#3697BE#3697BE

#3697BE is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.7% C 0.106 H 228.8°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX#3697BE
RGBrgb(54, 151, 190)
HSLhsl(197, 56%, 48%)
HSVhsv(197, 72%, 75%)
CMYKcmyk(71.6%, 20.5%, 0%, 25.5%)
CIE-LABlab(58.63, -15.26, -28.34)
CIE-LCHlch(58.63, 32.19, 241.70°)
OKLaboklab(63.69% -0.0695 -0.0795)
OKLCHoklch(63.69% 0.106 228.8)
XYZxyz(21.8784, 26.6327, 52.6928)
Luminance0.2663 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3697BE #BE5D36
analogous
#36BEA1 #3697BE #3653BE
triadic
#3697BE #BE3697 #97BE36
tetradic
#3697BE #A136BE #BE5D36 #53BE36
square
#3697BE #A136BE #BE5D36 #53BE36
split-complementary
#3697BE #BE3653 #BEA136
monochromatic
#1B4B5F #28718E #3697BE #60B1D2 #8FC8DF

Accessibility & contrast

On white

3.32
#3697BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.33
#3697BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3697BE
6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3697BE#FFFFFF#000000##000000
##3697BE1.003.326.336.33
#FFFFFF3.321.0021.0021.00
#0000006.3321.001.001.00
##0000006.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8395C0
Deuteranopia (green-blind)
#7087BD
Tritanopia (blue-blind)
#00A2A4
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3697be;
/* rgb */ color: rgb(54, 151, 190);
/* oklch */ color: oklch(63.7% 0.106 228.8);
Tailwind
colors: {
  custom: {
    50: '#7fb5d1',
    500: '#3697be',
    950: '#000000',
  },
}
SCSS
$custom: #3697be;
$custom-light: #7fb5d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3697be",
  "rgb": {
    "r": 54,
    "g": 151,
    "b": 190
  },
  "hsl": {
    "h": 197.206,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.63691,
    "c": 0.10563,
    "h": 228.8
  },
  "luminance": 0.26635
}

Semantic roles & 50–950 ramp

primary
#3697BE
secondary
#CA9986
accent
#7449DF
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #3697BE

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

Preview Lab → · Contrast checker → · Palette generator →

#3697BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva