#166181#166181

#166181 is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.4% C 0.086 H 232.0°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#166181
RGB	rgb(22, 97, 129)
HSL	hsl(198, 71%, 30%)
HSV	hsv(198, 83%, 51%)
CMYK	cmyk(82.9%, 24.8%, 0%, 49.4%)
CIE-LAB	lab(38.38, -10.23, -24.13)
CIE-LCH	lch(38.38, 26.21, 247.03°)
OKLab	oklab(46.43% -0.0531 -0.068)
OKLCH	oklch(46.43% 0.086 232)
XYZ	xyz(8.5664, 10.3039, 22.3020)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166181 #813616

analogous

#16816C #166181 #162C81

triadic

#166181 #811661 #618116

tetradic

#166181 #6C1681 #813616 #2C8116

square

#166181 #6C1681 #813616 #2C8116

split-complementary

#166181 #81162C #816C16

monochromatic

#04141A #0D3A4D #166181 #1F88B5 #35AADD

Accessibility & contrast

On white

6.86

#166181 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#166181 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166181

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166181	#FFFFFF	#000000	##FFFFFF
##166181	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516083

Deuteranopia (green-blind)

#435681

Tritanopia (blue-blind)

#006A6C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #166181;
/* rgb */ color: rgb(22, 97, 129);
/* oklch */ color: oklch(46.4% 0.086 232.0);

Tailwind

colors: {
  custom: {
    50: '#678da5',
    500: '#166181',
    950: '#000000',
  },
}

SCSS

$custom: #166181;
$custom-light: #678da5;
$custom-dark: #000000;

JSON

{
  "hex": "#166181",
  "rgb": {
    "r": 22,
    "g": 97,
    "b": 129
  },
  "hsl": {
    "h": 197.944,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.46428,
    "c": 0.08627,
    "h": 232
  },
  "luminance": 0.10305
}

Semantic roles & 50–950 ramp

primary

#166181

secondary

#B6613D

accent

#703AEE

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #166181

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

Preview Lab → · Contrast checker → · Palette generator →