#166581#166581

#166581 is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.5% C 0.084 H 227.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#166581
RGB	rgb(22, 101, 129)
HSL	hsl(196, 71%, 30%)
HSV	hsv(196, 83%, 51%)
CMYK	cmyk(82.9%, 21.7%, 0%, 49.4%)
CIE-LAB	lab(39.68, -12.58, -22.11)
CIE-LCH	lch(39.68, 25.44, 240.35°)
OKLab	oklab(47.47% -0.0571 -0.0621)
OKLCH	oklch(47.47% 0.084 227.4)
XYZ	xyz(8.9454, 11.0618, 22.4283)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166581 #813216

analogous

#168168 #166581 #163081

triadic

#166581 #811665 #658116

tetradic

#166581 #681681 #813216 #308116

square

#166581 #681681 #813216 #308116

split-complementary

#166581 #811630 #816816

monochromatic

#04141A #0D3C4D #166581 #1F8EB5 #35B1DD

Accessibility & contrast

On white

6.54

#166581 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#166581 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166581

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166581	#FFFFFF	#000000	##FFFFFF
##166581	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566382

Deuteranopia (green-blind)

#485981

Tritanopia (blue-blind)

#006D6E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #166581;
/* rgb */ color: rgb(22, 101, 129);
/* oklch */ color: oklch(47.5% 0.084 227.4);

Tailwind

colors: {
  custom: {
    50: '#6791a5',
    500: '#166581',
    950: '#000000',
  },
}

SCSS

$custom: #166581;
$custom-light: #6791a5;
$custom-dark: #000000;

JSON

{
  "hex": "#166581",
  "rgb": {
    "r": 22,
    "g": 101,
    "b": 129
  },
  "hsl": {
    "h": 195.701,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.47469,
    "c": 0.0844,
    "h": 227.4
  },
  "luminance": 0.11063
}

Semantic roles & 50–950 ramp

primary

#166581

secondary

#B65D3D

accent

#693AEE

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #166581

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

Preview Lab → · Contrast checker → · Palette generator →