#4233DA#4233DA

#4233DA is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.6% C 0.238 H 275.8°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX#4233DA
RGBrgb(66, 51, 218)
HSLhsl(245, 69%, 53%)
HSVhsv(245, 77%, 85%)
CMYKcmyk(69.7%, 76.6%, 0%, 14.5%)
CIE-LABlab(35.18, 55.96, -81.99)
CIE-LCHlch(35.18, 99.26, 304.32°)
OKLaboklab(46.57% 0.0242 -0.237)
OKLCHoklch(46.57% 0.238 275.8)
XYZxyz(16.0813, 8.5863, 67.1259)
Luminance0.0859 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4233DA #CBDA33
analogous
#3378DA #4233DA #9533DA
triadic
#4233DA #DA4233 #33DA42
tetradic
#4233DA #DA3378 #CBDA33 #33DA95
square
#4233DA #DA3378 #CBDA33 #33DA95
split-complementary
#4233DA #DA9533 #78DA33
monochromatic
#20177C #2D20B0 #4233DA #7267E3 #A29BED

Accessibility & contrast

On white

7.73
#4233DA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.72
#4233DA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233DA
7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4233DA#FFFFFF#000000##FFFFFF
##4233DA1.007.732.727.73
#FFFFFF7.731.0021.001.00
#0000002.7221.001.0021.00
##FFFFFF7.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ADF
Deuteranopia (green-blind)
#004BD7
Tritanopia (blue-blind)
#006585
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #4233da;
/* rgb */ color: rgb(66, 51, 218);
/* oklch */ color: oklch(46.6% 0.238 275.8);
Tailwind
colors: {
  custom: {
    50: '#8c6ee7',
    500: '#4233da',
    950: '#000000',
  },
}
SCSS
$custom: #4233da;
$custom-light: #8c6ee7;
$custom-dark: #000000;
JSON
{
  "hex": "#4233da",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 218
  },
  "hsl": {
    "h": 245.389,
    "s": 69.295,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46566,
    "c": 0.23825,
    "h": 275.8
  },
  "luminance": 0.08588
}

Semantic roles & 50–950 ramp

primary
#4233DA
secondary
#D2D990
accent
#EC3CDC
background
#F9F6FE
surface
#F2ECFD
border
#CCC7D5
text
#0E0716
muted
#7E7A84

Preview Lab

Preview with #4233DA

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

Preview Lab → · Contrast checker → · Palette generator →

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