#3889AB#3889AB

#3889AB is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.093 H 229.1°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#3889AB
RGBrgb(56, 137, 171)
HSLhsl(198, 51%, 45%)
HSVhsv(198, 67%, 67%)
CMYKcmyk(67.3%, 19.9%, 0%, 32.9%)
CIE-LABlab(53.68, -13.60, -25.18)
CIE-LCHlch(53.68, 28.61, 241.63°)
OKLaboklab(59.49% -0.0611 -0.0705)
OKLCHoklch(59.49% 0.093 229.1)
XYZxyz(17.9243, 21.6704, 41.7583)
Luminance0.2167 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3889AB #AB5A38
analogous
#38AB94 #3889AB #3850AB
triadic
#3889AB #AB3889 #89AB38
tetradic
#3889AB #9438AB #AB5A38 #50AB38
square
#3889AB #9438AB #AB5A38 #50AB38
split-complementary
#3889AB #AB3850 #AB9438
monochromatic
#1A3F4F #29647D #3889AB #58A7C8 #86BFD7

Accessibility & contrast

On white

3.94
#3889AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#3889AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3889AB
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3889AB#FFFFFF#000000##000000
##3889AB1.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7787AD
Deuteranopia (green-blind)
#677BAB
Tritanopia (blue-blind)
#009394
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #3889ab;
/* rgb */ color: rgb(56, 137, 171);
/* oklch */ color: oklch(59.5% 0.093 229.1);
Tailwind
colors: {
  custom: {
    50: '#7cabc4',
    500: '#3889ab',
    950: '#000000',
  },
}
SCSS
$custom: #3889ab;
$custom-light: #7cabc4;
$custom-dark: #000000;
JSON
{
  "hex": "#3889ab",
  "rgb": {
    "r": 56,
    "g": 137,
    "b": 171
  },
  "hsl": {
    "h": 197.739,
    "s": 50.661,
    "l": 44.51
  },
  "oklch": {
    "l": 0.59492,
    "c": 0.09326,
    "h": 229.1
  },
  "luminance": 0.21672
}

Semantic roles & 50–950 ramp

primary
#3889AB
secondary
#C1927D
accent
#774EDA
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1012
muted
#7C7F81

Preview Lab

Preview with #3889AB

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

Preview Lab → · Contrast checker → · Palette generator →

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