#166B90#166B90

#166B90 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.8% C 0.096 H 233.1°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#166B90
RGB	rgb(22, 107, 144)
HSL	hsl(198, 73%, 33%)
HSV	hsv(198, 85%, 56%)
CMYK	cmyk(84.7%, 25.7%, 0%, 43.5%)
CIE-LAB	lab(42.30, -10.49, -27.07)
CIE-LCH	lch(42.30, 29.03, 248.82°)
OKLab	oklab(49.79% -0.0573 -0.0764)
OKLCH	oklch(49.79% 0.096 233.1)
XYZ	xyz(10.6206, 12.6982, 28.2714)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166B90 #903B16

analogous

#169078 #166B90 #162E90

triadic

#166B90 #90166B #6B9016

tetradic

#166B90 #781690 #903B16 #2E9016

square

#166B90 #781690 #903B16 #2E9016

split-complementary

#166B90 #90162E #907816

monochromatic

#061C26 #0E445B #166B90 #1E92C5 #3FB0E2

Accessibility & contrast

On white

5.93

#166B90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#166B90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166B90

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166B90	#FFFFFF	#000000	##FFFFFF
##166B90	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596A92

Deuteranopia (green-blind)

#495F8F

Tritanopia (blue-blind)

#007578

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #166b90;
/* rgb */ color: rgb(22, 107, 144);
/* oklch */ color: oklch(49.8% 0.096 233.1);

Tailwind

colors: {
  custom: {
    50: '#6a95b0',
    500: '#166b90',
    950: '#000000',
  },
}

SCSS

$custom: #166b90;
$custom-light: #6a95b0;
$custom-dark: #000000;

JSON

{
  "hex": "#166b90",
  "rgb": {
    "r": 22,
    "g": 107,
    "b": 144
  },
  "hsl": {
    "h": 198.197,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.49789,
    "c": 0.0955,
    "h": 233.1
  },
  "luminance": 0.127
}

Semantic roles & 50–950 ramp

primary

#166B90

secondary

#C26740

accent

#7038F0

background

#F6F9FA

surface

#ECF1F5

border

#C7CBCF

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #166B90

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

Preview Lab → · Contrast checker → · Palette generator →