#3769BE#3769BE

#3769BE is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.1% C 0.144 H 260.3°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX#3769BE
RGBrgb(55, 105, 190)
HSLhsl(218, 55%, 48%)
HSVhsv(218, 71%, 75%)
CMYKcmyk(71.1%, 44.7%, 0%, 25.5%)
CIE-LABlab(45.13, 12.13, -49.62)
CIE-LCHlch(45.13, 51.08, 283.74°)
OKLaboklab(53.08% -0.0243 -0.142)
OKLCHoklch(53.08% 0.144 260.3)
XYZxyz(15.9180, 14.6314, 50.6904)
Luminance0.1463 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3769BE #BE8C37
analogous
#37ACBE #3769BE #4937BE
triadic
#3769BE #BE3769 #69BE37
tetradic
#3769BE #BE37AC #BE8C37 #37BE49
square
#3769BE #BE37AC #BE8C37 #37BE49
split-complementary
#3769BE #BE4937 #ACBE37
monochromatic
#1C355F #294F8F #3769BE #618BD1 #90AEDF

Accessibility & contrast

On white

5.35
#3769BE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#3769BE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769BE
5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3769BE#FFFFFF#000000##FFFFFF
##3769BE1.005.353.935.35
#FFFFFF5.351.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F71C1
Deuteranopia (green-blind)
#2565BC
Tritanopia (blue-blind)
#007D8A
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #3769be;
/* rgb */ color: rgb(55, 105, 190);
/* oklch */ color: oklch(53.1% 0.144 260.3);
Tailwind
colors: {
  custom: {
    50: '#7e93d2',
    500: '#3769be',
    950: '#000000',
  },
}
SCSS
$custom: #3769be;
$custom-light: #7e93d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3769be",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 190
  },
  "hsl": {
    "h": 217.778,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53075,
    "c": 0.14407,
    "h": 260.3
  },
  "luminance": 0.14633
}

Semantic roles & 50–950 ramp

primary
#3769BE
secondary
#CAB187
accent
#A749DE
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82

Preview Lab

Preview with #3769BE

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

Preview Lab → · Contrast checker → · Palette generator →

#3769BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva