#3B6ECB#3B6ECB

#3B6ECB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.155 H 261.3°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#3B6ECB
RGBrgb(59, 110, 203)
HSLhsl(219, 58%, 51%)
HSVhsv(219, 71%, 80%)
CMYKcmyk(70.9%, 45.8%, 0%, 20.4%)
CIE-LABlab(47.48, 14.32, -53.32)
CIE-LCHlch(47.48, 55.20, 285.03°)
OKLaboklab(55.19% -0.0235 -0.1527)
OKLCHoklch(55.19% 0.155 261.3)
XYZxyz(18.1552, 16.3915, 58.6954)
Luminance0.1639 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B6ECB #CB983B
analogous
#3BB6CB #3B6ECB #503BCB
triadic
#3B6ECB #CB3B6E #6ECB3B
tetradic
#3B6ECB #CB3BB6 #CB983B #3BCB50
square
#3B6ECB #CB3BB6 #CB983B #3BCB50
split-complementary
#3B6ECB #CB503B #B6CB3B
monochromatic
#1D3A6E #2A539F #3B6ECB #6B92D8 #9CB6E5

Accessibility & contrast

On white

4.91
#3B6ECB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.28
#3B6ECB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6ECB
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B6ECB#FFFFFF#000000##FFFFFF
##3B6ECB1.004.914.284.91
#FFFFFF4.911.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E78CF
Deuteranopia (green-blind)
#206AC9
Tritanopia (blue-blind)
#008492
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3b6ecb;
/* rgb */ color: rgb(59, 110, 203);
/* oklch */ color: oklch(55.2% 0.155 261.3);
Tailwind
colors: {
  custom: {
    50: '#8297db',
    500: '#3b6ecb',
    950: '#000000',
  },
}
SCSS
$custom: #3b6ecb;
$custom-light: #8297db;
$custom-dark: #000000;
JSON
{
  "hex": "#3b6ecb",
  "rgb": {
    "r": 59,
    "g": 110,
    "b": 203
  },
  "hsl": {
    "h": 218.75,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55191,
    "c": 0.15452,
    "h": 261.3
  },
  "luminance": 0.16393
}

Semantic roles & 50–950 ramp

primary
#3B6ECB
secondary
#D1BA91
accent
#AA47E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3B6ECB

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

Preview Lab → · Contrast checker → · Palette generator →

#3B6ECB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva