#556FC4#556FC4

#556FC4 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.3% C 0.135 H 269.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#556FC4
RGB	rgb(85, 111, 196)
HSL	hsl(226, 48%, 55%)
HSV	hsv(226, 57%, 77%)
CMYK	cmyk(56.6%, 43.4%, 0%, 23.1%)
CIE-LAB	lab(48.62, 15.83, -47.42)
CIE-LCH	lch(48.62, 49.99, 288.46°)
OKLab	oklab(56.27% -0.0024 -0.1349)
OKLCH	oklch(56.27% 0.135 269)
XYZ	xyz(19.3912, 17.2842, 54.5282)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FC4 #C4AA55

analogous

#55A7C4 #556FC4 #7255C4

triadic

#556FC4 #C4556F #6FC455

tetradic

#556FC4 #C455A7 #C4AA55 #55C472

square

#556FC4 #C455A7 #C4AA55 #55C472

split-complementary

#556FC4 #C47255 #A7C455

monochromatic

#293B76 #3952A3 #556FC4 #8295D4 #B0BCE4

Accessibility & contrast

On white

4.71

#556FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#556FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FC4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FC4	#FFFFFF	#000000	##FFFFFF
##556FC4	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A79C7

Deuteranopia (green-blind)

#3B6FC2

Tritanopia (blue-blind)

#0A8290

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #556fc4;
/* rgb */ color: rgb(85, 111, 196);
/* oklch */ color: oklch(56.3% 0.135 269.0);

Tailwind

colors: {
  custom: {
    50: '#8d98d6',
    500: '#556fc4',
    950: '#000000',
  },
}

SCSS

$custom: #556fc4;
$custom-light: #8d98d6;
$custom-dark: #000000;

JSON

{
  "hex": "#556fc4",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 196
  },
  "hsl": {
    "h": 225.946,
    "s": 48.472,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56271,
    "c": 0.13492,
    "h": 269
  },
  "luminance": 0.17286
}

Semantic roles & 50–950 ramp

primary

#556FC4

secondary

#D2C7A3

accent

#B850D8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556FC4

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

Preview Lab → · Contrast checker → · Palette generator →