#556166#556166

#556166 is a mid, near-neutral cyan. Relative luminance 0.114; OKLCH L 48.4% C 0.017 H 224.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#556166
RGB	rgb(85, 97, 102)
HSL	hsl(198, 9%, 37%)
HSV	hsv(198, 17%, 40%)
CMYK	cmyk(16.7%, 4.9%, 0%, 60%)
CIE-LAB	lab(40.31, -3.43, -4.40)
CIE-LCH	lch(40.31, 5.58, 232.06°)
OKLab	oklab(48.41% -0.012 -0.0119)
OKLCH	oklch(48.41% 0.017 224.8)
XYZ	xyz(10.4187, 11.4398, 14.2270)
Luminance	0.1144 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556166 #665A55

analogous

#556663 #556166 #555966

triadic

#556166 #665561 #616655

tetradic

#556166 #635566 #665A55 #596655

square

#556166 #635566 #665A55 #596655

split-complementary

#556166 #665559 #666355

monochromatic

#1D2223 #394145 #556166 #718187 #929EA4

Accessibility & contrast

On white

6.39

#556166 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#556166 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556166

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556166	#FFFFFF	#000000	##FFFFFF
##556166	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6066

Deuteranopia (green-blind)

#5C5E66

Tritanopia (blue-blind)

#506363

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #556166;
/* rgb */ color: rgb(85, 97, 102);
/* oklch */ color: oklch(48.4% 0.017 224.8);

Tailwind

colors: {
  custom: {
    50: '#858d91',
    500: '#556166',
    950: '#000000',
  },
}

SCSS

$custom: #556166;
$custom-light: #858d91;
$custom-dark: #000000;

JSON

{
  "hex": "#556166",
  "rgb": {
    "r": 85,
    "g": 97,
    "b": 102
  },
  "hsl": {
    "h": 197.647,
    "s": 9.091,
    "l": 36.667
  },
  "oklch": {
    "l": 0.48411,
    "c": 0.01687,
    "h": 224.8
  },
  "luminance": 0.1144
}

Semantic roles & 50–950 ramp

primary

#556166

secondary

#938884

accent

#8776B2

background

#F8F8F8

surface

#EFF0F0

border

#CACBCB

text

#0B0C0C

muted

#7C7D7D

Preview Lab

Preview with #556166

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

Preview Lab → · Contrast checker → · Palette generator →