#3684C3#3684C3

#3684C3 is a mid, vivid cyan. Relative luminance 0.212; OKLCH L 59.4% C 0.123 H 246.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#3684C3
RGBrgb(54, 132, 195)
HSLhsl(207, 57%, 49%)
HSVhsv(207, 72%, 76%)
CMYKcmyk(72.3%, 32.3%, 0%, 23.5%)
CIE-LABlab(53.19, -2.76, -39.67)
CIE-LCHlch(53.19, 39.77, 266.02°)
OKLaboklab(59.45% -0.0492 -0.1125)
OKLCHoklch(59.45% 0.123 246.4)
XYZxyz(19.6192, 21.2247, 54.6820)
Luminance0.2123 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3684C3 #C37536
analogous
#36C3BC #3684C3 #363DC3
triadic
#3684C3 #C33684 #84C336
tetradic
#3684C3 #BC36C3 #C37536 #3DC336
square
#3684C3 #BC36C3 #C37536 #3DC336
split-complementary
#3684C3 #C3363D #C3BC36
monochromatic
#1B4363 #296493 #3684C3 #63A1D4 #92BEE1

Accessibility & contrast

On white

4.00
#3684C3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#3684C3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684C3
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3684C3#FFFFFF#000000##000000
##3684C31.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6786C6
Deuteranopia (green-blind)
#5479C2
Tritanopia (blue-blind)
#00939B
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3684c3;
/* rgb */ color: rgb(54, 132, 195);
/* oklch */ color: oklch(59.4% 0.123 246.4);
Tailwind
colors: {
  custom: {
    50: '#7fa7d5',
    500: '#3684c3',
    950: '#000000',
  },
}
SCSS
$custom: #3684c3;
$custom-light: #7fa7d5;
$custom-dark: #000000;
JSON
{
  "hex": "#3684c3",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 195
  },
  "hsl": {
    "h": 206.809,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.59449,
    "c": 0.12275,
    "h": 246.4
  },
  "luminance": 0.21227
}

Semantic roles & 50–950 ramp

primary
#3684C3
secondary
#CCA789
accent
#8C48E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83

Preview Lab

Preview with #3684C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3684C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva