#3684BA#3684BA

#3684BA is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 59.0% C 0.112 H 242.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX#3684BA
RGBrgb(54, 132, 186)
HSLhsl(205, 55%, 47%)
HSVhsv(205, 71%, 73%)
CMYKcmyk(71%, 29%, 0%, 27.1%)
CIE-LABlab(52.76, -5.94, -35.21)
CIE-LCHlch(52.76, 35.71, 260.43°)
OKLaboklab(58.97% -0.0519 -0.0995)
OKLCHoklch(58.97% 0.112 242.4)
XYZxyz(18.6321, 20.8299, 49.4835)
Luminance0.2083 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3684BA #BA6C36
analogous
#36BAAE #3684BA #3642BA
triadic
#3684BA #BA3684 #84BA36
tetradic
#3684BA #AE36BA #BA6C36 #42BA36
square
#3684BA #AE36BA #BA6C36 #42BA36
split-complementary
#3684BA #BA3642 #BAAE36
monochromatic
#1A415B #28628B #3684BA #5DA1D0 #8DBDDE

Accessibility & contrast

On white

4.06
#3684BA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.17
#3684BA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684BA
5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3684BA#FFFFFF#000000##000000
##3684BA1.004.065.175.17
#FFFFFF4.061.0021.0021.00
#0000005.1721.001.001.00
##0000005.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B85BC
Deuteranopia (green-blind)
#5978B9
Tritanopia (blue-blind)
#009197
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3684ba;
/* rgb */ color: rgb(54, 132, 186);
/* oklch */ color: oklch(59.0% 0.112 242.4);
Tailwind
colors: {
  custom: {
    50: '#7da7cf',
    500: '#3684ba',
    950: '#000000',
  },
}
SCSS
$custom: #3684ba;
$custom-light: #7da7cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3684ba",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 186
  },
  "hsl": {
    "h": 204.545,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.58966,
    "c": 0.11221,
    "h": 242.4
  },
  "luminance": 0.20832
}

Semantic roles & 50–950 ramp

primary
#3684BA
secondary
#C8A084
accent
#8649DE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3684BA

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

Preview Lab → · Contrast checker → · Palette generator →

#3684BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva