#105566#105566

#105566 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 41.7% C 0.070 H 219.0°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#105566
RGB	rgb(16, 85, 102)
HSL	hsl(192, 73%, 23%)
HSV	hsv(192, 84%, 40%)
CMYK	cmyk(84.3%, 16.7%, 0%, 60%)
CIE-LAB	lab(33.06, -13.95, -15.68)
CIE-LCH	lch(33.06, 20.99, 228.33°)
OKLab	oklab(41.73% -0.0541 -0.0439)
OKLCH	oklch(41.73% 0.07 219)
XYZ	xyz(5.8594, 7.5657, 13.7193)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105566 #662110

analogous

#10664C #105566 #102A66

triadic

#105566 #661055 #556610

tetradic

#105566 #4C1066 #662110 #2A6610

square

#105566 #4C1066 #662110 #2A6610

split-complementary

#105566 #66102A #664C10

monochromatic

#04161A #082931 #105566 #18819B #21ADD0

Accessibility & contrast

On white

8.36

#105566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#105566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105566

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105566	#FFFFFF	#000000	##FFFFFF
##105566	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5267

Deuteranopia (green-blind)

#3F4A66

Tritanopia (blue-blind)

#005B5A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #105566;
/* rgb */ color: rgb(16, 85, 102);
/* oklch */ color: oklch(41.7% 0.070 219.0);

Tailwind

colors: {
  custom: {
    50: '#5f8591',
    500: '#105566',
    950: '#000000',
  },
}

SCSS

$custom: #105566;
$custom-light: #5f8591;
$custom-dark: #000000;

JSON

{
  "hex": "#105566",
  "rgb": {
    "r": 16,
    "g": 85,
    "b": 102
  },
  "hsl": {
    "h": 191.86,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.4173,
    "c": 0.06962,
    "h": 219
  },
  "luminance": 0.07566
}

Semantic roles & 50–950 ramp

primary

#105566

secondary

#9E4933

accent

#5C38F0

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0C

muted

#7A7C7D

Preview Lab

Preview with #105566

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

Preview Lab → · Contrast checker → · Palette generator →