#556EA3#556EA3

#556EA3 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.2% C 0.089 H 264.4°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#556EA3
RGB	rgb(85, 110, 163)
HSL	hsl(221, 31%, 49%)
HSV	hsv(221, 48%, 64%)
CMYK	cmyk(47.9%, 32.5%, 0%, 36.1%)
CIE-LAB	lab(46.61, 5.79, -31.41)
CIE-LCH	lch(46.61, 31.94, 280.45°)
OKLab	oklab(54.16% -0.0087 -0.0882)
OKLCH	oklch(54.16% 0.089 264.4)
XYZ	xyz(15.9310, 15.7265, 36.8393)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EA3 #A38A55

analogous

#5595A3 #556EA3 #6355A3

triadic

#556EA3 #A3556E #6EA355

tetradic

#556EA3 #A35595 #A38A55 #55A363

square

#556EA3 #A35595 #A38A55 #55A363

split-complementary

#556EA3 #A36355 #95A355

monochromatic

#2B3853 #40537B #556EA3 #7B8FBA #A3B1CF

Accessibility & contrast

On white

5.07

#556EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#556EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EA3

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EA3	#FFFFFF	#000000	##FFFFFF
##556EA3	1.00	5.07	4.15	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A72A5

Deuteranopia (green-blind)

#526BA2

Tritanopia (blue-blind)

#367981

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #556ea3;
/* rgb */ color: rgb(85, 110, 163);
/* oklch */ color: oklch(54.2% 0.089 264.4);

Tailwind

colors: {
  custom: {
    50: '#8997be',
    500: '#556ea3',
    950: '#000000',
  },
}

SCSS

$custom: #556ea3;
$custom-light: #8997be;
$custom-dark: #000000;

JSON

{
  "hex": "#556ea3",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 163
  },
  "hsl": {
    "h": 220.769,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54162,
    "c": 0.08862,
    "h": 264.4
  },
  "luminance": 0.15727
}

Semantic roles & 50–950 ramp

primary

#556EA3

secondary

#BDB197

accent

#A660C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556EA3

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

Preview Lab → · Contrast checker → · Palette generator →