#556DF0#556DF0

#556DF0 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.9% C 0.198 H 271.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#556DF0
RGB	rgb(85, 109, 240)
HSL	hsl(231, 84%, 64%)
HSV	hsv(231, 65%, 94%)
CMYK	cmyk(64.6%, 54.6%, 0%, 5.9%)
CIE-LAB	lab(50.87, 31.86, -68.72)
CIE-LCH	lch(50.87, 75.74, 294.87°)
OKLab	oklab(58.87% 0.0042 -0.1976)
OKLCH	oklch(58.87% 0.198 271.2)
XYZ	xyz(24.9378, 19.1576, 84.8048)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DF0 #F0D855

analogous

#55BAF0 #556DF0 #8A55F0

triadic

#556DF0 #F0556D #6DF055

tetradic

#556DF0 #F055BA #F0D855 #55F08A

square

#556DF0 #F055BA #F0D855 #55F08A

split-complementary

#556DF0 #F08A55 #BAF055

monochromatic

#102BBA #1D3DEB #556DF0 #8D9DF5 #C5CEFA

Accessibility & contrast

On white

4.35

#556DF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#556DF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556DF0

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DF0	#FFFFFF	#000000	##000000
##556DF0	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080F5

Deuteranopia (green-blind)

#0072ED

Tritanopia (blue-blind)

#008CA4

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556df0;
/* rgb */ color: rgb(85, 109, 240);
/* oklch */ color: oklch(58.9% 0.198 271.2);

Tailwind

colors: {
  custom: {
    50: '#9496f6',
    500: '#556df0',
    950: '#000000',
  },
}

SCSS

$custom: #556df0;
$custom-light: #9496f6;
$custom-dark: #000000;

JSON

{
  "hex": "#556df0",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 240
  },
  "hsl": {
    "h": 230.71,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.58868,
    "c": 0.1976,
    "h": 271.2
  },
  "luminance": 0.1916
}

Semantic roles & 50–950 ramp

primary

#556DF0

secondary

#ECE3B5

accent

#BE05E0

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #556DF0

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

Preview Lab → · Contrast checker → · Palette generator →