#3989DC#3989DC

#3989DC is a light, vivid cyan. Relative luminance 0.239; OKLCH L 62.1% C 0.148 H 252.1°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#3989DC
RGBrgb(57, 137, 220)
HSLhsl(211, 70%, 54%)
HSVhsv(211, 74%, 86%)
CMYKcmyk(74.1%, 37.7%, 0%, 13.7%)
CIE-LABlab(56.01, 3.62, -49.33)
CIE-LCHlch(56.01, 49.46, 274.20°)
OKLaboklab(62.1% -0.0454 -0.1406)
OKLCHoklch(62.1% 0.148 252.1)
XYZxyz(23.5464, 23.9258, 71.0734)
Luminance0.2393 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3989DC #DC8C39
analogous
#39DBDC #3989DC #3B39DC
triadic
#3989DC #DC3989 #89DC39
tetradic
#3989DC #DC39DB #DC8C39 #39DC3B
square
#3989DC #DC39DB #DC8C39 #39DC3B
split-complementary
#3989DC #DC3B39 #DBDC39
monochromatic
#174C83 #206BB7 #3989DC #6DA8E5 #A1C7EE

Accessibility & contrast

On white

3.63
#3989DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.79
#3989DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989DC
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3989DC#FFFFFF#000000##000000
##3989DC1.003.635.795.79
#FFFFFF3.631.0021.0021.00
#0000005.7921.001.001.00
##0000005.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#628EDF
Deuteranopia (green-blind)
#497FDA
Tritanopia (blue-blind)
#009DA8
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #3989dc;
/* rgb */ color: rgb(57, 137, 220);
/* oklch */ color: oklch(62.1% 0.148 252.1);
Tailwind
colors: {
  custom: {
    50: '#84aae7',
    500: '#3989dc',
    950: '#000000',
  },
}
SCSS
$custom: #3989dc;
$custom-light: #84aae7;
$custom-dark: #000000;
JSON
{
  "hex": "#3989dc",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 220
  },
  "hsl": {
    "h": 210.552,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.62104,
    "c": 0.14775,
    "h": 252.1
  },
  "luminance": 0.23928
}

Semantic roles & 50–950 ramp

primary
#3989DC
secondary
#DBB996
accent
#963BED
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84

Preview Lab

Preview with #3989DC

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

Preview Lab → · Contrast checker → · Palette generator →

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