#3989B9#3989B9

#3989B9 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.2% C 0.106 H 238.6°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#3989B9
RGBrgb(57, 137, 185)
HSLhsl(203, 53%, 47%)
HSVhsv(203, 69%, 73%)
CMYKcmyk(69.2%, 25.9%, 0%, 27.5%)
CIE-LABlab(54.30, -8.71, -32.22)
CIE-LCHlch(54.30, 33.38, 254.87°)
OKLaboklab(60.2% -0.0555 -0.0907)
OKLCHoklch(60.2% 0.106 238.6)
XYZxyz(19.3866, 22.2618, 49.1648)
Luminance0.2226 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3989B9 #B96939
analogous
#39B9A9 #3989B9 #3949B9
triadic
#3989B9 #B93989 #89B939
tetradic
#3989B9 #A939B9 #B96939 #49B939
square
#3989B9 #A939B9 #B96939 #49B939
split-complementary
#3989B9 #B93949 #B9A939
monochromatic
#1C445B #2B668A #3989B9 #61A5CE #90C0DD

Accessibility & contrast

On white

3.85
#3989B9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.45
#3989B9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989B9
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3989B9#FFFFFF#000000##000000
##3989B91.003.855.455.45
#FFFFFF3.851.0021.0021.00
#0000005.4521.001.001.00
##0000005.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7389BB
Deuteranopia (green-blind)
#617CB8
Tritanopia (blue-blind)
#009599
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3989b9;
/* rgb */ color: rgb(57, 137, 185);
/* oklch */ color: oklch(60.2% 0.106 238.6);
Tailwind
colors: {
  custom: {
    50: '#7eabce',
    500: '#3989b9',
    950: '#000000',
  },
}
SCSS
$custom: #3989b9;
$custom-light: #7eabce;
$custom-dark: #000000;
JSON
{
  "hex": "#3989b9",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 185
  },
  "hsl": {
    "h": 202.5,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.60198,
    "c": 0.10637,
    "h": 238.6
  },
  "luminance": 0.22264
}

Semantic roles & 50–950 ramp

primary
#3989B9
secondary
#C89F86
accent
#824BDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3989B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3989B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva