#3783AD#3783AD

#3783AD is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.1% C 0.098 H 236.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#3783AD
RGBrgb(55, 131, 173)
HSLhsl(201, 52%, 45%)
HSVhsv(201, 68%, 68%)
CMYKcmyk(68.2%, 24.3%, 0%, 32.2%)
CIE-LABlab(51.91, -9.71, -29.08)
CIE-LCHlch(51.91, 30.65, 251.54°)
OKLaboklab(58.1% -0.0546 -0.0817)
OKLCHoklch(58.1% 0.098 236.2)
XYZxyz(17.2317, 20.0601, 42.4909)
Luminance0.2006 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3783AD #AD6137
analogous
#37AD9C #3783AD #3748AD
triadic
#3783AD #AD3783 #83AD37
tetradic
#3783AD #9C37AD #AD6137 #48AD37
square
#3783AD #9C37AD #AD6137 #48AD37
split-complementary
#3783AD #AD3748 #AD9C37
monochromatic
#193D50 #28607F #3783AD #57A1CA #86BBD8

Accessibility & contrast

On white

4.19
#3783AD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#3783AD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783AD
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3783AD#FFFFFF#000000##000000
##3783AD1.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F82AF
Deuteranopia (green-blind)
#5F77AC
Tritanopia (blue-blind)
#008E91
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3783ad;
/* rgb */ color: rgb(55, 131, 173);
/* oklch */ color: oklch(58.1% 0.098 236.2);
Tailwind
colors: {
  custom: {
    50: '#7ba7c5',
    500: '#3783ad',
    950: '#000000',
  },
}
SCSS
$custom: #3783ad;
$custom-light: #7ba7c5;
$custom-dark: #000000;
JSON
{
  "hex": "#3783ad",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 173
  },
  "hsl": {
    "h": 201.356,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.58101,
    "c": 0.0983,
    "h": 236.2
  },
  "luminance": 0.20062
}

Semantic roles & 50–950 ramp

primary
#3783AD
secondary
#C2967D
accent
#7F4DDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #3783AD

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

Preview Lab → · Contrast checker → · Palette generator →

#3783AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva