#33509B#33509B

#33509B is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.0% C 0.127 H 265.7°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#33509B
RGBrgb(51, 80, 155)
HSLhsl(223, 50%, 40%)
HSVhsv(223, 67%, 61%)
CMYKcmyk(67.1%, 48.4%, 0%, 39.2%)
CIE-LABlab(35.61, 14.75, -44.22)
CIE-LCHlch(35.61, 46.62, 288.44°)
OKLaboklab(45.01% -0.0096 -0.1266)
OKLCHoklch(45.01% 0.127 265.7)
XYZxyz(10.1482, 8.8067, 32.1690)
Luminance0.0881 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33509B #9B7E33
analogous
#33849B #33509B #4A339B
triadic
#33509B #9B3350 #509B33
tetradic
#33509B #9B3384 #9B7E33 #339B4A
square
#33509B #9B3384 #9B7E33 #339B4A
split-complementary
#33509B #9B4A33 #849B33
monochromatic
#15203F #24386D #33509B #486AC3 #7690D2

Accessibility & contrast

On white

7.60
#33509B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#33509B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33509B
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33509B#FFFFFF#000000##FFFFFF
##33509B1.007.602.767.60
#FFFFFF7.601.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#29599E
Deuteranopia (green-blind)
#134F99
Tritanopia (blue-blind)
#00616E
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #33509b;
/* rgb */ color: rgb(51, 80, 155);
/* oklch */ color: oklch(45.0% 0.127 265.7);
Tailwind
colors: {
  custom: {
    50: '#7680b9',
    500: '#33509b',
    950: '#000000',
  },
}
SCSS
$custom: #33509b;
$custom-light: #7680b9;
$custom-dark: #000000;
JSON
{
  "hex": "#33509b",
  "rgb": {
    "r": 51,
    "g": 80,
    "b": 155
  },
  "hsl": {
    "h": 223.269,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.45009,
    "c": 0.12698,
    "h": 265.7
  },
  "luminance": 0.08808
}

Semantic roles & 50–950 ramp

primary
#33509B
secondary
#BAA56F
accent
#B34EDA
background
#F7F7FB
surface
#EEEEF6
border
#C9C9D0
text
#090A11
muted
#7B7C80

Preview Lab

Preview with #33509B

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

Preview Lab → · Contrast checker → · Palette generator →

#33509B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva