#3684B0#3684B0

#3684B0 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.5% C 0.101 H 237.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#3684B0
RGBrgb(54, 132, 176)
HSLhsl(202, 53%, 45%)
HSVhsv(202, 69%, 69%)
CMYKcmyk(69.3%, 25%, 0%, 31%)
CIE-LABlab(52.31, -9.41, -30.18)
CIE-LCHlch(52.31, 31.61, 252.68°)
OKLaboklab(58.46% -0.0552 -0.0849)
OKLCHoklch(58.46% 0.101 237)
XYZxyz(17.6060, 20.4195, 44.0794)
Luminance0.2042 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3684B0 #B06236
analogous
#36B09F #3684B0 #3647B0
triadic
#3684B0 #B03684 #84B036
tetradic
#3684B0 #9F36B0 #B06236 #47B036
square
#3684B0 #9F36B0 #B06236 #47B036
split-complementary
#3684B0 #B03647 #B09F36
monochromatic
#193E52 #286181 #3684B0 #58A2CC #86BCDA

Accessibility & contrast

On white

4.13
#3684B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.08
#3684B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684B0
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3684B0#FFFFFF#000000##000000
##3684B01.004.135.085.08
#FFFFFF4.131.0021.0021.00
#0000005.0821.001.001.00
##0000005.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F83B2
Deuteranopia (green-blind)
#5E77AF
Tritanopia (blue-blind)
#008F93
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3684b0;
/* rgb */ color: rgb(54, 132, 176);
/* oklch */ color: oklch(58.5% 0.101 237.0);
Tailwind
colors: {
  custom: {
    50: '#7ca7c7',
    500: '#3684b0',
    950: '#000000',
  },
}
SCSS
$custom: #3684b0;
$custom-light: #7ca7c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3684b0",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 176
  },
  "hsl": {
    "h": 201.639,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.58456,
    "c": 0.10129,
    "h": 237
  },
  "luminance": 0.20421
}

Semantic roles & 50–950 ramp

primary
#3684B0
secondary
#C4977E
accent
#804BDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3684B0

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

Preview Lab → · Contrast checker → · Palette generator →

#3684B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva