#556FC7#556FC7

#556FC7 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.5% C 0.139 H 269.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#556FC7
RGB	rgb(85, 111, 199)
HSL	hsl(226, 50%, 56%)
HSV	hsv(226, 57%, 78%)
CMYK	cmyk(57.3%, 44.2%, 0%, 22%)
CIE-LAB	lab(48.79, 16.82, -48.87)
CIE-LCH	lch(48.79, 51.68, 289.00°)
OKLab	oklab(56.46% -0.0019 -0.1391)
OKLCH	oklch(56.46% 0.139 269.2)
XYZ	xyz(19.7361, 17.4222, 56.3445)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FC7 #C7AD55

analogous

#55A8C7 #556FC7 #7455C7

triadic

#556FC7 #C7556F #6FC755

tetradic

#556FC7 #C755A8 #C7AD55 #55C774

square

#556FC7 #C755A8 #C7AD55 #55C774

split-complementary

#556FC7 #C77455 #A8C755

monochromatic

#283B7A #3751A8 #556FC7 #8396D6 #B1BDE5

Accessibility & contrast

On white

4.68

#556FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#556FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FC7

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FC7	#FFFFFF	#000000	##FFFFFF
##556FC7	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4879CA

Deuteranopia (green-blind)

#386FC5

Tritanopia (blue-blind)

#008391

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556fc7;
/* rgb */ color: rgb(85, 111, 199);
/* oklch */ color: oklch(56.5% 0.139 269.2);

Tailwind

colors: {
  custom: {
    50: '#8e98d8',
    500: '#556fc7',
    950: '#000000',
  },
}

SCSS

$custom: #556fc7;
$custom-light: #8e98d8;
$custom-dark: #000000;

JSON

{
  "hex": "#556fc7",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 199
  },
  "hsl": {
    "h": 226.316,
    "s": 50.442,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56458,
    "c": 0.13916,
    "h": 269.2
  },
  "luminance": 0.17424
}

Semantic roles & 50–950 ramp

primary

#556FC7

secondary

#D4C9A4

accent

#BA4EDA

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556FC7

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

Preview Lab → · Contrast checker → · Palette generator →