#166684#166684

#166684 is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.9% C 0.087 H 228.9°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#166684
RGB	rgb(22, 102, 132)
HSL	hsl(196, 71%, 30%)
HSV	hsv(196, 83%, 52%)
CMYK	cmyk(83.3%, 22.7%, 0%, 48.2%)
CIE-LAB	lab(40.14, -12.05, -23.21)
CIE-LCH	lch(40.14, 26.15, 242.56°)
OKLab	oklab(47.88% -0.0569 -0.0653)
OKLCH	oklch(47.88% 0.087 228.9)
XYZ	xyz(9.2454, 11.3381, 23.5265)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166684 #843416

analogous

#16846B #166684 #162F84

triadic

#166684 #841666 #668416

tetradic

#166684 #6B1684 #843416 #2F8416

square

#166684 #6B1684 #843416 #2F8416

split-complementary

#166684 #84162F #846B16

monochromatic

#05151B #0D3D50 #166684 #1F8FB8 #37B0DE

Accessibility & contrast

On white

6.43

#166684 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#166684 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166684

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166684	#FFFFFF	#000000	##FFFFFF
##166684	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566485

Deuteranopia (green-blind)

#485A84

Tritanopia (blue-blind)

#006E70

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #166684;
/* rgb */ color: rgb(22, 102, 132);
/* oklch */ color: oklch(47.9% 0.087 228.9);

Tailwind

colors: {
  custom: {
    50: '#6891a8',
    500: '#166684',
    950: '#000000',
  },
}

SCSS

$custom: #166684;
$custom-light: #6891a8;
$custom-dark: #000000;

JSON

{
  "hex": "#166684",
  "rgb": {
    "r": 22,
    "g": 102,
    "b": 132
  },
  "hsl": {
    "h": 196.364,
    "s": 71.429,
    "l": 30.196
  },
  "oklch": {
    "l": 0.47881,
    "c": 0.08664,
    "h": 228.9
  },
  "luminance": 0.11339
}

Semantic roles & 50–950 ramp

primary

#166684

secondary

#B85F3D

accent

#6B3AEE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #166684

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

Preview Lab → · Contrast checker → · Palette generator →