#556EC2#556EC2

#556EC2 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.133 H 269.3°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#556EC2
RGB	rgb(85, 110, 194)
HSL	hsl(226, 47%, 55%)
HSV	hsv(226, 56%, 76%)
CMYK	cmyk(56.2%, 43.3%, 0%, 23.9%)
CIE-LAB	lab(48.23, 15.79, -46.88)
CIE-LCH	lch(48.23, 49.47, 288.61°)
OKLab	oklab(55.94% -0.0017 -0.1333)
OKLCH	oklch(55.94% 0.133 269.3)
XYZ	xyz(19.0566, 16.9768, 53.3011)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EC2 #C2A955

analogous

#55A4C2 #556EC2 #7355C2

triadic

#556EC2 #C2556E #6EC255

tetradic

#556EC2 #C255A4 #C2A955 #55C273

square

#556EC2 #C255A4 #C2A955 #55C273

split-complementary

#556EC2 #C27355 #A4C255

monochromatic

#293A73 #3A51A0 #556EC2 #8294D2 #AFBBE2

Accessibility & contrast

On white

4.78

#556EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#556EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EC2

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EC2	#FFFFFF	#000000	##FFFFFF
##556EC2	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4978C5

Deuteranopia (green-blind)

#3C6EC0

Tritanopia (blue-blind)

#11808E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #556ec2;
/* rgb */ color: rgb(85, 110, 194);
/* oklch */ color: oklch(55.9% 0.133 269.3);

Tailwind

colors: {
  custom: {
    50: '#8d97d5',
    500: '#556ec2',
    950: '#000000',
  },
}

SCSS

$custom: #556ec2;
$custom-light: #8d97d5;
$custom-dark: #000000;

JSON

{
  "hex": "#556ec2",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 194
  },
  "hsl": {
    "h": 226.239,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55939,
    "c": 0.13335,
    "h": 269.3
  },
  "luminance": 0.16978
}

Semantic roles & 50–950 ramp

primary

#556EC2

secondary

#D0C6A2

accent

#B851D7

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556EC2

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

Preview Lab → · Contrast checker → · Palette generator →