#3685B3#3685B3

#3685B3 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.8% C 0.104 H 237.9°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#3685B3
RGBrgb(54, 133, 179)
HSLhsl(202, 54%, 46%)
HSVhsv(202, 70%, 70%)
CMYKcmyk(69.8%, 25.7%, 0%, 29.8%)
CIE-LABlab(52.74, -8.95, -31.23)
CIE-LCHlch(52.74, 32.48, 254.01°)
OKLaboklab(58.85% -0.0552 -0.0879)
OKLCHoklch(58.85% 0.104 237.9)
XYZxyz(18.0424, 20.8120, 45.7053)
Luminance0.2081 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3685B3 #B36436
analogous
#36B3A2 #3685B3 #3646B3
triadic
#3685B3 #B33685 #85B336
tetradic
#3685B3 #A236B3 #B36436 #46B336
square
#3685B3 #A236B3 #B36436 #46B336
split-complementary
#3685B3 #B33646 #B3A236
monochromatic
#1A3F55 #286284 #3685B3 #59A2CD #88BDDB

Accessibility & contrast

On white

4.07
#3685B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.16
#3685B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685B3
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3685B3#FFFFFF#000000##000000
##3685B31.004.075.165.16
#FFFFFF4.071.0021.0021.00
#0000005.1621.001.001.00
##0000005.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F85B5
Deuteranopia (green-blind)
#5E78B2
Tritanopia (blue-blind)
#009195
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3685b3;
/* rgb */ color: rgb(54, 133, 179);
/* oklch */ color: oklch(58.8% 0.104 237.9);
Tailwind
colors: {
  custom: {
    50: '#7ca8ca',
    500: '#3685b3',
    950: '#000000',
  },
}
SCSS
$custom: #3685b3;
$custom-light: #7ca8ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3685b3",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 179
  },
  "hsl": {
    "h": 202.08,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58845,
    "c": 0.10384,
    "h": 237.9
  },
  "luminance": 0.20814
}

Semantic roles & 50–950 ramp

primary
#3685B3
secondary
#C59980
accent
#814BDD
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3685B3

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

Preview Lab → · Contrast checker → · Palette generator →

#3685B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva