#3B6DCC#3B6DCC

#3B6DCC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.0% C 0.157 H 261.8°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#3B6DCC
RGBrgb(59, 109, 204)
HSLhsl(219, 59%, 52%)
HSVhsv(219, 71%, 80%)
CMYKcmyk(71.1%, 46.6%, 0%, 20%)
CIE-LABlab(47.27, 15.31, -54.24)
CIE-LCHlch(47.27, 56.36, 285.77°)
OKLaboklab(55.05% -0.0224 -0.1554)
OKLCHoklch(55.05% 0.157 261.8)
XYZxyz(18.1675, 16.2248, 59.2893)
Luminance0.1623 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B6DCC #CC9A3B
analogous
#3BB6CC #3B6DCC #523BCC
triadic
#3B6DCC #CC3B6D #6DCC3B
tetradic
#3B6DCC #CC3BB6 #CC9A3B #3BCC52
square
#3B6DCC #CC3BB6 #CC9A3B #3BCC52
split-complementary
#3B6DCC #CC523B #B6CC3B
monochromatic
#1D3970 #2A53A0 #3B6DCC #6C91D9 #9CB5E5

Accessibility & contrast

On white

4.95
#3B6DCC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.25
#3B6DCC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6DCC
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B6DCC#FFFFFF#000000##FFFFFF
##3B6DCC1.004.954.254.95
#FFFFFF4.951.0021.001.00
#0000004.2521.001.0021.00
##FFFFFF4.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B77D0
Deuteranopia (green-blind)
#1A6ACA
Tritanopia (blue-blind)
#008392
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #3b6dcc;
/* rgb */ color: rgb(59, 109, 204);
/* oklch */ color: oklch(55.0% 0.157 261.8);
Tailwind
colors: {
  custom: {
    50: '#8296dc',
    500: '#3b6dcc',
    950: '#000000',
  },
}
SCSS
$custom: #3b6dcc;
$custom-light: #8296dc;
$custom-dark: #000000;
JSON
{
  "hex": "#3b6dcc",
  "rgb": {
    "r": 59,
    "g": 109,
    "b": 204
  },
  "hsl": {
    "h": 219.31,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55045,
    "c": 0.15706,
    "h": 261.8
  },
  "luminance": 0.16227
}

Semantic roles & 50–950 ramp

primary
#3B6DCC
secondary
#D1BB92
accent
#AC46E2
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3B6DCC

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

Preview Lab → · Contrast checker → · Palette generator →

#3B6DCC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva