#3388D2#3388D2

#3388D2 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.1% C 0.138 H 248.6°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#3388D2
RGBrgb(51, 136, 210)
HSLhsl(208, 64%, 51%)
HSVhsv(208, 76%, 82%)
CMYKcmyk(75.7%, 35.2%, 0%, 17.6%)
CIE-LABlab(55.03, -0.13, -45.27)
CIE-LCHlch(55.03, 45.27, 269.84°)
OKLaboklab(61.12% -0.0504 -0.1288)
OKLCHoklch(61.12% 0.138 248.6)
XYZxyz(21.7978, 22.9627, 64.2437)
Luminance0.2296 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3388D2 #D27D33
analogous
#33D2CD #3388D2 #3338D2
triadic
#3388D2 #D23388 #88D233
tetradic
#3388D2 #CD33D2 #D27D33 #38D233
square
#3388D2 #CD33D2 #D27D33 #38D233
split-complementary
#3388D2 #D23338 #D2CD33
monochromatic
#194872 #2468A4 #3388D2 #65A5DD #97C2E8

Accessibility & contrast

On white

3.75
#3388D2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.59
#3388D2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388D2
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3388D2#FFFFFF#000000##000000
##3388D21.003.755.595.59
#FFFFFF3.751.0021.0021.00
#0000005.5921.001.001.00
##0000005.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#668CD5
Deuteranopia (green-blind)
#4E7DD1
Tritanopia (blue-blind)
#009AA3
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3388d2;
/* rgb */ color: rgb(51, 136, 210);
/* oklch */ color: oklch(61.1% 0.138 248.6);
Tailwind
colors: {
  custom: {
    50: '#80aae0',
    500: '#3388d2',
    950: '#000000',
  },
}
SCSS
$custom: #3388d2;
$custom-light: #80aae0;
$custom-dark: #000000;
JSON
{
  "hex": "#3388d2",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 210
  },
  "hsl": {
    "h": 207.925,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61118,
    "c": 0.13832,
    "h": 248.6
  },
  "luminance": 0.22965
}

Semantic roles & 50–950 ramp

primary
#3388D2
secondary
#D4AE8D
accent
#8E41E7
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3388D2

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

Preview Lab → · Contrast checker → · Palette generator →

#3388D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva