#3F84CE#3F84CE

#3F84CE is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.4% C 0.133 H 252.3°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#3F84CE
RGBrgb(63, 132, 206)
HSLhsl(211, 59%, 53%)
HSVhsv(211, 69%, 81%)
CMYKcmyk(69.4%, 35.9%, 0%, 19.2%)
CIE-LABlab(54.04, 2.46, -44.56)
CIE-LCHlch(54.04, 44.63, 273.15°)
OKLaboklab(60.38% -0.0404 -0.1267)
OKLCHoklch(60.38% 0.133 252.3)
XYZxyz(21.4376, 22.0132, 61.4997)
Luminance0.2202 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F84CE #CE893F
analogous
#3FCBCE #3F84CE #413FCE
triadic
#3F84CE #CE3F84 #84CE3F
tetradic
#3F84CE #CE3FCB #CE893F #3FCE41
square
#3F84CE #CE3FCB #CE893F #3FCE41
split-complementary
#3F84CE #CE413F #CBCE3F
monochromatic
#1E4875 #2A66A6 #3F84CE #70A3DA #A1C2E7

Accessibility & contrast

On white

3.89
#3F84CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.40
#3F84CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84CE
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F84CE#FFFFFF#000000##000000
##3F84CE1.003.895.405.40
#FFFFFF3.891.0021.0021.00
#0000005.4021.001.001.00
##0000005.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6389D1
Deuteranopia (green-blind)
#4E7BCD
Tritanopia (blue-blind)
#00959F
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #3f84ce;
/* rgb */ color: rgb(63, 132, 206);
/* oklch */ color: oklch(60.4% 0.133 252.3);
Tailwind
colors: {
  custom: {
    50: '#84a7dd',
    500: '#3f84ce',
    950: '#000000',
  },
}
SCSS
$custom: #3f84ce;
$custom-light: #84a7dd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f84ce",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 206
  },
  "hsl": {
    "h": 211.049,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.60377,
    "c": 0.13295,
    "h": 252.3
  },
  "luminance": 0.22016
}

Semantic roles & 50–950 ramp

primary
#3F84CE
secondary
#D3B595
accent
#9745E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3F84CE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F84CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva