#556EC4#556EC4

#556EC4 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.1% C 0.136 H 269.4°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#556EC4
RGB	rgb(85, 110, 196)
HSL	hsl(226, 48%, 55%)
HSV	hsv(226, 57%, 77%)
CMYK	cmyk(56.6%, 43.9%, 0%, 23.1%)
CIE-LAB	lab(48.34, 16.45, -47.85)
CIE-LCH	lch(48.34, 50.60, 288.97°)
OKLab	oklab(56.06% -0.0013 -0.1362)
OKLCH	oklch(56.06% 0.136 269.4)
XYZ	xyz(19.2827, 17.0672, 54.4920)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EC4 #C4AB55

analogous

#55A6C4 #556EC4 #7355C4

triadic

#556EC4 #C4556E #6EC455

tetradic

#556EC4 #C455A6 #C4AB55 #55C473

square

#556EC4 #C455A6 #C4AB55 #55C473

split-complementary

#556EC4 #C47355 #A6C455

monochromatic

#293A76 #3951A3 #556EC4 #8295D4 #B0BCE4

Accessibility & contrast

On white

4.76

#556EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#556EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EC4

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EC4	#FFFFFF	#000000	##FFFFFF
##556EC4	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4878C7

Deuteranopia (green-blind)

#3A6EC2

Tritanopia (blue-blind)

#0B818F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #556ec4;
/* rgb */ color: rgb(85, 110, 196);
/* oklch */ color: oklch(56.1% 0.136 269.4);

Tailwind

colors: {
  custom: {
    50: '#8d97d6',
    500: '#556ec4',
    950: '#000000',
  },
}

SCSS

$custom: #556ec4;
$custom-light: #8d97d6;
$custom-dark: #000000;

JSON

{
  "hex": "#556ec4",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 196
  },
  "hsl": {
    "h": 226.486,
    "s": 48.472,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56063,
    "c": 0.13619,
    "h": 269.4
  },
  "luminance": 0.17069
}

Semantic roles & 50–950 ramp

primary

#556EC4

secondary

#D2C7A3

accent

#B950D8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556EC4

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

Preview Lab → · Contrast checker → · Palette generator →