#3F82BF#3F82BF

#3F82BF is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 59.1% C 0.116 H 248.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#3F82BF
RGBrgb(63, 130, 191)
HSLhsl(209, 50%, 50%)
HSVhsv(209, 67%, 75%)
CMYKcmyk(67%, 31.9%, 0%, 25.1%)
CIE-LABlab(52.71, -1.60, -38.13)
CIE-LCHlch(52.71, 38.17, 267.59°)
OKLaboklab(59.09% -0.0426 -0.1079)
OKLCHoklch(59.09% 0.116 248.5)
XYZxyz(19.4330, 20.7816, 52.2672)
Luminance0.2078 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F82BF #BF7C3F
analogous
#3FBFBC #3F82BF #3F42BF
triadic
#3F82BF #BF3F82 #82BF3F
tetradic
#3F82BF #BC3FBF #BF7C3F #42BF3F
square
#3F82BF #BC3FBF #BF7C3F #42BF3F
split-complementary
#3F82BF #BF3F42 #BFBC3F
monochromatic
#214363 #306391 #3F82BF #6DA0CF #9BBEDE

Accessibility & contrast

On white

4.07
#3F82BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.16
#3F82BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82BF
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F82BF#FFFFFF#000000##000000
##3F82BF1.004.075.165.16
#FFFFFF4.071.0021.0021.00
#0000005.1621.001.001.00
##0000005.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6785C2
Deuteranopia (green-blind)
#5578BE
Tritanopia (blue-blind)
#009098
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3f82bf;
/* rgb */ color: rgb(63, 130, 191);
/* oklch */ color: oklch(59.1% 0.116 248.5);
Tailwind
colors: {
  custom: {
    50: '#81a6d2',
    500: '#3f82bf',
    950: '#000000',
  },
}
SCSS
$custom: #3f82bf;
$custom-light: #81a6d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3f82bf",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 191
  },
  "hsl": {
    "h": 208.594,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.59086,
    "c": 0.11599,
    "h": 248.5
  },
  "luminance": 0.20784
}

Semantic roles & 50–950 ramp

primary
#3F82BF
secondary
#CAAC90
accent
#914EDA
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #3F82BF

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

Preview Lab → · Contrast checker → · Palette generator →

#3F82BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva