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 186
  },
  "hsl": {
    "h": 246.667,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43343,
    "c": 0.20052,
    "h": 278.9
  },
  "luminance": 0.07071
}

Semantic roles & 50–950 ramp

primary
#4233BA
secondary
#C0C980
accent
#E048CF
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #4233BA

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

Preview Lab → · Contrast checker → · Palette generator →

#4233BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva