#556AD5#556AD5

#556AD5 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.4% C 0.165 H 271.8°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#556AD5
RGB	rgb(85, 106, 213)
HSL	hsl(230, 60%, 58%)
HSV	hsv(230, 60%, 84%)
CMYK	cmyk(60.1%, 50.2%, 0%, 16.5%)
CIE-LAB	lab(48.31, 24.61, -57.63)
CIE-LCH	lch(48.31, 62.66, 293.13°)
OKLab	oklab(56.37% 0.0051 -0.165)
OKLCH	oklch(56.37% 0.165 271.8)
XYZ	xyz(20.9066, 17.0418, 65.1256)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AD5 #D5C055

analogous

#55AAD5 #556AD5 #8055D5

triadic

#556AD5 #D5556A #6AD555

tetradic

#556AD5 #D555AA #D5C055 #55D580

square

#556AD5 #D555AA #D5C055 #55D580

split-complementary

#556AD5 #D58055 #AAD555

monochromatic

#23348D #2F46BE #556AD5 #8695E1 #B7C0ED

Accessibility & contrast

On white

4.76

#556AD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#556AD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AD5

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AD5	#FFFFFF	#000000	##FFFFFF
##556AD5	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3079D9

Deuteranopia (green-blind)

#116DD3

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #556ad5;
/* rgb */ color: rgb(85, 106, 213);
/* oklch */ color: oklch(56.4% 0.165 271.8);

Tailwind

colors: {
  custom: {
    50: '#9094e3',
    500: '#556ad5',
    950: '#000000',
  },
}

SCSS

$custom: #556ad5;
$custom-light: #9094e3;
$custom-dark: #000000;

JSON

{
  "hex": "#556ad5",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 213
  },
  "hsl": {
    "h": 230.156,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5637,
    "c": 0.16504,
    "h": 271.8
  },
  "luminance": 0.17043
}

Semantic roles & 50–950 ramp

primary

#556AD5

secondary

#DCD4A9

accent

#C944E4

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #556AD5

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

Preview Lab → · Contrast checker → · Palette generator →