#556A8D#556A8D

#556A8D is a mid, moderate blue. Relative luminance 0.142; OKLCH L 52.2% C 0.061 H 260.4°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#556A8D
RGB	rgb(85, 106, 141)
HSL	hsl(218, 25%, 44%)
HSV	hsv(218, 40%, 55%)
CMYK	cmyk(39.7%, 24.8%, 0%, 44.7%)
CIE-LAB	lab(44.46, 1.58, -21.72)
CIE-LCH	lch(44.46, 21.78, 274.16°)
OKLab	oklab(52.16% -0.0101 -0.0603)
OKLCH	oklch(52.16% 0.061 260.4)
XYZ	xyz(13.7066, 14.1618, 27.2054)
Luminance	0.1416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556A8D #8D7855

analogous

#55868D #556A8D #5C558D

triadic

#556A8D #8D556A #6A8D55

tetradic

#556A8D #8D5586 #8D7855 #558D5C

square

#556A8D #8D5586 #8D7855 #558D5C

split-complementary

#556A8D #8D5C55 #868D55

monochromatic

#273141 #3E4D67 #556A8D #7489AB #9AA9C2

Accessibility & contrast

On white

5.48

#556A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#556A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556A8D

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556A8D	#FFFFFF	#000000	##FFFFFF
##556A8D	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6C8F

Deuteranopia (green-blind)

#58678C

Tritanopia (blue-blind)

#437176

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #556a8d;
/* rgb */ color: rgb(85, 106, 141);
/* oklch */ color: oklch(52.2% 0.061 260.4);

Tailwind

colors: {
  custom: {
    50: '#8794ae',
    500: '#556a8d',
    950: '#000000',
  },
}

SCSS

$custom: #556a8d;
$custom-light: #8794ae;
$custom-dark: #000000;

JSON

{
  "hex": "#556a8d",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 141
  },
  "hsl": {
    "h": 217.5,
    "s": 24.779,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5216,
    "c": 0.06116,
    "h": 260.4
  },
  "luminance": 0.14162
}

Semantic roles & 50–950 ramp

primary

#556A8D

secondary

#B0A38E

accent

#9F67C1

background

#F8F9FA

surface

#F0F1F4

border

#CBCBCE

text

#0B0D10

muted

#7C7E7F

Preview Lab

Preview with #556A8D

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

Preview Lab → · Contrast checker → · Palette generator →