#3F8ACE#3F8ACE

#3F8ACE is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.7% C 0.127 H 248.7°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#3F8ACE
RGBrgb(63, 138, 206)
HSLhsl(209, 59%, 53%)
HSVhsv(209, 69%, 81%)
CMYKcmyk(69.4%, 33%, 0%, 19.2%)
CIE-LABlab(55.77, -1.10, -41.83)
CIE-LCHlch(55.77, 41.84, 268.49°)
OKLaboklab(61.73% -0.0463 -0.1186)
OKLCHoklch(61.73% 0.127 248.7)
XYZxyz(22.2748, 23.6876, 61.7788)
Luminance0.2369 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8ACE #CE833F
analogous
#3FCECA #3F8ACE #3F43CE
triadic
#3F8ACE #CE3F8A #8ACE3F
tetradic
#3F8ACE #CA3FCE #CE833F #43CE3F
square
#3F8ACE #CA3FCE #CE833F #43CE3F
split-complementary
#3F8ACE #CE3F43 #CECA3F
monochromatic
#1E4B75 #2A6BA6 #3F8ACE #70A8DA #A1C5E7

Accessibility & contrast

On white

3.66
#3F8ACE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#3F8ACE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ACE
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8ACE#FFFFFF#000000##000000
##3F8ACE1.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C8DD1
Deuteranopia (green-blind)
#5780CD
Tritanopia (blue-blind)
#009AA2
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #3f8ace;
/* rgb */ color: rgb(63, 138, 206);
/* oklch */ color: oklch(61.7% 0.127 248.7);
Tailwind
colors: {
  custom: {
    50: '#84abdd',
    500: '#3f8ace',
    950: '#000000',
  },
}
SCSS
$custom: #3f8ace;
$custom-light: #84abdd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8ace",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 206
  },
  "hsl": {
    "h": 208.531,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61735,
    "c": 0.12728,
    "h": 248.7
  },
  "luminance": 0.2369
}

Semantic roles & 50–950 ramp

primary
#3F8ACE
secondary
#D3B395
accent
#9045E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8ACE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8ACE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva