#3873AD#3873AD

#3873AD is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.110 H 250.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#3873AD
RGBrgb(56, 115, 173)
HSLhsl(210, 51%, 45%)
HSVhsv(210, 68%, 68%)
CMYKcmyk(67.6%, 33.5%, 0%, 32.2%)
CIE-LABlab(47.13, -0.11, -36.55)
CIE-LCHlch(47.13, 36.55, 269.83°)
OKLaboklab(54.34% -0.0373 -0.1035)
OKLCHoklch(54.34% 0.11 250.2)
XYZxyz(15.3016, 16.1178, 41.8317)
Luminance0.1612 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3873AD #AD7238
analogous
#38ADAD #3873AD #3838AD
triadic
#3873AD #AD3873 #73AD38
tetradic
#3873AD #AD38AD #AD7238 #38AD38
square
#3873AD #AD38AD #AD7238 #38AD38
split-complementary
#3873AD #AD3838 #ADAD38
monochromatic
#1A3651 #29547F #3873AD #5992C9 #87B0D8

Accessibility & contrast

On white

4.97
#3873AD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.22
#3873AD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3873AD
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3873AD#FFFFFF#000000##FFFFFF
##3873AD1.004.974.224.97
#FFFFFF4.971.0021.001.00
#0000004.2221.001.0021.00
##FFFFFF4.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5976AF
Deuteranopia (green-blind)
#496BAC
Tritanopia (blue-blind)
#008188
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #3873ad;
/* rgb */ color: rgb(56, 115, 173);
/* oklch */ color: oklch(54.3% 0.110 250.2);
Tailwind
colors: {
  custom: {
    50: '#7b9bc5',
    500: '#3873ad',
    950: '#000000',
  },
}
SCSS
$custom: #3873ad;
$custom-light: #7b9bc5;
$custom-dark: #000000;
JSON
{
  "hex": "#3873ad",
  "rgb": {
    "r": 56,
    "g": 115,
    "b": 173
  },
  "hsl": {
    "h": 209.744,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54337,
    "c": 0.11006,
    "h": 250.2
  },
  "luminance": 0.16119
}

Semantic roles & 50–950 ramp

primary
#3873AD
secondary
#C2A07F
accent
#934DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3873AD

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

Preview Lab → · Contrast checker → · Palette generator →

#3873AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva