#3B6CCB#3B6CCB

#3B6CCB is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.8% C 0.157 H 262.1°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#3B6CCB
RGBrgb(59, 108, 203)
HSLhsl(220, 58%, 51%)
HSVhsv(220, 71%, 80%)
CMYKcmyk(70.9%, 46.8%, 0%, 20.4%)
CIE-LABlab(46.93, 15.58, -54.21)
CIE-LCHlch(46.93, 56.40, 286.03°)
OKLaboklab(54.77% -0.0217 -0.1554)
OKLCHoklch(54.77% 0.157 262.1)
XYZxyz(17.9418, 15.9648, 58.6243)
Luminance0.1597 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B6CCB #CB9A3B
analogous
#3BB4CB #3B6CCB #523BCB
triadic
#3B6CCB #CB3B6C #6CCB3B
tetradic
#3B6CCB #CB3BB4 #CB9A3B #3BCB52
square
#3B6CCB #CB3BB4 #CB9A3B #3BCB52
split-complementary
#3B6CCB #CB523B #B4CB3B
monochromatic
#1D396E #2A529F #3B6CCB #6B90D8 #9CB5E5

Accessibility & contrast

On white

5.01
#3B6CCB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.19
#3B6CCB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6CCB
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B6CCB#FFFFFF#000000##FFFFFF
##3B6CCB1.005.014.195.01
#FFFFFF5.011.0021.001.00
#0000004.1921.001.0021.00
##FFFFFF5.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A76CF
Deuteranopia (green-blind)
#1869C9
Tritanopia (blue-blind)
#008292
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #3b6ccb;
/* rgb */ color: rgb(59, 108, 203);
/* oklch */ color: oklch(54.8% 0.157 262.1);
Tailwind
colors: {
  custom: {
    50: '#8295db',
    500: '#3b6ccb',
    950: '#000000',
  },
}
SCSS
$custom: #3b6ccb;
$custom-light: #8295db;
$custom-dark: #000000;
JSON
{
  "hex": "#3b6ccb",
  "rgb": {
    "r": 59,
    "g": 108,
    "b": 203
  },
  "hsl": {
    "h": 219.583,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.54765,
    "c": 0.1569,
    "h": 262.1
  },
  "luminance": 0.15967
}

Semantic roles & 50–950 ramp

primary
#3B6CCB
secondary
#D1BB91
accent
#AD47E1
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3B6CCB

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

Preview Lab → · Contrast checker → · Palette generator →

#3B6CCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva