#166C8F#166C8F

#166C8F is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.0% C 0.094 H 231.4°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#166C8F
RGB	rgb(22, 108, 143)
HSL	hsl(197, 73%, 32%)
HSV	hsv(197, 85%, 56%)
CMYK	cmyk(84.6%, 24.5%, 0%, 43.9%)
CIE-LAB	lab(42.58, -11.45, -26.04)
CIE-LCH	lch(42.58, 28.45, 246.27°)
OKLab	oklab(49.99% -0.0586 -0.0734)
OKLCH	oklch(49.99% 0.094 231.4)
XYZ	xyz(10.6493, 12.8775, 27.9056)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166C8F #8F3916

analogous

#168F75 #166C8F #16308F

triadic

#166C8F #8F166C #6C8F16

tetradic

#166C8F #75168F #8F3916 #308F16

square

#166C8F #75168F #8F3916 #308F16

split-complementary

#166C8F #8F1630 #8F7516

monochromatic

#061C25 #0E445A #166C8F #1E94C4 #3EB2E1

Accessibility & contrast

On white

5.87

#166C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#166C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166C8F

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166C8F	#FFFFFF	#000000	##FFFFFF
##166C8F	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6B91

Deuteranopia (green-blind)

#4A608E

Tritanopia (blue-blind)

#007578

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #166c8f;
/* rgb */ color: rgb(22, 108, 143);
/* oklch */ color: oklch(50.0% 0.094 231.4);

Tailwind

colors: {
  custom: {
    50: '#6a96b0',
    500: '#166c8f',
    950: '#000000',
  },
}

SCSS

$custom: #166c8f;
$custom-light: #6a96b0;
$custom-dark: #000000;

JSON

{
  "hex": "#166c8f",
  "rgb": {
    "r": 22,
    "g": 108,
    "b": 143
  },
  "hsl": {
    "h": 197.355,
    "s": 73.333,
    "l": 32.353
  },
  "oklch": {
    "l": 0.49992,
    "c": 0.09396,
    "h": 231.4
  },
  "luminance": 0.12879
}

Semantic roles & 50–950 ramp

primary

#166C8F

secondary

#C1653F

accent

#6D38F0

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #166C8F

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

Preview Lab → · Contrast checker → · Palette generator →