#3685BD#3685BD

#3685BD is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.4% C 0.115 H 243.1°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#3685BD
RGBrgb(54, 133, 189)
HSLhsl(205, 56%, 48%)
HSVhsv(205, 71%, 74%)
CMYKcmyk(71.4%, 29.6%, 0%, 25.9%)
CIE-LABlab(53.20, -5.47, -36.24)
CIE-LCHlch(53.20, 36.65, 261.42°)
OKLaboklab(59.36% -0.052 -0.1025)
OKLCHoklch(59.36% 0.115 243.1)
XYZxyz(19.0906, 21.2313, 51.2262)
Luminance0.2123 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3685BD #BD6E36
analogous
#36BDB2 #3685BD #3641BD
triadic
#3685BD #BD3685 #85BD36
tetradic
#3685BD #B236BD #BD6E36 #41BD36
square
#3685BD #B236BD #BD6E36 #41BD36
split-complementary
#3685BD #BD3641 #BDB236
monochromatic
#1B425E #28648D #3685BD #5FA2D1 #8FBEDF

Accessibility & contrast

On white

4.00
#3685BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#3685BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685BD
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3685BD#FFFFFF#000000##000000
##3685BD1.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B86BF
Deuteranopia (green-blind)
#5979BC
Tritanopia (blue-blind)
#009399
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3685bd;
/* rgb */ color: rgb(54, 133, 189);
/* oklch */ color: oklch(59.4% 0.115 243.1);
Tailwind
colors: {
  custom: {
    50: '#7ea8d1',
    500: '#3685bd',
    950: '#000000',
  },
}
SCSS
$custom: #3685bd;
$custom-light: #7ea8d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3685bd",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 189
  },
  "hsl": {
    "h": 204.889,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59359,
    "c": 0.11488,
    "h": 243.1
  },
  "luminance": 0.21233
}

Semantic roles & 50–950 ramp

primary
#3685BD
secondary
#C9A285
accent
#8749DF
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #3685BD

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

Preview Lab → · Contrast checker → · Palette generator →

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