#433DB4#433DB4

#433DB4 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.4% C 0.182 H 278.2°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX#433DB4
RGBrgb(67, 61, 180)
HSLhsl(243, 49%, 47%)
HSVhsv(243, 66%, 71%)
CMYKcmyk(62.8%, 66.1%, 0%, 29.4%)
CIE-LABlab(33.62, 38.49, -62.36)
CIE-LCHlch(33.62, 73.28, 301.68°)
OKLaboklab(44.38% 0.026 -0.1797)
OKLCHoklch(44.38% 0.182 278.2)
XYZxyz(12.2191, 7.8251, 44.0377)
Luminance0.0783 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#433DB4 #AEB43D
analogous
#3D73B4 #433DB4 #7E3DB4
triadic
#433DB4 #B4433D #3DB443
tetradic
#433DB4 #B43D73 #AEB43D #3DB47E
square
#433DB4 #B43D73 #AEB43D #3DB47E
split-complementary
#433DB4 #B47E3D #73B43D
monochromatic
#211E59 #322E86 #433DB4 #6964CA #9592DA

Accessibility & contrast

On white

8.19
#433DB4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#433DB4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DB4
8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##433DB4#FFFFFF#000000##FFFFFF
##433DB41.008.192.578.19
#FFFFFF8.191.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054B8
Deuteranopia (green-blind)
#004AB2
Tritanopia (blue-blind)
#005C73
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #433db4;
/* rgb */ color: rgb(67, 61, 180);
/* oklch */ color: oklch(44.4% 0.182 278.2);
Tailwind
colors: {
  custom: {
    50: '#8473cb',
    500: '#433db4',
    950: '#000000',
  },
}
SCSS
$custom: #433db4;
$custom-light: #8473cb;
$custom-dark: #000000;
JSON
{
  "hex": "#433db4",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 180
  },
  "hsl": {
    "h": 243.025,
    "s": 49.378,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44381,
    "c": 0.1816,
    "h": 278.2
  },
  "luminance": 0.07826
}

Semantic roles & 50–950 ramp

primary
#433DB4
secondary
#C2C588
accent
#D94FD2
background
#F8F7FC
surface
#F0EDF9
border
#CBC8D2
text
#0C0813
muted
#7D7B82

Preview Lab

Preview with #433DB4

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

Preview Lab → · Contrast checker → · Palette generator →

#433DB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva