#3789C5#3789C5

#3789C5 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.8% C 0.121 H 244.0°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX#3789C5
RGBrgb(55, 137, 197)
HSLhsl(205, 56%, 49%)
HSVhsv(205, 72%, 77%)
CMYKcmyk(72.1%, 30.5%, 0%, 22.7%)
CIE-LABlab(54.80, -4.84, -38.29)
CIE-LCHlch(54.80, 38.59, 262.80°)
OKLaboklab(60.75% -0.0528 -0.1084)
OKLCHoklch(60.75% 0.121 244)
XYZxyz(20.5954, 22.7324, 56.1149)
Luminance0.2273 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3789C5 #C57337
analogous
#37C5BA #3789C5 #3742C5
triadic
#3789C5 #C53789 #89C537
tetradic
#3789C5 #BA37C5 #C57337 #42C537
square
#3789C5 #BA37C5 #C57337 #42C537
split-complementary
#3789C5 #C53742 #C5BA37
monochromatic
#1C4665 #2A6895 #3789C5 #65A5D4 #95C1E1

Accessibility & contrast

On white

3.79
#3789C5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.55
#3789C5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789C5
5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3789C5#FFFFFF#000000##000000
##3789C51.003.795.555.55
#FFFFFF3.791.0021.0021.00
#0000005.5521.001.001.00
##0000005.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E8BC8
Deuteranopia (green-blind)
#5A7DC4
Tritanopia (blue-blind)
#00989E
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #3789c5;
/* rgb */ color: rgb(55, 137, 197);
/* oklch */ color: oklch(60.8% 0.121 244.0);
Tailwind
colors: {
  custom: {
    50: '#7fabd7',
    500: '#3789c5',
    950: '#000000',
  },
}
SCSS
$custom: #3789c5;
$custom-light: #7fabd7;
$custom-dark: #000000;
JSON
{
  "hex": "#3789c5",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 197
  },
  "hsl": {
    "h": 205.352,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.60752,
    "c": 0.12055,
    "h": 244
  },
  "luminance": 0.22735
}

Semantic roles & 50–950 ramp

primary
#3789C5
secondary
#CDA78B
accent
#8848E0
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #3789C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3789C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva