#433C9B#433C9B

#433C9B is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.149 H 281.1°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX#433C9B
RGBrgb(67, 60, 155)
HSLhsl(244, 44%, 42%)
HSVhsv(244, 61%, 61%)
CMYKcmyk(56.8%, 61.3%, 0%, 39.2%)
CIE-LABlab(31.33, 30.83, -51.09)
CIE-LCHlch(31.33, 59.67, 301.10°)
OKLaboklab(42.07% 0.0289 -0.1466)
OKLCHoklch(42.07% 0.149 281.1)
XYZxyz(9.8452, 6.7909, 31.7960)
Luminance0.0679 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#433C9B #949B3C
analogous
#3C659B #433C9B #733C9B
triadic
#433C9B #9B433C #3C9B43
tetradic
#433C9B #9B3C65 #949B3C #3C9B73
square
#433C9B #9B3C65 #949B3C #3C9B73
split-complementary
#433C9B #9B733C #659B3C
monochromatic
#1D1A43 #302B6F #433C9B #5E56BE #8883CF

Accessibility & contrast

On white

8.90
#433C9B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#433C9B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433C9B
8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##433C9B#FFFFFF#000000##FFFFFF
##433C9B1.008.902.368.90
#FFFFFF8.901.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004D9E
Deuteranopia (green-blind)
#004699
Tritanopia (blue-blind)
#175365
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #433c9b;
/* rgb */ color: rgb(67, 60, 155);
/* oklch */ color: oklch(42.1% 0.149 281.1);
Tailwind
colors: {
  custom: {
    50: '#8072b9',
    500: '#433c9b',
    950: '#000000',
  },
}
SCSS
$custom: #433c9b;
$custom-light: #8072b9;
$custom-dark: #000000;
JSON
{
  "hex": "#433c9b",
  "rgb": {
    "r": 67,
    "g": 60,
    "b": 155
  },
  "hsl": {
    "h": 244.421,
    "s": 44.186,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42069,
    "c": 0.14946,
    "h": 281.1
  },
  "luminance": 0.06792
}

Semantic roles & 50–950 ramp

primary
#433C9B
secondary
#B4B97A
accent
#D454CA
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0812
muted
#7C7B81

Preview Lab

Preview with #433C9B

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

Preview Lab → · Contrast checker → · Palette generator →

#433C9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva