#3889BB#3889BB

#3889BB is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.3% C 0.109 H 239.4°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX#3889BB
RGBrgb(56, 137, 187)
HSLhsl(203, 54%, 48%)
HSVhsv(203, 70%, 73%)
CMYKcmyk(70.1%, 26.7%, 0%, 26.7%)
CIE-LABlab(54.36, -8.18, -33.27)
CIE-LCHlch(54.36, 34.26, 256.20°)
OKLaboklab(60.27% -0.0554 -0.0938)
OKLCHoklch(60.27% 0.109 239.4)
XYZxyz(19.5427, 22.3178, 50.2819)
Luminance0.2232 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3889BB #BB6A38
analogous
#38BBAB #3889BB #3847BB
triadic
#3889BB #BB3889 #89BB38
tetradic
#3889BB #AB38BB #BB6A38 #47BB38
square
#3889BB #AB38BB #BB6A38 #47BB38
split-complementary
#3889BB #BB3847 #BBAB38
monochromatic
#1C445D #2A668C #3889BB #61A5D0 #90C0DE

Accessibility & contrast

On white

3.84
#3889BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.46
#3889BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3889BB
5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3889BB#FFFFFF#000000##000000
##3889BB1.003.845.465.46
#FFFFFF3.841.0021.0021.00
#0000005.4621.001.001.00
##0000005.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7289BD
Deuteranopia (green-blind)
#607CBA
Tritanopia (blue-blind)
#00969A
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3889bb;
/* rgb */ color: rgb(56, 137, 187);
/* oklch */ color: oklch(60.3% 0.109 239.4);
Tailwind
colors: {
  custom: {
    50: '#7eabcf',
    500: '#3889bb',
    950: '#000000',
  },
}
SCSS
$custom: #3889bb;
$custom-light: #7eabcf;
$custom-dark: #000000;
JSON
{
  "hex": "#3889bb",
  "rgb": {
    "r": 56,
    "g": 137,
    "b": 187
  },
  "hsl": {
    "h": 202.901,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.60265,
    "c": 0.10895,
    "h": 239.4
  },
  "luminance": 0.2232
}

Semantic roles & 50–950 ramp

primary
#3889BB
secondary
#C8A086
accent
#834BDD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3889BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3889BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva