#3789C4#3789C4

#3789C4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.119 H 243.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#3789C4
RGBrgb(55, 137, 196)
HSLhsl(205, 56%, 49%)
HSVhsv(205, 72%, 77%)
CMYKcmyk(71.9%, 30.1%, 0%, 23.1%)
CIE-LABlab(54.75, -5.19, -37.80)
CIE-LCHlch(54.75, 38.15, 262.18°)
OKLaboklab(60.7% -0.0531 -0.1069)
OKLCHoklch(60.7% 0.119 243.6)
XYZxyz(20.4812, 22.6868, 55.5134)
Luminance0.2269 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3789C4 #C47237
analogous
#37C4B8 #3789C4 #3743C4
triadic
#3789C4 #C43789 #89C437
tetradic
#3789C4 #B837C4 #C47237 #43C437
square
#3789C4 #B837C4 #C47237 #43C437
split-complementary
#3789C4 #C43743 #C4B837
monochromatic
#1C4664 #2A6894 #3789C4 #65A5D4 #94C1E1

Accessibility & contrast

On white

3.79
#3789C4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.54
#3789C4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789C4
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3789C4#FFFFFF#000000##000000
##3789C41.003.795.545.54
#FFFFFF3.791.0021.0021.00
#0000005.5421.001.001.00
##0000005.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E8AC7
Deuteranopia (green-blind)
#5B7DC3
Tritanopia (blue-blind)
#00979E
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #3789c4;
/* rgb */ color: rgb(55, 137, 196);
/* oklch */ color: oklch(60.7% 0.119 243.6);
Tailwind
colors: {
  custom: {
    50: '#7fabd6',
    500: '#3789c4',
    950: '#000000',
  },
}
SCSS
$custom: #3789c4;
$custom-light: #7fabd6;
$custom-dark: #000000;
JSON
{
  "hex": "#3789c4",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 196
  },
  "hsl": {
    "h": 205.106,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.60699,
    "c": 0.1194,
    "h": 243.6
  },
  "luminance": 0.22689
}

Semantic roles & 50–950 ramp

primary
#3789C4
secondary
#CCA68B
accent
#8848DF
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #3789C4

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

Preview Lab → · Contrast checker → · Palette generator →

#3789C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva