#4233BD#4233BD

#4233BD is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.6% C 0.204 H 278.6°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#4233BD
RGBrgb(66, 51, 189)
HSLhsl(247, 58%, 47%)
HSVhsv(247, 73%, 74%)
CMYKcmyk(65.1%, 73%, 0%, 25.9%)
CIE-LABlab(32.26, 47.03, -69.92)
CIE-LCHlch(32.26, 84.27, 303.93°)
OKLaboklab(43.64% 0.0306 -0.2019)
OKLCHoklch(43.64% 0.204 278.6)
XYZxyz(12.6129, 7.1990, 48.8591)
Luminance0.0720 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4233BD #AEBD33
analogous
#3369BD #4233BD #8733BD
triadic
#4233BD #BD4233 #33BD42
tetradic
#4233BD #BD3369 #AEBD33 #33BD87
square
#4233BD #BD3369 #AEBD33 #33BD87
split-complementary
#4233BD #BD8733 #69BD33
monochromatic
#20195D #31268D #4233BD #685BD3 #948BE0

Accessibility & contrast

On white

8.61
#4233BD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#4233BD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233BD
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4233BD#FFFFFF#000000##FFFFFF
##4233BD1.008.612.448.61
#FFFFFF8.611.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051C1
Deuteranopia (green-blind)
#0046BA
Tritanopia (blue-blind)
#005A75
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #4233bd;
/* rgb */ color: rgb(66, 51, 189);
/* oklch */ color: oklch(43.6% 0.204 278.6);
Tailwind
colors: {
  custom: {
    50: '#866dd2',
    500: '#4233bd',
    950: '#000000',
  },
}
SCSS
$custom: #4233bd;
$custom-light: #866dd2;
$custom-dark: #000000;
JSON
{
  "hex": "#4233bd",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 189
  },
  "hsl": {
    "h": 246.522,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43636,
    "c": 0.20416,
    "h": 278.6
  },
  "luminance": 0.072
}

Semantic roles & 50–950 ramp

primary
#4233BD
secondary
#C2CA82
accent
#E147D0
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0D0714
muted
#7D7A83

Preview Lab

Preview with #4233BD

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

Preview Lab → · Contrast checker → · Palette generator →

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