#556DC7#556DC7

#556DC7 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.0% C 0.142 H 270.1°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#556DC7
RGB	rgb(85, 109, 199)
HSL	hsl(227, 50%, 56%)
HSV	hsv(227, 57%, 78%)
CMYK	cmyk(57.3%, 45.2%, 0%, 22%)
CIE-LAB	lab(48.25, 18.07, -49.73)
CIE-LCH	lch(48.25, 52.91, 289.97°)
OKLab	oklab(56.05% 0.0002 -0.1417)
OKLCH	oklch(56.05% 0.142 270.1)
XYZ	xyz(19.5203, 16.9906, 56.2726)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DC7 #C7AF55

analogous

#55A6C7 #556DC7 #7655C7

triadic

#556DC7 #C7556D #6DC755

tetradic

#556DC7 #C755A6 #C7AF55 #55C776

square

#556DC7 #C755A6 #C7AF55 #55C776

split-complementary

#556DC7 #C77655 #A6C755

monochromatic

#28397A #374FA8 #556DC7 #8395D6 #B1BCE5

Accessibility & contrast

On white

4.77

#556DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#556DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556DC7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DC7	#FFFFFF	#000000	##FFFFFF
##556DC7	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4478CA

Deuteranopia (green-blind)

#346EC5

Tritanopia (blue-blind)

#018190

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #556dc7;
/* rgb */ color: rgb(85, 109, 199);
/* oklch */ color: oklch(56.0% 0.142 270.1);

Tailwind

colors: {
  custom: {
    50: '#8e96d8',
    500: '#556dc7',
    950: '#000000',
  },
}

SCSS

$custom: #556dc7;
$custom-light: #8e96d8;
$custom-dark: #000000;

JSON

{
  "hex": "#556dc7",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 199
  },
  "hsl": {
    "h": 227.368,
    "s": 50.442,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56045,
    "c": 0.1417,
    "h": 270.1
  },
  "luminance": 0.16992
}

Semantic roles & 50–950 ramp

primary

#556DC7

secondary

#D4CAA4

accent

#BC4EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556DC7

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

Preview Lab → · Contrast checker → · Palette generator →