#33519B#33519B

#33519B is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.126 H 265.2°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#33519B
RGBrgb(51, 81, 155)
HSLhsl(223, 50%, 40%)
HSVhsv(223, 67%, 61%)
CMYKcmyk(67.1%, 47.7%, 0%, 39.2%)
CIE-LABlab(35.90, 14.09, -43.76)
CIE-LCHlch(35.90, 45.97, 287.84°)
OKLaboklab(45.23% -0.0106 -0.1252)
OKLCHoklch(45.23% 0.126 265.2)
XYZxyz(10.2220, 8.9543, 32.1936)
Luminance0.0896 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33519B #9B7D33
analogous
#33859B #33519B #49339B
triadic
#33519B #9B3351 #519B33
tetradic
#33519B #9B3385 #9B7D33 #339B49
square
#33519B #9B3385 #9B7D33 #339B49
split-complementary
#33519B #9B4933 #859B33
monochromatic
#15213F #24396D #33519B #486CC3 #7691D2

Accessibility & contrast

On white

7.52
#33519B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.79
#33519B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33519B
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33519B#FFFFFF#000000##FFFFFF
##33519B1.007.522.797.52
#FFFFFF7.521.0021.001.00
#0000002.7921.001.0021.00
##FFFFFF7.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B599E
Deuteranopia (green-blind)
#165099
Tritanopia (blue-blind)
#00626E
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #33519b;
/* rgb */ color: rgb(51, 81, 155);
/* oklch */ color: oklch(45.2% 0.126 265.2);
Tailwind
colors: {
  custom: {
    50: '#7681b9',
    500: '#33519b',
    950: '#000000',
  },
}
SCSS
$custom: #33519b;
$custom-light: #7681b9;
$custom-dark: #000000;
JSON
{
  "hex": "#33519b",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 155
  },
  "hsl": {
    "h": 222.692,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.45228,
    "c": 0.1257,
    "h": 265.2
  },
  "luminance": 0.08955
}

Semantic roles & 50–950 ramp

primary
#33519B
secondary
#BAA56F
accent
#B24EDA
background
#F7F7FB
surface
#EEEEF6
border
#C9C9D0
text
#090A11
muted
#7B7C80

Preview Lab

Preview with #33519B

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

Preview Lab → · Contrast checker → · Palette generator →

#33519B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva