#3769C7#3769C7

#3769C7 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.7% C 0.156 H 261.6°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX#3769C7
RGBrgb(55, 105, 199)
HSLhsl(219, 57%, 50%)
HSVhsv(219, 72%, 78%)
CMYKcmyk(72.4%, 47.2%, 0%, 22%)
CIE-LABlab(45.69, 15.45, -53.92)
CIE-LCHlch(45.69, 56.09, 285.99°)
OKLaboklab(53.69% -0.0227 -0.1546)
OKLCHoklch(53.69% 0.156 261.6)
XYZxyz(16.9322, 15.0371, 56.0318)
Luminance0.1504 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3769C7 #C79537
analogous
#37B1C7 #3769C7 #4D37C7
triadic
#3769C7 #C73769 #69C737
tetradic
#3769C7 #C737B1 #C79537 #37C74D
square
#3769C7 #C737B1 #C79537 #37C74D
split-complementary
#3769C7 #C74D37 #B1C737
monochromatic
#1C3667 #2A5097 #3769C7 #668DD5 #96B1E2

Accessibility & contrast

On white

5.24
#3769C7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#3769C7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769C7
5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3769C7#FFFFFF#000000##FFFFFF
##3769C71.005.244.015.24
#FFFFFF5.241.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3673CA
Deuteranopia (green-blind)
#1166C5
Tritanopia (blue-blind)
#007F8E
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3769c7;
/* rgb */ color: rgb(55, 105, 199);
/* oklch */ color: oklch(53.7% 0.156 261.6);
Tailwind
colors: {
  custom: {
    50: '#8093d9',
    500: '#3769c7',
    950: '#000000',
  },
}
SCSS
$custom: #3769c7;
$custom-light: #8093d9;
$custom-dark: #000000;
JSON
{
  "hex": "#3769c7",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 199
  },
  "hsl": {
    "h": 219.167,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.53686,
    "c": 0.15631,
    "h": 261.6
  },
  "luminance": 0.15039
}

Semantic roles & 50–950 ramp

primary
#3769C7
secondary
#CDB78C
accent
#AB48E0
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0D15
muted
#7D7D83

Preview Lab

Preview with #3769C7

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

Preview Lab → · Contrast checker → · Palette generator →

#3769C7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva