#3763AE#3763AE

#3763AE is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.129 H 260.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#3763AE
RGBrgb(55, 99, 174)
HSLhsl(218, 52%, 45%)
HSVhsv(218, 68%, 68%)
CMYKcmyk(68.4%, 43.1%, 0%, 31.8%)
CIE-LABlab(42.45, 10.07, -44.57)
CIE-LCHlch(42.45, 45.69, 282.74°)
OKLaboklab(50.7% -0.0216 -0.1273)
OKLCHoklch(50.7% 0.129 260.4)
XYZxyz(13.6746, 12.7905, 41.7843)
Luminance0.1279 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3763AE #AE8237
analogous
#379FAE #3763AE #4637AE
triadic
#3763AE #AE3763 #63AE37
tetradic
#3763AE #AE379F #AE8237 #37AE46
square
#3763AE #AE379F #AE8237 #37AE46
split-complementary
#3763AE #AE4637 #9FAE37
monochromatic
#1A2E51 #28497F #3763AE #5882CA #86A5D9

Accessibility & contrast

On white

5.90
#3763AE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.56
#3763AE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763AE
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3763AE#FFFFFF#000000##FFFFFF
##3763AE1.005.903.565.90
#FFFFFF5.901.0021.001.00
#0000003.5621.001.0021.00
##FFFFFF5.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F6AB1
Deuteranopia (green-blind)
#2C5FAC
Tritanopia (blue-blind)
#007480
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #3763ae;
/* rgb */ color: rgb(55, 99, 174);
/* oklch */ color: oklch(50.7% 0.129 260.4);
Tailwind
colors: {
  custom: {
    50: '#7b8ec6',
    500: '#3763ae',
    950: '#000000',
  },
}
SCSS
$custom: #3763ae;
$custom-light: #7b8ec6;
$custom-dark: #000000;
JSON
{
  "hex": "#3763ae",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 174
  },
  "hsl": {
    "h": 217.815,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50696,
    "c": 0.12909,
    "h": 260.4
  },
  "luminance": 0.12792
}

Semantic roles & 50–950 ramp

primary
#3763AE
secondary
#C3A97E
accent
#A74CDB
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0A0C13
muted
#7C7D82

Preview Lab

Preview with #3763AE

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

Preview Lab → · Contrast checker → · Palette generator →

#3763AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva