#3389BF#3389BF

#3389BF is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.3% C 0.115 H 240.4°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#3389BF
RGBrgb(51, 137, 191)
HSLhsl(203, 58%, 47%)
HSVhsv(203, 73%, 75%)
CMYKcmyk(73.3%, 28.3%, 0%, 25.1%)
CIE-LABlab(54.40, -7.50, -35.50)
CIE-LCHlch(54.40, 36.29, 258.08°)
OKLaboklab(60.32% -0.0569 -0.1003)
OKLCHoklch(60.32% 0.115 240.4)
XYZxyz(19.7112, 22.3545, 52.5561)
Luminance0.2236 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3389BF #BF6933
analogous
#33BFAF #3389BF #3343BF
triadic
#3389BF #BF3389 #89BF33
tetradic
#3389BF #AF33BF #BF6933 #43BF33
square
#3389BF #AF33BF #BF6933 #43BF33
split-complementary
#3389BF #BF3343 #BFAF33
monochromatic
#19445E #26668F #3389BF #5CA5D3 #8CC0E0

Accessibility & contrast

On white

3.84
#3389BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.47
#3389BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389BF
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3389BF#FFFFFF#000000##000000
##3389BF1.003.845.475.47
#FFFFFF3.841.0021.0021.00
#0000005.4721.001.001.00
##0000005.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#708AC1
Deuteranopia (green-blind)
#5D7CBE
Tritanopia (blue-blind)
#00969C
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3389bf;
/* rgb */ color: rgb(51, 137, 191);
/* oklch */ color: oklch(60.3% 0.115 240.4);
Tailwind
colors: {
  custom: {
    50: '#7dabd2',
    500: '#3389bf',
    950: '#000000',
  },
}
SCSS
$custom: #3389bf;
$custom-light: #7dabd2;
$custom-dark: #000000;
JSON
{
  "hex": "#3389bf",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 191
  },
  "hsl": {
    "h": 203.143,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.60315,
    "c": 0.11534,
    "h": 240.4
  },
  "luminance": 0.22357
}

Semantic roles & 50–950 ramp

primary
#3389BF
secondary
#CB9F83
accent
#8247E1
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3389BF

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

Preview Lab → · Contrast checker → · Palette generator →

#3389BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva