#3769B2#3769B2

#3769B2 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.3% C 0.128 H 257.9°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#3769B2
RGBrgb(55, 105, 178)
HSLhsl(216, 53%, 46%)
HSVhsv(216, 69%, 70%)
CMYKcmyk(69.1%, 41%, 0%, 30.2%)
CIE-LABlab(44.42, 7.73, -43.77)
CIE-LCHlch(44.42, 44.45, 280.02°)
OKLaboklab(52.3% -0.0267 -0.1248)
OKLCHoklch(52.3% 0.128 257.9)
XYZxyz(14.6601, 14.1282, 44.0653)
Luminance0.1413 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3769B2 #B28037
analogous
#37A6B2 #3769B2 #4237B2
triadic
#3769B2 #B23769 #69B237
tetradic
#3769B2 #B237A6 #B28037 #37B242
square
#3769B2 #B237A6 #B28037 #37B242
split-complementary
#3769B2 #B24237 #A6B237
monochromatic
#1A3254 #294D83 #3769B2 #5A88CC #89AADB

Accessibility & contrast

On white

5.49
#3769B2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.83
#3769B2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3769B2
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3769B2#FFFFFF#000000##FFFFFF
##3769B21.005.493.835.49
#FFFFFF5.491.0021.001.00
#0000003.8321.001.0021.00
##FFFFFF5.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#476FB5
Deuteranopia (green-blind)
#3464B1
Tritanopia (blue-blind)
#007A85
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3769b2;
/* rgb */ color: rgb(55, 105, 178);
/* oklch */ color: oklch(52.3% 0.128 257.9);
Tailwind
colors: {
  custom: {
    50: '#7c93c9',
    500: '#3769b2',
    950: '#000000',
  },
}
SCSS
$custom: #3769b2;
$custom-light: #7c93c9;
$custom-dark: #000000;
JSON
{
  "hex": "#3769b2",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 178
  },
  "hsl": {
    "h": 215.61,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52297,
    "c": 0.12765,
    "h": 257.9
  },
  "luminance": 0.1413
}

Semantic roles & 50–950 ramp

primary
#3769B2
secondary
#C5A980
accent
#A14CDC
background
#F8F9FC
surface
#EFF1F8
border
#CACBD1
text
#0B0D13
muted
#7C7E82

Preview Lab

Preview with #3769B2

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

Preview Lab → · Contrast checker → · Palette generator →

#3769B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva