#556FA4#556FA4

#556FA4 is a mid, moderate blue. Relative luminance 0.160; OKLCH L 54.4% C 0.089 H 263.7°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#556FA4
RGB	rgb(85, 111, 164)
HSL	hsl(220, 32%, 49%)
HSV	hsv(220, 48%, 64%)
CMYK	cmyk(48.2%, 32.3%, 0%, 35.7%)
CIE-LAB	lab(46.95, 5.49, -31.47)
CIE-LCH	lch(46.95, 31.95, 279.90°)
OKLab	oklab(54.44% -0.0097 -0.0884)
OKLCH	oklch(54.44% 0.089 263.7)
XYZ	xyz(16.1294, 15.9795, 37.3492)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FA4 #A48A55

analogous

#5597A4 #556FA4 #6355A4

triadic

#556FA4 #A4556F #6FA455

tetradic

#556FA4 #A45597 #A48A55 #55A463

square

#556FA4 #A45597 #A48A55 #55A463

split-complementary

#556FA4 #A46355 #97A455

monochromatic

#2B3853 #40547C #556FA4 #7B90BB #A4B2D0

Accessibility & contrast

On white

5.00

#556FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#556FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FA4

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FA4	#FFFFFF	#000000	##FFFFFF
##556FA4	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B73A6

Deuteranopia (green-blind)

#536CA3

Tritanopia (blue-blind)

#357A82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556fa4;
/* rgb */ color: rgb(85, 111, 164);
/* oklch */ color: oklch(54.4% 0.089 263.7);

Tailwind

colors: {
  custom: {
    50: '#8998bf',
    500: '#556fa4',
    950: '#000000',
  },
}

SCSS

$custom: #556fa4;
$custom-light: #8998bf;
$custom-dark: #000000;

JSON

{
  "hex": "#556fa4",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 164
  },
  "hsl": {
    "h": 220.253,
    "s": 31.727,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54438,
    "c": 0.0889,
    "h": 263.7
  },
  "luminance": 0.15981
}

Semantic roles & 50–950 ramp

primary

#556FA4

secondary

#BDB198

accent

#A660C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556FA4

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

Preview Lab → · Contrast checker → · Palette generator →