#3398BC#3398BC

#3398BC is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.8% C 0.105 H 226.1°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX#3398BC
RGBrgb(51, 152, 188)
HSLhsl(196, 57%, 47%)
HSVhsv(196, 73%, 74%)
CMYKcmyk(72.9%, 19.1%, 0%, 26.3%)
CIE-LABlab(58.78, -16.88, -27.00)
CIE-LCHlch(58.78, 31.84, 237.98°)
OKLaboklab(63.76% -0.0728 -0.0756)
OKLCHoklch(63.76% 0.105 226.1)
XYZxyz(21.6669, 26.7886, 51.5960)
Luminance0.2679 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3398BC #BC5733
analogous
#33BC9B #3398BC #3354BC
triadic
#3398BC #BC3398 #98BC33
tetradic
#3398BC #9B33BC #BC5733 #54BC33
square
#3398BC #9B33BC #BC5733 #54BC33
split-complementary
#3398BC #BC3354 #BC9B33
monochromatic
#194A5C #26718C #3398BC #5AB3D2 #8AC9DF

Accessibility & contrast

On white

3.30
#3398BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.36
#3398BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3398BC
6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3398BC#FFFFFF#000000##000000
##3398BC1.003.306.366.36
#FFFFFF3.301.0021.0021.00
#0000006.3621.001.001.00
##0000006.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8495BE
Deuteranopia (green-blind)
#7288BC
Tritanopia (blue-blind)
#00A3A4
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3398bc;
/* rgb */ color: rgb(51, 152, 188);
/* oklch */ color: oklch(63.8% 0.105 226.1);
Tailwind
colors: {
  custom: {
    50: '#7db6d0',
    500: '#3398bc',
    950: '#000000',
  },
}
SCSS
$custom: #3398bc;
$custom-light: #7db6d0;
$custom-dark: #000000;
JSON
{
  "hex": "#3398bc",
  "rgb": {
    "r": 51,
    "g": 152,
    "b": 188
  },
  "hsl": {
    "h": 195.766,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.63759,
    "c": 0.10497,
    "h": 226.1
  },
  "luminance": 0.26791
}

Semantic roles & 50–950 ramp

primary
#3398BC
secondary
#C99481
accent
#7047E1
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #3398BC

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

Preview Lab → · Contrast checker → · Palette generator →

#3398BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva