#556DA9#556DA9

#556DA9 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.3% C 0.099 H 266.6°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#556DA9
RGB	rgb(85, 109, 169)
HSL	hsl(223, 33%, 50%)
HSV	hsv(223, 50%, 66%)
CMYK	cmyk(49.7%, 35.5%, 0%, 33.7%)
CIE-LAB	lab(46.62, 8.29, -34.92)
CIE-LCH	lch(46.62, 35.89, 283.36°)
OKLab	oklab(54.26% -0.0058 -0.0984)
OKLCH	oklch(54.26% 0.099 266.6)
XYZ	xyz(16.3741, 15.7321, 39.7022)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DA9 #A99155

analogous

#5597A9 #556DA9 #6755A9

triadic

#556DA9 #A9556D #6DA955

tetradic

#556DA9 #A95597 #A99155 #55A967

square

#556DA9 #A95597 #A99155 #55A967

split-complementary

#556DA9 #A96755 #97A955

monochromatic

#2C3858 #415380 #556DA9 #7D90BE #A6B3D2

Accessibility & contrast

On white

5.06

#556DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#556DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556DA9

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DA9	#FFFFFF	#000000	##FFFFFF
##556DA9	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5673AB

Deuteranopia (green-blind)

#4D6BA8

Tritanopia (blue-blind)

#327A83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #556da9;
/* rgb */ color: rgb(85, 109, 169);
/* oklch */ color: oklch(54.3% 0.099 266.6);

Tailwind

colors: {
  custom: {
    50: '#8a96c3',
    500: '#556da9',
    950: '#000000',
  },
}

SCSS

$custom: #556da9;
$custom-light: #8a96c3;
$custom-dark: #000000;

JSON

{
  "hex": "#556da9",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 169
  },
  "hsl": {
    "h": 222.857,
    "s": 33.071,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54264,
    "c": 0.09855,
    "h": 266.6
  },
  "luminance": 0.15733
}

Semantic roles & 50–950 ramp

primary

#556DA9

secondary

#C0B59A

accent

#AB5FC9

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556DA9

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

Preview Lab → · Contrast checker → · Palette generator →