#166C90#166C90

#166C90 is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.0% C 0.095 H 232.1°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#166C90
RGB	rgb(22, 108, 144)
HSL	hsl(198, 73%, 33%)
HSV	hsv(198, 85%, 56%)
CMYK	cmyk(84.7%, 25%, 0%, 43.5%)
CIE-LAB	lab(42.62, -11.07, -26.57)
CIE-LCH	lch(42.62, 28.78, 247.37°)
OKLab	oklab(50.04% -0.0583 -0.0749)
OKLCH	oklch(50.04% 0.095 232.1)
XYZ	xyz(10.7254, 12.9080, 28.3063)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166C90 #903A16

analogous

#169077 #166C90 #162F90

triadic

#166C90 #90166C #6C9016

tetradic

#166C90 #771690 #903A16 #2F9016

square

#166C90 #771690 #903A16 #2F9016

split-complementary

#166C90 #90162F #907716

monochromatic

#061C26 #0E445B #166C90 #1E94C5 #3FB2E2

Accessibility & contrast

On white

5.86

#166C90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#166C90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166C90

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166C90	#FFFFFF	#000000	##FFFFFF
##166C90	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6B92

Deuteranopia (green-blind)

#4A608F

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #166c90;
/* rgb */ color: rgb(22, 108, 144);
/* oklch */ color: oklch(50.0% 0.095 232.1);

Tailwind

colors: {
  custom: {
    50: '#6a96b0',
    500: '#166c90',
    950: '#000000',
  },
}

SCSS

$custom: #166c90;
$custom-light: #6a96b0;
$custom-dark: #000000;

JSON

{
  "hex": "#166c90",
  "rgb": {
    "r": 22,
    "g": 108,
    "b": 144
  },
  "hsl": {
    "h": 197.705,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50044,
    "c": 0.09493,
    "h": 232.1
  },
  "luminance": 0.12909
}

Semantic roles & 50–950 ramp

primary

#166C90

secondary

#C26640

accent

#6E38F0

background

#F6F9FA

surface

#ECF1F5

border

#C7CBCF

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #166C90

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

Preview Lab → · Contrast checker → · Palette generator →