#5556F0#5556F0

#5556F0 is a mid, highly saturated blue. Relative luminance 0.149; OKLCH L 54.9% C 0.225 H 275.8°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5556F0
RGB	rgb(85, 86, 240)
HSL	hsl(240, 84%, 64%)
HSV	hsv(240, 65%, 94%)
CMYK	cmyk(64.6%, 64.2%, 0%, 5.9%)
CIE-LAB	lab(45.46, 45.73, -77.52)
CIE-LCH	lch(45.46, 90.00, 300.53°)
OKLab	oklab(54.87% 0.0226 -0.2236)
OKLCH	oklch(54.87% 0.225 275.8)
XYZ	xyz(22.7971, 14.8762, 84.0912)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556F0 #F0EF55

analogous

#55A3F0 #5556F0 #A155F0

triadic

#5556F0 #F05556 #56F055

tetradic

#5556F0 #F055A3 #F0EF55 #55F0A1

square

#5556F0 #F055A3 #F0EF55 #55F0A1

split-complementary

#5556F0 #F0A155 #A3F055

monochromatic

#1012BA #1D1EEB #5556F0 #8D8EF5 #C5C6FA

Accessibility & contrast

On white

5.28

#5556F0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#5556F0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556F0

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556F0	#FFFFFF	#000000	##FFFFFF
##5556F0	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F5

Deuteranopia (green-blind)

#0065ED

Tritanopia (blue-blind)

#007E9B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5556f0;
/* rgb */ color: rgb(85, 86, 240);
/* oklch */ color: oklch(54.9% 0.225 275.8);

Tailwind

colors: {
  custom: {
    50: '#9686f6',
    500: '#5556f0',
    950: '#000000',
  },
}

SCSS

$custom: #5556f0;
$custom-light: #9686f6;
$custom-dark: #000000;

JSON

{
  "hex": "#5556f0",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 240
  },
  "hsl": {
    "h": 239.613,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.5487,
    "c": 0.22476,
    "h": 275.8
  },
  "luminance": 0.14878
}

Semantic roles & 50–950 ramp

primary

#5556F0

secondary

#ECEBB5

accent

#DF05E0

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5556F0

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

Preview Lab → · Contrast checker → · Palette generator →