#3699CD#3699CD

#3699CD is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.9% C 0.119 H 236.0°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#3699CD
RGBrgb(54, 153, 205)
HSLhsl(201, 60%, 51%)
HSVhsv(201, 74%, 80%)
CMYKcmyk(73.7%, 25.4%, 0%, 19.6%)
CIE-LABlab(59.86, -11.29, -34.87)
CIE-LCHlch(59.86, 36.65, 252.07°)
OKLaboklab(64.88% -0.0662 -0.0983)
OKLCHoklch(64.88% 0.119 236)
XYZxyz(23.9276, 27.9717, 61.8838)
Luminance0.2797 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3699CD #CD6A36
analogous
#36CDB5 #3699CD #364DCD
triadic
#3699CD #CD3699 #99CD36
tetradic
#3699CD #B536CD #CD6A36 #4DCD36
square
#3699CD #B536CD #CD6A36 #4DCD36
split-complementary
#3699CD #CD364D #CDB536
monochromatic
#1B516D #27759E #3699CD #67B2D9 #98CBE5

Accessibility & contrast

On white

3.18
#3699CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.60
#3699CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3699CD
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3699CD#FFFFFF#000000##000000
##3699CD1.003.186.606.60
#FFFFFF3.181.0021.0021.00
#0000006.6021.001.001.00
##0000006.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8098CF
Deuteranopia (green-blind)
#6C8ACC
Tritanopia (blue-blind)
#00A6AB
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #3699cd;
/* rgb */ color: rgb(54, 153, 205);
/* oklch */ color: oklch(64.9% 0.119 236.0);
Tailwind
colors: {
  custom: {
    50: '#81b7dc',
    500: '#3699cd',
    950: '#000000',
  },
}
SCSS
$custom: #3699cd;
$custom-light: #81b7dc;
$custom-dark: #000000;
JSON
{
  "hex": "#3699cd",
  "rgb": {
    "r": 54,
    "g": 153,
    "b": 205
  },
  "hsl": {
    "h": 200.662,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.64881,
    "c": 0.11851,
    "h": 236
  },
  "luminance": 0.27975
}

Semantic roles & 50–950 ramp

primary
#3699CD
secondary
#D1A58E
accent
#7B44E3
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3699CD

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

Preview Lab → · Contrast checker → · Palette generator →

#3699CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva