#166683#166683

#166683 is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.8% C 0.086 H 228.0°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX#166683
RGBrgb(22, 102, 131)
HSLhsl(196, 71%, 30%)
HSVhsv(196, 83%, 51%)
CMYKcmyk(83.2%, 22.1%, 0%, 48.6%)
CIE-LABlab(40.10, -12.42, -22.68)
CIE-LCHlch(40.10, 25.86, 241.28°)
OKLaboklab(47.83% -0.0573 -0.0638)
OKLCHoklch(47.83% 0.086 228)
XYZxyz(9.1773, 11.3109, 23.1679)
Luminance0.1131 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#166683 #833316
analogous
#168369 #166683 #163083
triadic
#166683 #831666 #668316
tetradic
#166683 #691683 #833316 #308316
square
#166683 #691683 #833316 #308316
split-complementary
#166683 #831630 #836916
monochromatic
#04141A #0D3D4F #166683 #1F8FB7 #36B1DD

Accessibility & contrast

On white

6.44
#166683 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#166683 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166683
6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##166683#FFFFFF#000000##FFFFFF
##1666831.006.443.266.44
#FFFFFF6.441.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#576484
Deuteranopia (green-blind)
#485A83
Tritanopia (blue-blind)
#006E70
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #166683;
/* rgb */ color: rgb(22, 102, 131);
/* oklch */ color: oklch(47.8% 0.086 228.0);
Tailwind
colors: {
  custom: {
    50: '#6891a7',
    500: '#166683',
    950: '#000000',
  },
}
SCSS
$custom: #166683;
$custom-light: #6891a7;
$custom-dark: #000000;
JSON
{
  "hex": "#166683",
  "rgb": {
    "r": 22,
    "g": 102,
    "b": 131
  },
  "hsl": {
    "h": 195.963,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.4783,
    "c": 0.08575,
    "h": 228
  },
  "luminance": 0.11312
}

Semantic roles & 50–950 ramp

primary
#166683
secondary
#B75E3D
accent
#6A3AEE
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #166683

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

Preview Lab → · Contrast checker → · Palette generator →

#166683 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva