#166580#166580

#166580 is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.4% C 0.084 H 226.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#166580
RGB	rgb(22, 101, 128)
HSL	hsl(195, 71%, 29%)
HSV	hsv(195, 83%, 50%)
CMYK	cmyk(82.8%, 21.1%, 0%, 49.8%)
CIE-LAB	lab(39.64, -12.95, -21.57)
CIE-LCH	lch(39.64, 25.16, 239.01°)
OKLab	oklab(47.42% -0.0575 -0.0606)
OKLCH	oklch(47.42% 0.084 226.5)
XYZ	xyz(8.8792, 11.0353, 22.0799)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166580 #803116

analogous

#168066 #166580 #163080

triadic

#166580 #801665 #658016

tetradic

#166580 #661680 #803116 #308016

square

#166580 #661680 #803116 #308016

split-complementary

#166580 #801630 #806616

monochromatic

#04151A #0D3C4C #166580 #1F8EB4 #34B1DC

Accessibility & contrast

On white

6.55

#166580 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#166580 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166580

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166580	#FFFFFF	#000000	##FFFFFF
##166580	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566381

Deuteranopia (green-blind)

#495980

Tritanopia (blue-blind)

#006D6E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #166580;
/* rgb */ color: rgb(22, 101, 128);
/* oklch */ color: oklch(47.4% 0.084 226.5);

Tailwind

colors: {
  custom: {
    50: '#6791a5',
    500: '#166580',
    950: '#000000',
  },
}

SCSS

$custom: #166580;
$custom-light: #6791a5;
$custom-dark: #000000;

JSON

{
  "hex": "#166580",
  "rgb": {
    "r": 22,
    "g": 101,
    "b": 128
  },
  "hsl": {
    "h": 195.283,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.47418,
    "c": 0.08354,
    "h": 226.5
  },
  "luminance": 0.11036
}

Semantic roles & 50–950 ramp

primary

#166580

secondary

#B55C3D

accent

#683AED

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #166580

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

Preview Lab → · Contrast checker → · Palette generator →