#3B6CD3#3B6CD3

#3B6CD3 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.168 H 263.0°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#3B6CD3
RGBrgb(59, 108, 211)
HSLhsl(221, 63%, 53%)
HSVhsv(221, 72%, 83%)
CMYKcmyk(72%, 48.8%, 0%, 17.3%)
CIE-LABlab(47.44, 18.50, -57.96)
CIE-LCHlch(47.44, 60.84, 287.70°)
OKLaboklab(55.32% -0.0205 -0.1664)
OKLCHoklch(55.32% 0.168 263)
XYZxyz(18.9199, 16.3561, 63.7753)
Luminance0.1636 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B6CD3 #D3A23B
analogous
#3BB8D3 #3B6CD3 #563BD3
triadic
#3B6CD3 #D33B6C #6CD33B
tetradic
#3B6CD3 #D33BB8 #D3A23B #3BD356
square
#3B6CD3 #D33BB8 #D3A23B #3BD356
split-complementary
#3B6CD3 #D3563B #B8D33B
monochromatic
#1B3979 #2651AB #3B6CD3 #6D91DE #9FB7E9

Accessibility & contrast

On white

4.92
#3B6CD3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.27
#3B6CD3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6CD3
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B6CD3#FFFFFF#000000##FFFFFF
##3B6CD31.004.924.274.92
#FFFFFF4.921.0021.001.00
#0000004.2721.001.0021.00
##FFFFFF4.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3178D7
Deuteranopia (green-blind)
#006AD1
Tritanopia (blue-blind)
#008495
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3b6cd3;
/* rgb */ color: rgb(59, 108, 211);
/* oklch */ color: oklch(55.3% 0.168 263.0);
Tailwind
colors: {
  custom: {
    50: '#8495e1',
    500: '#3b6cd3',
    950: '#000000',
  },
}
SCSS
$custom: #3b6cd3;
$custom-light: #8495e1;
$custom-dark: #000000;
JSON
{
  "hex": "#3b6cd3",
  "rgb": {
    "r": 59,
    "g": 108,
    "b": 211
  },
  "hsl": {
    "h": 220.658,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55319,
    "c": 0.16769,
    "h": 263
  },
  "luminance": 0.16358
}

Semantic roles & 50–950 ramp

primary
#3B6CD3
secondary
#D6C194
accent
#B141E6
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3B6CD3

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

Preview Lab → · Contrast checker → · Palette generator →

#3B6CD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva