#166A7E#166A7E

#166A7E is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.6% C 0.081 H 218.4°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#166A7E
RGB	rgb(22, 106, 126)
HSL	hsl(192, 70%, 29%)
HSV	hsv(192, 83%, 49%)
CMYK	cmyk(82.5%, 15.9%, 0%, 50.6%)
CIE-LAB	lab(41.19, -16.53, -17.97)
CIE-LCH	lch(41.19, 24.41, 227.39°)
OKLab	oklab(48.64% -0.0635 -0.0503)
OKLCH	oklch(48.64% 0.081 218.4)
XYZ	xyz(9.2492, 11.9838, 21.5603)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166A7E #7E2A16

analogous

#167E5E #166A7E #16367E

triadic

#166A7E #7E166A #6A7E16

tetradic

#166A7E #5E167E #7E2A16 #367E16

square

#166A7E #5E167E #7E2A16 #367E16

split-complementary

#166A7E #7E1636 #7E5E16

monochromatic

#05161A #0D3E4A #166A7E #1F96B2 #33BBDB

Accessibility & contrast

On white

6.18

#166A7E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#166A7E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166A7E

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166A7E	#FFFFFF	#000000	##FFFFFF
##166A7E	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D677F

Deuteranopia (green-blind)

#505D7E

Tritanopia (blue-blind)

#007170

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #166a7e;
/* rgb */ color: rgb(22, 106, 126);
/* oklch */ color: oklch(48.6% 0.081 218.4);

Tailwind

colors: {
  custom: {
    50: '#6794a3',
    500: '#166a7e',
    950: '#000000',
  },
}

SCSS

$custom: #166a7e;
$custom-light: #6794a3;
$custom-dark: #000000;

JSON

{
  "hex": "#166a7e",
  "rgb": {
    "r": 22,
    "g": 106,
    "b": 126
  },
  "hsl": {
    "h": 191.538,
    "s": 70.27,
    "l": 29.02
  },
  "oklch": {
    "l": 0.48635,
    "c": 0.08095,
    "h": 218.4
  },
  "luminance": 0.11985
}

Semantic roles & 50–950 ramp

primary

#166A7E

secondary

#B3543D

accent

#5D3BED

background

#F6F9FA

surface

#EBF1F3

border

#C6CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166A7E

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

Preview Lab → · Contrast checker → · Palette generator →