#3689CA#3689CA

#3689CA is a mid, vivid cyan. Relative luminance 0.229; OKLCH L 61.0% C 0.127 H 245.8°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#3689CA
RGBrgb(54, 137, 202)
HSLhsl(206, 58%, 50%)
HSVhsv(206, 73%, 79%)
CMYKcmyk(73.3%, 32.2%, 0%, 20.8%)
CIE-LABlab(55.01, -3.21, -40.79)
CIE-LCHlch(55.01, 40.92, 265.51°)
OKLaboklab(60.99% -0.0519 -0.1157)
OKLCHoklch(60.99% 0.127 245.8)
XYZxyz(21.1236, 22.9375, 59.1798)
Luminance0.2294 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3689CA #CA7736
analogous
#36CAC1 #3689CA #363FCA
triadic
#3689CA #CA3689 #89CA36
tetradic
#3689CA #C136CA #CA7736 #3FCA36
square
#3689CA #C136CA #CA7736 #3FCA36
split-complementary
#3689CA #CA363F #CAC136
monochromatic
#1C486A #29689A #3689CA #66A5D7 #97C2E4

Accessibility & contrast

On white

3.76
#3689CA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.59
#3689CA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689CA
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3689CA#FFFFFF#000000##000000
##3689CA1.003.765.595.59
#FFFFFF3.761.0021.0021.00
#0000005.5921.001.001.00
##0000005.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B8BCD
Deuteranopia (green-blind)
#577DC9
Tritanopia (blue-blind)
#0099A0
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3689ca;
/* rgb */ color: rgb(54, 137, 202);
/* oklch */ color: oklch(61.0% 0.127 245.8);
Tailwind
colors: {
  custom: {
    50: '#80abda',
    500: '#3689ca',
    950: '#000000',
  },
}
SCSS
$custom: #3689ca;
$custom-light: #80abda;
$custom-dark: #000000;
JSON
{
  "hex": "#3689ca",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 202
  },
  "hsl": {
    "h": 206.351,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.6099,
    "c": 0.12677,
    "h": 245.8
  },
  "luminance": 0.2294
}

Semantic roles & 50–950 ramp

primary
#3689CA
secondary
#CFAA8D
accent
#8A46E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3689CA

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

Preview Lab → · Contrast checker → · Palette generator →

#3689CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva