#5556E4#5556E4

#5556E4 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 53.9% C 0.210 H 276.4°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#5556E4
RGB	rgb(85, 86, 228)
HSL	hsl(240, 73%, 61%)
HSV	hsv(240, 63%, 89%)
CMYK	cmyk(62.7%, 62.3%, 0%, 10.6%)
CIE-LAB	lab(44.50, 41.85, -72.33)
CIE-LCH	lch(44.50, 83.56, 300.05°)
OKLab	oklab(53.87% 0.0235 -0.2084)
OKLCH	oklch(53.87% 0.21 276.4)
XYZ	xyz(21.0731, 14.1866, 75.0115)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556E4 #E4E355

analogous

#559EE4 #5556E4 #9C55E4

triadic

#5556E4 #E45556 #56E455

tetradic

#5556E4 #E4559E #E4E355 #55E49C

square

#5556E4 #E4559E #E4E355 #55E49C

split-complementary

#5556E4 #E49C55 #9EE455

monochromatic

#1A1BA4 #2324D9 #5556E4 #8A8BEC #BFBFF5

Accessibility & contrast

On white

5.47

#5556E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#5556E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556E4

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556E4	#FFFFFF	#000000	##FFFFFF
##5556E4	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E9

Deuteranopia (green-blind)

#0063E1

Tritanopia (blue-blind)

#007A95

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5556e4;
/* rgb */ color: rgb(85, 86, 228);
/* oklch */ color: oklch(53.9% 0.210 276.4);

Tailwind

colors: {
  custom: {
    50: '#9486ee',
    500: '#5556e4',
    950: '#000000',
  },
}

SCSS

$custom: #5556e4;
$custom-light: #9486ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5556e4",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 228
  },
  "hsl": {
    "h": 239.58,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.53867,
    "c": 0.2097,
    "h": 276.4
  },
  "luminance": 0.14188
}

Semantic roles & 50–950 ramp

primary

#5556E4

secondary

#E5E5B0

accent

#D311D5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5556E4

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

Preview Lab → · Contrast checker → · Palette generator →