#5556E5#5556E5

#5556E5 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 53.9% C 0.211 H 276.4°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#5556E5
RGB	rgb(85, 86, 229)
HSL	hsl(240, 73%, 62%)
HSV	hsv(240, 63%, 90%)
CMYK	cmyk(62.9%, 62.4%, 0%, 10.2%)
CIE-LAB	lab(44.58, 42.17, -72.77)
CIE-LCH	lch(44.58, 84.10, 300.10°)
OKLab	oklab(53.95% 0.0234 -0.2097)
OKLCH	oklch(53.95% 0.211 276.4)
XYZ	xyz(21.2124, 14.2423, 75.7447)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556E5 #E5E455

analogous

#559EE5 #5556E5 #9C55E5

triadic

#5556E5 #E55556 #56E555

tetradic

#5556E5 #E5559E #E5E455 #55E59C

square

#5556E5 #E5559E #E5E455 #55E59C

split-complementary

#5556E5 #E59C55 #9EE555

monochromatic

#191AA6 #2223DB #5556E5 #8A8BED #BFC0F5

Accessibility & contrast

On white

5.46

#5556E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#5556E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556E5

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556E5	#FFFFFF	#000000	##FFFFFF
##5556E5	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EA

Deuteranopia (green-blind)

#0063E2

Tritanopia (blue-blind)

#007A96

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5556e5;
/* rgb */ color: rgb(85, 86, 229);
/* oklch */ color: oklch(53.9% 0.211 276.4);

Tailwind

colors: {
  custom: {
    50: '#9486ee',
    500: '#5556e5',
    950: '#000000',
  },
}

SCSS

$custom: #5556e5;
$custom-light: #9486ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5556e5",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 229
  },
  "hsl": {
    "h": 239.583,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.53949,
    "c": 0.21097,
    "h": 276.4
  },
  "luminance": 0.14244
}

Semantic roles & 50–950 ramp

primary

#5556E5

secondary

#E6E5B0

accent

#D410D6

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5556E5

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

Preview Lab → · Contrast checker → · Palette generator →