#3683A8#3683A8

#3683A8 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.8% C 0.094 H 232.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#3683A8
RGBrgb(54, 131, 168)
HSLhsl(199, 51%, 44%)
HSVhsv(199, 68%, 66%)
CMYKcmyk(67.9%, 22%, 0%, 34.1%)
CIE-LABlab(51.66, -11.57, -26.57)
CIE-LCHlch(51.66, 28.98, 246.47°)
OKLaboklab(57.83% -0.057 -0.0745)
OKLCHoklch(57.83% 0.094 232.6)
XYZxyz(16.7027, 19.8422, 39.9879)
Luminance0.1984 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3683A8 #A85B36
analogous
#36A894 #3683A8 #364AA8
triadic
#3683A8 #A83683 #83A836
tetradic
#3683A8 #9436A8 #A85B36 #4AA836
square
#3683A8 #9436A8 #A85B36 #4AA836
split-complementary
#3683A8 #A8364A #A89436
monochromatic
#183B4B #275F7A #3683A8 #53A2C8 #82BBD7

Accessibility & contrast

On white

4.23
#3683A8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.97
#3683A8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683A8
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3683A8#FFFFFF#000000##000000
##3683A81.004.234.974.97
#FFFFFF4.231.0021.0021.00
#0000004.9721.001.001.00
##0000004.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7182AA
Deuteranopia (green-blind)
#6176A7
Tritanopia (blue-blind)
#008D8F
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #3683a8;
/* rgb */ color: rgb(54, 131, 168);
/* oklch */ color: oklch(57.8% 0.094 232.6);
Tailwind
colors: {
  custom: {
    50: '#7aa7c2',
    500: '#3683a8',
    950: '#000000',
  },
}
SCSS
$custom: #3683a8;
$custom-light: #7aa7c2;
$custom-dark: #000000;
JSON
{
  "hex": "#3683a8",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 199.474,
    "s": 51.351,
    "l": 43.529
  },
  "oklch": {
    "l": 0.57825,
    "c": 0.09385,
    "h": 232.6
  },
  "luminance": 0.19844
}

Semantic roles & 50–950 ramp

primary
#3683A8
secondary
#C0917A
accent
#7B4DDB
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #3683A8

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

Preview Lab → · Contrast checker → · Palette generator →

#3683A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva