#3685B7#3685B7

#3685B7 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.0% C 0.108 H 240.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX#3685B7
RGBrgb(54, 133, 183)
HSLhsl(203, 54%, 46%)
HSVhsv(203, 70%, 72%)
CMYKcmyk(70.5%, 27.3%, 0%, 28.2%)
CIE-LABlab(52.92, -7.56, -33.24)
CIE-LCHlch(52.92, 34.09, 257.18°)
OKLaboklab(59.05% -0.0539 -0.0938)
OKLCHoklch(59.05% 0.108 240.1)
XYZxyz(18.4528, 20.9762, 47.8669)
Luminance0.2098 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3685B7 #B76836
analogous
#36B7A9 #3685B7 #3645B7
triadic
#3685B7 #B73685 #85B736
tetradic
#3685B7 #A936B7 #B76836 #45B736
square
#3685B7 #A936B7 #B76836 #45B736
split-complementary
#3685B7 #B73645 #B7A936
monochromatic
#1A4058 #286388 #3685B7 #5BA2CF #8BBDDD

Accessibility & contrast

On white

4.04
#3685B7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.20
#3685B7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685B7
5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3685B7#FFFFFF#000000##000000
##3685B71.004.045.205.20
#FFFFFF4.041.0021.0021.00
#0000005.2021.001.001.00
##0000005.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E85B9
Deuteranopia (green-blind)
#5C79B6
Tritanopia (blue-blind)
#009296
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3685b7;
/* rgb */ color: rgb(54, 133, 183);
/* oklch */ color: oklch(59.0% 0.108 240.1);
Tailwind
colors: {
  custom: {
    50: '#7da8cd',
    500: '#3685b7',
    950: '#000000',
  },
}
SCSS
$custom: #3685b7;
$custom-light: #7da8cd;
$custom-dark: #000000;
JSON
{
  "hex": "#3685b7",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 183
  },
  "hsl": {
    "h": 203.256,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.59048,
    "c": 0.10814,
    "h": 240.1
  },
  "luminance": 0.20978
}

Semantic roles & 50–950 ramp

primary
#3685B7
secondary
#C79D82
accent
#834ADE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3685B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3685B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva