#556B7A#556B7A

#556B7A is a mid, muted cyan. Relative luminance 0.139; OKLCH L 51.6% C 0.035 H 238.2°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#556B7A
RGB	rgb(85, 107, 122)
HSL	hsl(204, 18%, 41%)
HSV	hsv(204, 30%, 48%)
CMYK	cmyk(30.3%, 12.3%, 0%, 52.2%)
CIE-LAB	lab(44.02, -4.33, -11.00)
CIE-LCH	lch(44.02, 11.82, 248.54°)
OKLab	oklab(51.56% -0.0187 -0.0301)
OKLCH	oklch(51.56% 0.035 238.2)
XYZ	xyz(12.5158, 13.8513, 20.4227)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556B7A #7A6455

analogous

#557A76 #556B7A #55597A

triadic

#556B7A #7A556B #6B7A55

tetradic

#556B7A #76557A #7A6455 #597A55

square

#556B7A #76557A #7A6455 #597A55

split-complementary

#556B7A #7A5559 #7A7655

monochromatic

#232C32 #3C4B56 #556B7A #708A9C #95A8B5

Accessibility & contrast

On white

5.57

#556B7A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#556B7A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556B7A

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556B7A	#FFFFFF	#000000	##FFFFFF
##556B7A	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646A7B

Deuteranopia (green-blind)

#5F667A

Tritanopia (blue-blind)

#4A6F70

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #556b7a;
/* rgb */ color: rgb(85, 107, 122);
/* oklch */ color: oklch(51.6% 0.035 238.2);

Tailwind

colors: {
  custom: {
    50: '#8695a0',
    500: '#556b7a',
    950: '#000000',
  },
}

SCSS

$custom: #556b7a;
$custom-light: #8695a0;
$custom-dark: #000000;

JSON

{
  "hex": "#556b7a",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 122
  },
  "hsl": {
    "h": 204.324,
    "s": 17.874,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51564,
    "c": 0.03542,
    "h": 238.2
  },
  "luminance": 0.13852
}

Semantic roles & 50–950 ramp

primary

#556B7A

secondary

#A39388

accent

#8D6DBB

background

#F8F9F9

surface

#EFF1F2

border

#CACBCC

text

#0B0D0E

muted

#7C7E7E

Preview Lab

Preview with #556B7A

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

Preview Lab → · Contrast checker → · Palette generator →