#3989BD#3989BD

#3989BD is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.4% C 0.111 H 240.7°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#3989BD
RGBrgb(57, 137, 189)
HSLhsl(204, 54%, 48%)
HSVhsv(204, 70%, 74%)
CMYKcmyk(69.8%, 27.5%, 0%, 25.9%)
CIE-LABlab(54.48, -7.33, -34.22)
CIE-LCHlch(54.48, 35.00, 257.90°)
OKLaboklab(60.4% -0.0542 -0.0965)
OKLCHoklch(60.4% 0.111 240.7)
XYZxyz(19.8148, 22.4331, 51.4200)
Luminance0.2243 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3989BD #BD6D39
analogous
#39BDAF #3989BD #3947BD
triadic
#3989BD #BD3989 #89BD39
tetradic
#3989BD #AF39BD #BD6D39 #47BD39
square
#3989BD #AF39BD #BD6D39 #47BD39
split-complementary
#3989BD #BD3947 #BDAF39
monochromatic
#1D455F #2B678E #3989BD #63A5D0 #92C0DE

Accessibility & contrast

On white

3.83
#3989BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.49
#3989BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989BD
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3989BD#FFFFFF#000000##000000
##3989BD1.003.835.495.49
#FFFFFF3.831.0021.0021.00
#0000005.4921.001.001.00
##0000005.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7189BF
Deuteranopia (green-blind)
#5F7DBC
Tritanopia (blue-blind)
#00969B
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3989bd;
/* rgb */ color: rgb(57, 137, 189);
/* oklch */ color: oklch(60.4% 0.111 240.7);
Tailwind
colors: {
  custom: {
    50: '#7fabd1',
    500: '#3989bd',
    950: '#000000',
  },
}
SCSS
$custom: #3989bd;
$custom-light: #7fabd1;
$custom-dark: #000000;
JSON
{
  "hex": "#3989bd",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 189
  },
  "hsl": {
    "h": 203.636,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.60399,
    "c": 0.1107,
    "h": 240.7
  },
  "luminance": 0.22435
}

Semantic roles & 50–950 ramp

primary
#3989BD
secondary
#C9A289
accent
#844BDD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3989BD

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

Preview Lab → · Contrast checker → · Palette generator →

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