#433B99#433B99

#433B99 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.148 H 281.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX#433B99
RGBrgb(67, 59, 153)
HSLhsl(245, 44%, 42%)
HSVhsv(245, 61%, 60%)
CMYKcmyk(56.2%, 61.4%, 0%, 40%)
CIE-LABlab(30.93, 30.80, -50.52)
CIE-LCHlch(30.93, 59.17, 301.36°)
OKLaboklab(41.73% 0.03 -0.145)
OKLCHoklch(41.73% 0.148 281.7)
XYZxyz(9.6267, 6.6205, 30.9014)
Luminance0.0662 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#433B99 #91993B
analogous
#3B6299 #433B99 #723B99
triadic
#433B99 #99433B #3B9943
tetradic
#433B99 #993B62 #91993B #3B9972
square
#433B99 #993B62 #91993B #3B9972
split-complementary
#433B99 #99723B #62993B
monochromatic
#1C1941 #302A6D #433B99 #5D54BD #8780CE

Accessibility & contrast

On white

9.04
#433B99 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.32
#433B99 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433B99
9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##433B99#FFFFFF#000000##FFFFFF
##433B991.009.042.329.04
#FFFFFF9.041.0021.001.00
#0000002.3221.001.0021.00
##FFFFFF9.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004C9C
Deuteranopia (green-blind)
#004597
Tritanopia (blue-blind)
#1A5264
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #433b99;
/* rgb */ color: rgb(67, 59, 153);
/* oklch */ color: oklch(41.7% 0.148 281.7);
Tailwind
colors: {
  custom: {
    50: '#7f71b8',
    500: '#433b99',
    950: '#000000',
  },
}
SCSS
$custom: #433b99;
$custom-light: #7f71b8;
$custom-dark: #000000;
JSON
{
  "hex": "#433b99",
  "rgb": {
    "r": 67,
    "g": 59,
    "b": 153
  },
  "hsl": {
    "h": 245.106,
    "s": 44.34,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41726,
    "c": 0.14804,
    "h": 281.7
  },
  "luminance": 0.06621
}

Semantic roles & 50–950 ramp

primary
#433B99
secondary
#B2B878
accent
#D454C9
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0711
muted
#7C7A80

Preview Lab

Preview with #433B99

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

Preview Lab → · Contrast checker → · Palette generator →

#433B99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva