#166183#166183

#166183 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.5% C 0.088 H 233.7°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#166183
RGB	rgb(22, 97, 131)
HSL	hsl(199, 71%, 30%)
HSV	hsv(199, 83%, 51%)
CMYK	cmyk(83.2%, 26%, 0%, 48.6%)
CIE-LAB	lab(38.48, -9.47, -25.20)
CIE-LCH	lch(38.48, 26.92, 249.40°)
OKLab	oklab(46.53% -0.0523 -0.0711)
OKLCH	oklch(46.53% 0.088 233.7)
XYZ	xyz(8.7006, 10.3576, 23.0090)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166183 #833816

analogous

#16836F #166183 #162A83

triadic

#166183 #831661 #618316

tetradic

#166183 #6F1683 #833816 #2A8316

square

#166183 #6F1683 #833816 #2A8316

split-complementary

#166183 #83162A #836F16

monochromatic

#04131A #0D3A4F #166183 #1F88B7 #36A9DD

Accessibility & contrast

On white

6.84

#166183 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#166183 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166183

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166183	#FFFFFF	#000000	##FFFFFF
##166183	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506085

Deuteranopia (green-blind)

#425682

Tritanopia (blue-blind)

#006A6D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #166183;
/* rgb */ color: rgb(22, 97, 131);
/* oklch */ color: oklch(46.5% 0.088 233.7);

Tailwind

colors: {
  custom: {
    50: '#678da7',
    500: '#166183',
    950: '#000000',
  },
}

SCSS

$custom: #166183;
$custom-light: #678da7;
$custom-dark: #000000;

JSON

{
  "hex": "#166183",
  "rgb": {
    "r": 22,
    "g": 97,
    "b": 131
  },
  "hsl": {
    "h": 198.716,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.46534,
    "c": 0.08828,
    "h": 233.7
  },
  "luminance": 0.10359
}

Semantic roles & 50–950 ramp

primary

#166183

secondary

#B7633D

accent

#723AEE

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #166183

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

Preview Lab → · Contrast checker → · Palette generator →