#166378#166378

#166378 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.5% C 0.078 H 221.0°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#166378
RGB	rgb(22, 99, 120)
HSL	hsl(193, 69%, 28%)
HSV	hsv(193, 82%, 47%)
CMYK	cmyk(81.7%, 17.5%, 0%, 52.9%)
CIE-LAB	lab(38.64, -14.74, -18.25)
CIE-LCH	lch(38.64, 23.45, 231.07°)
OKLab	oklab(46.5% -0.0587 -0.0511)
OKLCH	oklch(46.5% 0.078 221)
XYZ	xyz(8.1815, 10.4493, 19.3514)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166378 #782B16

analogous

#16785C #166378 #163278

triadic

#166378 #781663 #637816

tetradic

#166378 #5C1678 #782B16 #327816

square

#166378 #5C1678 #782B16 #327816

split-complementary

#166378 #781632 #785C16

monochromatic

#05151A #0D3844 #166378 #1F8EAC #2FB5D9

Accessibility & contrast

On white

6.80

#166378 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#166378 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166378

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166378	#FFFFFF	#000000	##FFFFFF
##166378	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566079

Deuteranopia (green-blind)

#495778

Tritanopia (blue-blind)

#006A6A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #166378;
/* rgb */ color: rgb(22, 99, 120);
/* oklch */ color: oklch(46.5% 0.078 221.0);

Tailwind

colors: {
  custom: {
    50: '#658f9f',
    500: '#166378',
    950: '#000000',
  },
}

SCSS

$custom: #166378;
$custom-light: #658f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#166378",
  "rgb": {
    "r": 22,
    "g": 99,
    "b": 120
  },
  "hsl": {
    "h": 192.857,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.46499,
    "c": 0.07784,
    "h": 221
  },
  "luminance": 0.1045
}

Semantic roles & 50–950 ramp

primary

#166378

secondary

#AD553C

accent

#623CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #166378

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

Preview Lab → · Contrast checker → · Palette generator →