#166683#166683

#166683 is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.8% C 0.086 H 228.0°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#166683
RGB	rgb(22, 102, 131)
HSL	hsl(196, 71%, 30%)
HSV	hsv(196, 83%, 51%)
CMYK	cmyk(83.2%, 22.1%, 0%, 48.6%)
CIE-LAB	lab(40.10, -12.42, -22.68)
CIE-LCH	lch(40.10, 25.86, 241.28°)
OKLab	oklab(47.83% -0.0573 -0.0638)
OKLCH	oklch(47.83% 0.086 228)
XYZ	xyz(9.1773, 11.3109, 23.1679)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166683 #833316

analogous

#168369 #166683 #163083

triadic

#166683 #831666 #668316

tetradic

#166683 #691683 #833316 #308316

square

#166683 #691683 #833316 #308316

split-complementary

#166683 #831630 #836916

monochromatic

#04141A #0D3D4F #166683 #1F8FB7 #36B1DD

Accessibility & contrast

On white

6.44

#166683 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#166683 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166683

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166683	#FFFFFF	#000000	##FFFFFF
##166683	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576484

Deuteranopia (green-blind)

#485A83

Tritanopia (blue-blind)

#006E70

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #166683;
/* rgb */ color: rgb(22, 102, 131);
/* oklch */ color: oklch(47.8% 0.086 228.0);

Tailwind

colors: {
  custom: {
    50: '#6891a7',
    500: '#166683',
    950: '#000000',
  },
}

SCSS

$custom: #166683;
$custom-light: #6891a7;
$custom-dark: #000000;

JSON

{
  "hex": "#166683",
  "rgb": {
    "r": 22,
    "g": 102,
    "b": 131
  },
  "hsl": {
    "h": 195.963,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.4783,
    "c": 0.08575,
    "h": 228
  },
  "luminance": 0.11312
}

Semantic roles & 50–950 ramp

primary

#166683

secondary

#B75E3D

accent

#6A3AEE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #166683

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

Preview Lab → · Contrast checker → · Palette generator →