#3B6DD5#3B6DD5

#3B6DD5 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.7% C 0.169 H 262.8°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#3B6DD5
RGBrgb(59, 109, 213)
HSLhsl(221, 65%, 53%)
HSVhsv(221, 72%, 84%)
CMYKcmyk(72.3%, 48.8%, 0%, 16.5%)
CIE-LABlab(47.84, 18.60, -58.45)
CIE-LCHlch(47.84, 61.34, 287.65°)
OKLaboklab(55.67% -0.0211 -0.1679)
OKLCHoklch(55.67% 0.169 262.8)
XYZxyz(19.2782, 16.6691, 65.1393)
Luminance0.1667 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B6DD5 #D5A33B
analogous
#3BBAD5 #3B6DD5 #563BD5
triadic
#3B6DD5 #D53B6D #6DD53B
tetradic
#3B6DD5 #D53BBA #D5A33B #3BD556
square
#3B6DD5 #D53BBA #D5A33B #3BD556
split-complementary
#3B6DD5 #D5563B #BAD53B
monochromatic
#1A3A7B #2551AE #3B6DD5 #6D93E0 #A0B8EB

Accessibility & contrast

On white

4.85
#3B6DD5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.33
#3B6DD5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6DD5
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B6DD5#FFFFFF#000000##FFFFFF
##3B6DD51.004.854.334.85
#FFFFFF4.851.0021.001.00
#0000004.3321.001.0021.00
##FFFFFF4.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3279D9
Deuteranopia (green-blind)
#006BD3
Tritanopia (blue-blind)
#008697
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #3b6dd5;
/* rgb */ color: rgb(59, 109, 213);
/* oklch */ color: oklch(55.7% 0.169 262.8);
Tailwind
colors: {
  custom: {
    50: '#8496e3',
    500: '#3b6dd5',
    950: '#000000',
  },
}
SCSS
$custom: #3b6dd5;
$custom-light: #8496e3;
$custom-dark: #000000;
JSON
{
  "hex": "#3b6dd5",
  "rgb": {
    "r": 59,
    "g": 109,
    "b": 213
  },
  "hsl": {
    "h": 220.519,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.16918,
    "h": 262.8
  },
  "luminance": 0.16671
}

Semantic roles & 50–950 ramp

primary
#3B6DD5
secondary
#D7C295
accent
#B140E8
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3B6DD5

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

Preview Lab → · Contrast checker → · Palette generator →

#3B6DD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva