#556B71#556B71

#556B71 is a mid, muted cyan. Relative luminance 0.136; OKLCH L 51.2% C 0.028 H 216.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#556B71
RGB	rgb(85, 107, 113)
HSL	hsl(193, 14%, 39%)
HSV	hsv(193, 25%, 44%)
CMYK	cmyk(24.8%, 5.3%, 0%, 55.7%)
CIE-LAB	lab(43.71, -6.65, -6.04)
CIE-LCH	lch(43.71, 8.98, 222.25°)
OKLab	oklab(51.22% -0.0225 -0.0164)
OKLCH	oklch(51.22% 0.028 216.2)
XYZ	xyz(11.9838, 13.6385, 17.6207)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556B71 #715B55

analogous

#557169 #556B71 #555D71

triadic

#556B71 #71556B #6B7155

tetradic

#556B71 #695571 #715B55 #5D7155

square

#556B71 #695571 #715B55 #5D7155

split-complementary

#556B71 #71555D #716955

monochromatic

#20292B #3B4A4E #556B71 #708C93 #93A8AE

Accessibility & contrast

On white

5.63

#556B71 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#556B71 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556B71

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556B71	#FFFFFF	#000000	##FFFFFF
##556B71	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676971

Deuteranopia (green-blind)

#626671

Tritanopia (blue-blind)

#4D6D6D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #556b71;
/* rgb */ color: rgb(85, 107, 113);
/* oklch */ color: oklch(51.2% 0.028 216.2);

Tailwind

colors: {
  custom: {
    50: '#859599',
    500: '#556b71',
    950: '#000000',
  },
}

SCSS

$custom: #556b71;
$custom-light: #859599;
$custom-dark: #000000;

JSON

{
  "hex": "#556b71",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 113
  },
  "hsl": {
    "h": 192.857,
    "s": 14.141,
    "l": 38.824
  },
  "oklch": {
    "l": 0.51218,
    "c": 0.02782,
    "h": 216.2
  },
  "luminance": 0.13639
}

Semantic roles & 50–950 ramp

primary

#556B71

secondary

#9C8B86

accent

#8071B7

background

#F8F9F9

surface

#EFF1F2

border

#CACBCC

text

#0B0D0E

muted

#7C7E7E

Preview Lab

Preview with #556B71

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

Preview Lab → · Contrast checker → · Palette generator →