#556DC0#556DC0

#556DC0 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.6% C 0.132 H 269.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#556DC0
RGB	rgb(85, 109, 192)
HSL	hsl(227, 46%, 54%)
HSV	hsv(227, 56%, 75%)
CMYK	cmyk(55.7%, 43.2%, 0%, 24.7%)
CIE-LAB	lab(47.85, 15.75, -46.34)
CIE-LCH	lch(47.85, 48.95, 288.77°)
OKLab	oklab(55.61% -0.0009 -0.1318)
OKLCH	oklch(55.61% 0.132 269.6)
XYZ	xyz(18.7262, 16.6730, 52.0904)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DC0 #C0A855

analogous

#55A3C0 #556DC0 #7355C0

triadic

#556DC0 #C0556D #6DC055

tetradic

#556DC0 #C055A3 #C0A855 #55C073

square

#556DC0 #C055A3 #C0A855 #55C073

split-complementary

#556DC0 #C07355 #A3C055

monochromatic

#2A3A71 #3A519D #556DC0 #8293D1 #AEBAE1

Accessibility & contrast

On white

4.84

#556DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#556DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556DC0

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DC0	#FFFFFF	#000000	##FFFFFF
##556DC0	1.00	4.84	4.33	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4977C3

Deuteranopia (green-blind)

#3C6DBE

Tritanopia (blue-blind)

#167F8D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #556dc0;
/* rgb */ color: rgb(85, 109, 192);
/* oklch */ color: oklch(55.6% 0.132 269.6);

Tailwind

colors: {
  custom: {
    50: '#8d96d3',
    500: '#556dc0',
    950: '#000000',
  },
}

SCSS

$custom: #556dc0;
$custom-light: #8d96d3;
$custom-dark: #000000;

JSON

{
  "hex": "#556dc0",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 192
  },
  "hsl": {
    "h": 226.542,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.55607,
    "c": 0.13177,
    "h": 269.6
  },
  "luminance": 0.16674
}

Semantic roles & 50–950 ramp

primary

#556DC0

secondary

#CFC5A2

accent

#B852D6

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556DC0

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

Preview Lab → · Contrast checker → · Palette generator →