#556FC0#556FC0

#556FC0 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.129 H 268.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#556FC0
RGB	rgb(85, 111, 192)
HSL	hsl(225, 46%, 54%)
HSV	hsv(225, 56%, 75%)
CMYK	cmyk(55.7%, 42.2%, 0%, 24.7%)
CIE-LAB	lab(48.39, 14.51, -45.47)
CIE-LCH	lch(48.39, 47.73, 287.69°)
OKLab	oklab(56.03% -0.0032 -0.1292)
OKLCH	oklch(56.03% 0.129 268.6)
XYZ	xyz(18.9420, 17.1045, 52.1623)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FC0 #C0A655

analogous

#55A4C0 #556FC0 #7155C0

triadic

#556FC0 #C0556F #6FC055

tetradic

#556FC0 #C055A4 #C0A655 #55C071

square

#556FC0 #C055A4 #C0A655 #55C071

split-complementary

#556FC0 #C07155 #A4C055

monochromatic

#2A3B71 #3A529D #556FC0 #8295D1 #AEBBE1

Accessibility & contrast

On white

4.75

#556FC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#556FC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FC0

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FC0	#FFFFFF	#000000	##FFFFFF
##556FC0	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C78C3

Deuteranopia (green-blind)

#3F6EBE

Tritanopia (blue-blind)

#15818E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #556fc0;
/* rgb */ color: rgb(85, 111, 192);
/* oklch */ color: oklch(56.0% 0.129 268.6);

Tailwind

colors: {
  custom: {
    50: '#8d98d3',
    500: '#556fc0',
    950: '#000000',
  },
}

SCSS

$custom: #556fc0;
$custom-light: #8d98d3;
$custom-dark: #000000;

JSON

{
  "hex": "#556fc0",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 192
  },
  "hsl": {
    "h": 225.421,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56026,
    "c": 0.12924,
    "h": 268.6
  },
  "luminance": 0.17106
}

Semantic roles & 50–950 ramp

primary

#556FC0

secondary

#CFC4A2

accent

#B652D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556FC0

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

Preview Lab → · Contrast checker → · Palette generator →