#3767BD#3767BD

#3767BD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.6% C 0.145 H 261.0°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#3767BD
RGBrgb(55, 103, 189)
HSLhsl(219, 55%, 48%)
HSVhsv(219, 71%, 74%)
CMYKcmyk(70.9%, 45.5%, 0%, 25.9%)
CIE-LABlab(44.50, 13.04, -50.05)
CIE-LCHlch(44.50, 51.72, 284.60°)
OKLaboklab(52.57% -0.0226 -0.1433)
OKLCHoklch(52.57% 0.145 261)
XYZxyz(15.6078, 14.1852, 50.0497)
Luminance0.1419 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3767BD #BD8D37
analogous
#37AABD #3767BD #4A37BD
triadic
#3767BD #BD3767 #67BD37
tetradic
#3767BD #BD37AA #BD8D37 #37BD4A
square
#3767BD #BD37AA #BD8D37 #37BD4A
split-complementary
#3767BD #BD4A37 #AABD37
monochromatic
#1B335E #294D8E #3767BD #6089D1 #90ACDF

Accessibility & contrast

On white

5.47
#3767BD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.84
#3767BD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3767BD
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3767BD#FFFFFF#000000##FFFFFF
##3767BD1.005.473.845.47
#FFFFFF5.471.0021.001.00
#0000003.8421.001.0021.00
##FFFFFF5.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B70C0
Deuteranopia (green-blind)
#2063BB
Tritanopia (blue-blind)
#007B89
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3767bd;
/* rgb */ color: rgb(55, 103, 189);
/* oklch */ color: oklch(52.6% 0.145 261.0);
Tailwind
colors: {
  custom: {
    50: '#7e91d1',
    500: '#3767bd',
    950: '#000000',
  },
}
SCSS
$custom: #3767bd;
$custom-light: #7e91d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3767bd",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 189
  },
  "hsl": {
    "h": 218.507,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.52572,
    "c": 0.14507,
    "h": 261
  },
  "luminance": 0.14187
}

Semantic roles & 50–950 ramp

primary
#3767BD
secondary
#C9B186
accent
#A94ADE
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0B0C14
muted
#7C7D82

Preview Lab

Preview with #3767BD

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

Preview Lab → · Contrast checker → · Palette generator →

#3767BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva