#433D99#433D99

#433D99 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.145 H 281.1°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX#433D99
RGBrgb(67, 61, 153)
HSLhsl(244, 43%, 42%)
HSVhsv(244, 60%, 60%)
CMYKcmyk(56.2%, 60.1%, 0%, 40%)
CIE-LABlab(31.42, 29.53, -49.73)
CIE-LCHlch(31.42, 57.83, 300.70°)
OKLaboklab(42.09% 0.0279 -0.1426)
OKLCHoklch(42.09% 0.145 281.1)
XYZxyz(9.7315, 6.8301, 30.9364)
Luminance0.0683 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#433D99 #93993D
analogous
#3D6599 #433D99 #713D99
triadic
#433D99 #99433D #3D9943
tetradic
#433D99 #993D65 #93993D #3D9971
square
#433D99 #993D65 #93993D #3D9971
split-complementary
#433D99 #99713D #65993D
monochromatic
#1D1A41 #302C6D #433D99 #5E57BC #8883CE

Accessibility & contrast

On white

8.87
#433D99 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#433D99 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433D99
8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##433D99#FFFFFF#000000##FFFFFF
##433D991.008.872.378.87
#FFFFFF8.871.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004D9C
Deuteranopia (green-blind)
#004797
Tritanopia (blue-blind)
#195365
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #433d99;
/* rgb */ color: rgb(67, 61, 153);
/* oklch */ color: oklch(42.1% 0.145 281.1);
Tailwind
colors: {
  custom: {
    50: '#7f73b8',
    500: '#433d99',
    950: '#000000',
  },
}
SCSS
$custom: #433d99;
$custom-light: #7f73b8;
$custom-dark: #000000;
JSON
{
  "hex": "#433d99",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 153
  },
  "hsl": {
    "h": 243.913,
    "s": 42.991,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42087,
    "c": 0.14533,
    "h": 281.1
  },
  "luminance": 0.06831
}

Semantic roles & 50–950 ramp

primary
#433D99
secondary
#B4B87A
accent
#D355CB
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0811
muted
#7C7B80

Preview Lab

Preview with #433D99

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

Preview Lab → · Contrast checker → · Palette generator →

#433D99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva