#556D8D#556D8D

#556D8D is a mid, muted cyan. Relative luminance 0.148; OKLCH L 52.9% C 0.058 H 255.8°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#556D8D
RGB	rgb(85, 109, 141)
HSL	hsl(214, 25%, 44%)
HSV	hsv(214, 40%, 55%)
CMYK	cmyk(39.7%, 22.7%, 0%, 44.7%)
CIE-LAB	lab(45.35, -0.23, -20.36)
CIE-LCH	lch(45.35, 20.36, 269.34°)
OKLab	oklab(52.85% -0.0143 -0.0564)
OKLCH	oklch(52.85% 0.058 255.8)
XYZ	xyz(14.0212, 14.7909, 27.3103)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556D8D #8D7555

analogous

#55898D #556D8D #59558D

triadic

#556D8D #8D556D #6D8D55

tetradic

#556D8D #8D5589 #8D7555 #558D59

square

#556D8D #8D5589 #8D7555 #558D59

split-complementary

#556D8D #8D5955 #898D55

monochromatic

#273241 #3E4F67 #556D8D #748CAB #9AABC2

Accessibility & contrast

On white

5.31

#556D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#556D8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556D8D

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556D8D	#FFFFFF	#000000	##FFFFFF
##556D8D	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616E8E

Deuteranopia (green-blind)

#5B698C

Tritanopia (blue-blind)

#427478

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #556d8d;
/* rgb */ color: rgb(85, 109, 141);
/* oklch */ color: oklch(52.9% 0.058 255.8);

Tailwind

colors: {
  custom: {
    50: '#8796ae',
    500: '#556d8d',
    950: '#000000',
  },
}

SCSS

$custom: #556d8d;
$custom-light: #8796ae;
$custom-dark: #000000;

JSON

{
  "hex": "#556d8d",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 141
  },
  "hsl": {
    "h": 214.286,
    "s": 24.779,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52851,
    "c": 0.05821,
    "h": 255.8
  },
  "luminance": 0.14792
}

Semantic roles & 50–950 ramp

primary

#556D8D

secondary

#B0A18E

accent

#9A67C1

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0D10

muted

#7C7E7F

Preview Lab

Preview with #556D8D

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

Preview Lab → · Contrast checker → · Palette generator →