#3F8ABA#3F8ABA

#3F8ABA is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.7% C 0.104 H 239.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX#3F8ABA
RGBrgb(63, 138, 186)
HSLhsl(203, 49%, 49%)
HSVhsv(203, 66%, 73%)
CMYKcmyk(66.1%, 25.8%, 0%, 27.1%)
CIE-LABlab(54.84, -7.97, -31.94)
CIE-LCHlch(54.84, 32.92, 255.99°)
OKLaboklab(60.69% -0.0524 -0.0899)
OKLCHoklch(60.69% 0.104 239.7)
XYZxyz(19.9979, 22.7768, 49.7873)
Luminance0.2278 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8ABA #BA6F3F
analogous
#3FBAAD #3F8ABA #3F4CBA
triadic
#3F8ABA #BA3F8A #8ABA3F
tetradic
#3F8ABA #AD3FBA #BA6F3F #4CBA3F
square
#3F8ABA #AD3FBA #BA6F3F #4CBA3F
split-complementary
#3F8ABA #BA3F4C #BAAD3F
monochromatic
#20465F #30688C #3F8ABA #6AA6CC #97C1DC

Accessibility & contrast

On white

3.78
#3F8ABA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.56
#3F8ABA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ABA
5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8ABA#FFFFFF#000000##000000
##3F8ABA1.003.785.565.56
#FFFFFF3.781.0021.0021.00
#0000005.5621.001.001.00
##0000005.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#748ABC
Deuteranopia (green-blind)
#637EB9
Tritanopia (blue-blind)
#00969A
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #3f8aba;
/* rgb */ color: rgb(63, 138, 186);
/* oklch */ color: oklch(60.7% 0.104 239.7);
Tailwind
colors: {
  custom: {
    50: '#81accf',
    500: '#3f8aba',
    950: '#000000',
  },
}
SCSS
$custom: #3f8aba;
$custom-light: #81accf;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8aba",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 186
  },
  "hsl": {
    "h": 203.415,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.60694,
    "c": 0.10403,
    "h": 239.7
  },
  "luminance": 0.22779
}

Semantic roles & 50–950 ramp

primary
#3F8ABA
secondary
#C8A48D
accent
#854FD9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3F8ABA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8ABA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva