#166577#166577

#166577 is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.0% C 0.077 H 217.3°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#166577
RGBrgb(22, 101, 119)
HSLhsl(191, 69%, 28%)
HSVhsv(191, 82%, 47%)
CMYKcmyk(81.5%, 15.1%, 0%, 53.3%)
CIE-LABlab(39.26, -16.23, -16.68)
CIE-LCHlch(39.26, 23.28, 225.78°)
OKLaboklab(46.98% -0.0613 -0.0466)
OKLCHoklch(46.98% 0.077 217.3)
XYZxyz(8.3129, 10.8088, 19.0974)
Luminance0.1081 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#166577 #772816
analogous
#167758 #166577 #163577
triadic
#166577 #771665 #657716
tetradic
#166577 #581677 #772816 #357716
square
#166577 #581677 #772816 #357716
split-complementary
#166577 #771635 #775816
monochromatic
#05161A #0C3943 #166577 #2091AB #2FB9D9

Accessibility & contrast

On white

6.64
#166577 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#166577 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166577
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##166577#FFFFFF#000000##FFFFFF
##1665771.006.643.166.64
#FFFFFF6.641.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#596278
Deuteranopia (green-blind)
#4C5877
Tritanopia (blue-blind)
#006B6B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #166577;
/* rgb */ color: rgb(22, 101, 119);
/* oklch */ color: oklch(47.0% 0.077 217.3);
Tailwind
colors: {
  custom: {
    50: '#65919e',
    500: '#166577',
    950: '#000000',
  },
}
SCSS
$custom: #166577;
$custom-light: #65919e;
$custom-dark: #000000;
JSON
{
  "hex": "#166577",
  "rgb": {
    "r": 22,
    "g": 101,
    "b": 119
  },
  "hsl": {
    "h": 191.134,
    "s": 68.794,
    "l": 27.647
  },
  "oklch": {
    "l": 0.46984,
    "c": 0.07698,
    "h": 217.3
  },
  "luminance": 0.1081
}

Semantic roles & 50–950 ramp

primary
#166577
secondary
#AC513C
accent
#5D3CEC
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0E
muted
#7A7D7E

Preview Lab

Preview with #166577

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

Preview Lab → · Contrast checker → · Palette generator →

#166577 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva