#556FF0#556FF0

#556FF0 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.2% C 0.195 H 270.7°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#556FF0
RGB	rgb(85, 111, 240)
HSL	hsl(230, 84%, 64%)
HSV	hsv(230, 65%, 94%)
CMYK	cmyk(64.6%, 53.8%, 0%, 5.9%)
CIE-LAB	lab(51.37, 30.63, -67.91)
CIE-LCH	lch(51.37, 74.50, 294.28°)
OKLab	oklab(59.24% 0.0024 -0.1952)
OKLCH	oklch(59.24% 0.195 270.7)
XYZ	xyz(25.1536, 19.5892, 84.8767)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FF0 #F0D655

analogous

#55BDF0 #556FF0 #8855F0

triadic

#556FF0 #F0556F #6FF055

tetradic

#556FF0 #F055BD #F0D655 #55F088

square

#556FF0 #F055BD #F0D655 #55F088

split-complementary

#556FF0 #F08855 #BDF055

monochromatic

#102DBA #1D3FEB #556FF0 #8D9FF5 #C5CEFA

Accessibility & contrast

On white

4.27

#556FF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#556FF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FF0

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FF0	#FFFFFF	#000000	##000000
##556FF0	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0982F4

Deuteranopia (green-blind)

#0074ED

Tritanopia (blue-blind)

#008EA5

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #556ff0;
/* rgb */ color: rgb(85, 111, 240);
/* oklch */ color: oklch(59.2% 0.195 270.7);

Tailwind

colors: {
  custom: {
    50: '#9498f6',
    500: '#556ff0',
    950: '#000000',
  },
}

SCSS

$custom: #556ff0;
$custom-light: #9498f6;
$custom-dark: #000000;

JSON

{
  "hex": "#556ff0",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 240
  },
  "hsl": {
    "h": 229.935,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.59242,
    "c": 0.19518,
    "h": 270.7
  },
  "luminance": 0.19591
}

Semantic roles & 50–950 ramp

primary

#556FF0

secondary

#ECE3B5

accent

#BB05E0

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #556FF0

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

Preview Lab → · Contrast checker → · Palette generator →