#3F84D5#3F84D5

#3F84D5 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.8% C 0.142 H 254.2°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#3F84D5
RGBrgb(63, 132, 213)
HSLhsl(212, 64%, 54%)
HSVhsv(212, 70%, 84%)
CMYKcmyk(70.4%, 38%, 0%, 16.5%)
CIE-LABlab(54.41, 4.93, -47.94)
CIE-LCHlch(54.41, 48.19, 275.88°)
OKLaboklab(60.78% -0.0387 -0.1365)
OKLCHoklch(60.78% 0.142 254.2)
XYZxyz(22.3070, 22.3610, 66.0784)
Luminance0.2236 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F84D5 #D5903F
analogous
#3FCFD5 #3F84D5 #453FD5
triadic
#3F84D5 #D53F84 #84D53F
tetradic
#3F84D5 #D53FCF #D5903F #3FD545
square
#3F84D5 #D53FCF #D5903F #3FD545
split-complementary
#3F84D5 #D5453F #CFD53F
monochromatic
#1C497E #2766B0 #3F84D5 #71A4E0 #A3C4EB

Accessibility & contrast

On white

3.84
#3F84D5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.47
#3F84D5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84D5
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F84D5#FFFFFF#000000##000000
##3F84D51.003.845.475.47
#FFFFFF3.841.0021.0021.00
#0000005.4721.001.001.00
##0000005.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F8AD8
Deuteranopia (green-blind)
#487CD3
Tritanopia (blue-blind)
#0097A2
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3f84d5;
/* rgb */ color: rgb(63, 132, 213);
/* oklch */ color: oklch(60.8% 0.142 254.2);
Tailwind
colors: {
  custom: {
    50: '#85a7e2',
    500: '#3f84d5',
    950: '#000000',
  },
}
SCSS
$custom: #3f84d5;
$custom-light: #85a7e2;
$custom-dark: #000000;
JSON
{
  "hex": "#3f84d5",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 213
  },
  "hsl": {
    "h": 212.4,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60783,
    "c": 0.1419,
    "h": 254.2
  },
  "luminance": 0.22363
}

Semantic roles & 50–950 ramp

primary
#3F84D5
secondary
#D8BA98
accent
#9B41E7
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3F84D5

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

Preview Lab → · Contrast checker → · Palette generator →

#3F84D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva