#3F84BF#3F84BF

#3F84BF is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.114 H 247.0°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#3F84BF
RGBrgb(63, 132, 191)
HSLhsl(208, 50%, 50%)
HSVhsv(208, 67%, 75%)
CMYKcmyk(67%, 30.9%, 0%, 25.1%)
CIE-LABlab(53.30, -2.78, -37.21)
CIE-LCHlch(53.30, 37.31, 265.72°)
OKLaboklab(59.55% -0.0446 -0.1052)
OKLCHoklch(59.55% 0.114 247)
XYZxyz(19.7016, 21.3188, 52.3568)
Luminance0.2132 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F84BF #BF7A3F
analogous
#3FBFBA #3F84BF #3F44BF
triadic
#3F84BF #BF3F84 #84BF3F
tetradic
#3F84BF #BA3FBF #BF7A3F #44BF3F
square
#3F84BF #BA3FBF #BF7A3F #44BF3F
split-complementary
#3F84BF #BF3F44 #BFBA3F
monochromatic
#214463 #306491 #3F84BF #6DA1CF #9BBFDE

Accessibility & contrast

On white

3.99
#3F84BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.26
#3F84BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84BF
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F84BF#FFFFFF#000000##000000
##3F84BF1.003.995.265.26
#FFFFFF3.991.0021.0021.00
#0000005.2621.001.001.00
##0000005.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A86C2
Deuteranopia (green-blind)
#587ABE
Tritanopia (blue-blind)
#009299
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3f84bf;
/* rgb */ color: rgb(63, 132, 191);
/* oklch */ color: oklch(59.5% 0.114 247.0);
Tailwind
colors: {
  custom: {
    50: '#82a7d2',
    500: '#3f84bf',
    950: '#000000',
  },
}
SCSS
$custom: #3f84bf;
$custom-light: #82a7d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3f84bf",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 191
  },
  "hsl": {
    "h": 207.656,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.59548,
    "c": 0.11427,
    "h": 247
  },
  "luminance": 0.21321
}

Semantic roles & 50–950 ramp

primary
#3F84BF
secondary
#CAAB90
accent
#8E4EDA
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #3F84BF

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

Preview Lab → · Contrast checker → · Palette generator →

#3F84BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva