#556BC2#556BC2

#556BC2 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.137 H 270.7°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#556BC2
RGB	rgb(85, 107, 194)
HSL	hsl(228, 47%, 55%)
HSV	hsv(228, 56%, 76%)
CMYK	cmyk(56.2%, 44.8%, 0%, 23.9%)
CIE-LAB	lab(47.42, 17.65, -48.18)
CIE-LCH	lch(47.42, 51.31, 290.12°)
OKLab	oklab(55.32% 0.0017 -0.1372)
OKLCH	oklch(55.32% 0.137 270.7)
XYZ	xyz(18.7384, 16.3403, 53.1950)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BC2 #C2AC55

analogous

#55A2C2 #556BC2 #7655C2

triadic

#556BC2 #C2556B #6BC255

tetradic

#556BC2 #C255A2 #C2AC55 #55C276

square

#556BC2 #C255A2 #C2AC55 #55C276

split-complementary

#556BC2 #C27655 #A2C255

monochromatic

#293873 #3A4EA0 #556BC2 #8292D2 #AFB9E2

Accessibility & contrast

On white

4.92

#556BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#556BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556BC2

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BC2	#FFFFFF	#000000	##FFFFFF
##556BC2	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4476C5

Deuteranopia (green-blind)

#366CC0

Tritanopia (blue-blind)

#137E8D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556bc2;
/* rgb */ color: rgb(85, 107, 194);
/* oklch */ color: oklch(55.3% 0.137 270.7);

Tailwind

colors: {
  custom: {
    50: '#8d95d5',
    500: '#556bc2',
    950: '#000000',
  },
}

SCSS

$custom: #556bc2;
$custom-light: #8d95d5;
$custom-dark: #000000;

JSON

{
  "hex": "#556bc2",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 194
  },
  "hsl": {
    "h": 227.89,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55317,
    "c": 0.13718,
    "h": 270.7
  },
  "luminance": 0.16342
}

Semantic roles & 50–950 ramp

primary

#556BC2

secondary

#D0C7A2

accent

#BC51D7

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556BC2

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

Preview Lab → · Contrast checker → · Palette generator →