#3687C2#3687C2

#3687C2 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 60.1% C 0.119 H 243.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#3687C2
RGBrgb(54, 135, 194)
HSLhsl(205, 56%, 49%)
HSVhsv(205, 72%, 76%)
CMYKcmyk(72.2%, 30.4%, 0%, 23.9%)
CIE-LABlab(54.03, -4.87, -37.79)
CIE-LCHlch(54.03, 38.10, 262.66°)
OKLaboklab(60.09% -0.0524 -0.1069)
OKLCHoklch(60.09% 0.119 243.9)
XYZxyz(19.9192, 22.0050, 54.2261)
Luminance0.2201 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3687C2 #C27136
analogous
#36C2B7 #3687C2 #3641C2
triadic
#3687C2 #C23687 #87C236
tetradic
#3687C2 #B736C2 #C27136 #41C236
square
#3687C2 #B736C2 #C27136 #41C236
split-complementary
#3687C2 #C23641 #C2B736
monochromatic
#1B4462 #296692 #3687C2 #62A4D3 #92BFE1

Accessibility & contrast

On white

3.89
#3687C2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.40
#3687C2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3687C2
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3687C2#FFFFFF#000000##000000
##3687C21.003.895.405.40
#FFFFFF3.891.0021.0021.00
#0000005.4021.001.001.00
##0000005.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C89C5
Deuteranopia (green-blind)
#597BC1
Tritanopia (blue-blind)
#00959C
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #3687c2;
/* rgb */ color: rgb(54, 135, 194);
/* oklch */ color: oklch(60.1% 0.119 243.9);
Tailwind
colors: {
  custom: {
    50: '#7fa9d4',
    500: '#3687c2',
    950: '#000000',
  },
}
SCSS
$custom: #3687c2;
$custom-light: #7fa9d4;
$custom-dark: #000000;
JSON
{
  "hex": "#3687c2",
  "rgb": {
    "r": 54,
    "g": 135,
    "b": 194
  },
  "hsl": {
    "h": 205.286,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60094,
    "c": 0.11907,
    "h": 243.9
  },
  "luminance": 0.22007
}

Semantic roles & 50–950 ramp

primary
#3687C2
secondary
#CCA588
accent
#8848E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83

Preview Lab

Preview with #3687C2

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

Preview Lab → · Contrast checker → · Palette generator →

#3687C2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva