#3786B8#3786B8

#3786B8 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.4% C 0.108 H 240.1°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#3786B8
RGBrgb(55, 134, 184)
HSLhsl(203, 54%, 47%)
HSVhsv(203, 70%, 72%)
CMYKcmyk(70.1%, 27.2%, 0%, 27.8%)
CIE-LABlab(53.30, -7.64, -33.22)
CIE-LCHlch(53.30, 34.09, 257.05°)
OKLaboklab(59.37% -0.054 -0.0937)
OKLCHoklch(59.37% 0.108 240.1)
XYZxyz(18.7490, 21.3211, 48.4654)
Luminance0.2132 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3786B8 #B86937
analogous
#37B8AA #3786B8 #3745B8
triadic
#3786B8 #B83786 #86B837
tetradic
#3786B8 #AA37B8 #B86937 #45B837
square
#3786B8 #AA37B8 #B86937 #45B837
split-complementary
#3786B8 #B83745 #B8AA37
monochromatic
#1B415A #296489 #3786B8 #5DA3CF #8DBEDD

Accessibility & contrast

On white

3.99
#3786B8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.26
#3786B8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B8
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3786B8#FFFFFF#000000##000000
##3786B81.003.995.265.26
#FFFFFF3.991.0021.0021.00
#0000005.2621.001.001.00
##0000005.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F86BA
Deuteranopia (green-blind)
#5D7AB7
Tritanopia (blue-blind)
#009397
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3786b8;
/* rgb */ color: rgb(55, 134, 184);
/* oklch */ color: oklch(59.4% 0.108 240.1);
Tailwind
colors: {
  custom: {
    50: '#7da9cd',
    500: '#3786b8',
    950: '#000000',
  },
}
SCSS
$custom: #3786b8;
$custom-light: #7da9cd;
$custom-dark: #000000;
JSON
{
  "hex": "#3786b8",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 184
  },
  "hsl": {
    "h": 203.256,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59369,
    "c": 0.10812,
    "h": 240.1
  },
  "luminance": 0.21323
}

Semantic roles & 50–950 ramp

primary
#3786B8
secondary
#C79E84
accent
#834ADD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3786B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3786B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva