#3F89D8#3F89D8

#3F89D8 is a light, vivid cyan. Relative luminance 0.239; OKLCH L 62.1% C 0.141 H 252.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#3F89D8
RGBrgb(63, 137, 216)
HSLhsl(211, 66%, 55%)
HSVhsv(211, 71%, 85%)
CMYKcmyk(70.8%, 36.6%, 0%, 15.3%)
CIE-LABlab(55.99, 3.00, -47.11)
CIE-LCHlch(55.99, 47.21, 273.65°)
OKLaboklab(62.07% -0.0427 -0.134)
OKLCHoklch(62.07% 0.141 252.3)
XYZxyz(23.3856, 23.9034, 68.3338)
Luminance0.2391 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F89D8 #D88E3F
analogous
#3FD6D8 #3F89D8 #413FD8
triadic
#3F89D8 #D83F89 #89D83F
tetradic
#3F89D8 #D83FD6 #D88E3F #3FD841
square
#3F89D8 #D83FD6 #D88E3F #3FD841
split-complementary
#3F89D8 #D8413F #D6D83F
monochromatic
#1A4D82 #256BB5 #3F89D8 #72A8E2 #A5C8ED

Accessibility & contrast

On white

3.63
#3F89D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.78
#3F89D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89D8
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F89D8#FFFFFF#000000##000000
##3F89D81.003.635.785.78
#FFFFFF3.631.0021.0021.00
#0000005.7821.001.001.00
##0000005.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#658EDB
Deuteranopia (green-blind)
#4E80D6
Tritanopia (blue-blind)
#009CA6
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #3f89d8;
/* rgb */ color: rgb(63, 137, 216);
/* oklch */ color: oklch(62.1% 0.141 252.3);
Tailwind
colors: {
  custom: {
    50: '#86abe4',
    500: '#3f89d8',
    950: '#000000',
  },
}
SCSS
$custom: #3f89d8;
$custom-light: #86abe4;
$custom-dark: #000000;
JSON
{
  "hex": "#3f89d8",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 216
  },
  "hsl": {
    "h": 210.98,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62071,
    "c": 0.14066,
    "h": 252.3
  },
  "luminance": 0.23906
}

Semantic roles & 50–950 ramp

primary
#3F89D8
secondary
#DABA99
accent
#973FE9
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1015
muted
#7D7F84

Preview Lab

Preview with #3F89D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3F89D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva