#3790BC#3790BC

#3790BC is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.9% C 0.106 H 233.9°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#3790BC
RGBrgb(55, 144, 188)
HSLhsl(200, 55%, 48%)
HSVhsv(200, 71%, 74%)
CMYKcmyk(70.7%, 23.4%, 0%, 26.3%)
CIE-LABlab(56.47, -11.94, -30.56)
CIE-LCHlch(56.47, 32.81, 248.66°)
OKLaboklab(61.95% -0.0627 -0.0859)
OKLCHoklch(61.95% 0.106 233.9)
XYZxyz(20.6223, 24.3873, 51.1876)
Luminance0.2439 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3790BC #BC6337
analogous
#37BCA6 #3790BC #374DBC
triadic
#3790BC #BC3790 #90BC37
tetradic
#3790BC #A637BC #BC6337 #4DBC37
square
#3790BC #A637BC #BC6337 #4DBC37
split-complementary
#3790BC #BC374D #BCA637
monochromatic
#1B475D #296C8D #3790BC #60ABD0 #8FC4DE

Accessibility & contrast

On white

3.57
#3790BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.88
#3790BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3790BC
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3790BC#FFFFFF#000000##000000
##3790BC1.003.575.885.88
#FFFFFF3.571.0021.0021.00
#0000005.8821.001.001.00
##0000005.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8FBE
Deuteranopia (green-blind)
#6882BB
Tritanopia (blue-blind)
#009C9F
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3790bc;
/* rgb */ color: rgb(55, 144, 188);
/* oklch */ color: oklch(61.9% 0.106 233.9);
Tailwind
colors: {
  custom: {
    50: '#7eb0d0',
    500: '#3790bc',
    950: '#000000',
  },
}
SCSS
$custom: #3790bc;
$custom-light: #7eb0d0;
$custom-dark: #000000;
JSON
{
  "hex": "#3790bc",
  "rgb": {
    "r": 55,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 199.85,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61949,
    "c": 0.10635,
    "h": 233.9
  },
  "luminance": 0.2439
}

Semantic roles & 50–950 ramp

primary
#3790BC
secondary
#C99C86
accent
#7B4ADE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3790BC

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

Preview Lab → · Contrast checker → · Palette generator →

#3790BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva