#556FCD#556FCD

#556FCD is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.8% C 0.148 H 269.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#556FCD
RGB	rgb(85, 111, 205)
HSL	hsl(227, 55%, 57%)
HSV	hsv(227, 59%, 80%)
CMYK	cmyk(58.5%, 45.9%, 0%, 19.6%)
CIE-LAB	lab(49.14, 18.83, -51.74)
CIE-LCH	lch(49.14, 55.06, 289.99°)
OKLab	oklab(56.84% -0.001 -0.1476)
OKLCH	oklch(56.84% 0.148 269.6)
XYZ	xyz(20.4465, 17.7063, 60.0860)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FCD #CDB355

analogous

#55ABCD #556FCD #7755CD

triadic

#556FCD #CD556F #6FCD55

tetradic

#556FCD #CD55AB #CDB355 #55CD77

square

#556FCD #CD55AB #CDB355 #55CD77

split-complementary

#556FCD #CD7755 #ABCD55

monochromatic

#263A82 #344FB1 #556FCD #8497DB #B4BFE9

Accessibility & contrast

On white

4.62

#556FCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#556FCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556FCD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FCD	#FFFFFF	#000000	##FFFFFF
##556FCD	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437AD1

Deuteranopia (green-blind)

#3170CB

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556fcd;
/* rgb */ color: rgb(85, 111, 205);
/* oklch */ color: oklch(56.8% 0.148 269.6);

Tailwind

colors: {
  custom: {
    50: '#8e98dd',
    500: '#556fcd',
    950: '#000000',
  },
}

SCSS

$custom: #556fcd;
$custom-light: #8e98dd;
$custom-dark: #000000;

JSON

{
  "hex": "#556fcd",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 205
  },
  "hsl": {
    "h": 227,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.56839,
    "c": 0.14759,
    "h": 269.6
  },
  "luminance": 0.17708
}

Semantic roles & 50–950 ramp

primary

#556FCD

secondary

#D7CDA6

accent

#BE4ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556FCD

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

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