#5556EC#5556EC

#5556EC is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.5% C 0.220 H 276.0°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#5556EC
RGB	rgb(85, 86, 236)
HSL	hsl(240, 80%, 63%)
HSV	hsv(240, 64%, 93%)
CMYK	cmyk(64%, 63.6%, 0%, 7.5%)
CIE-LAB	lab(45.14, 44.44, -75.81)
CIE-LCH	lch(45.14, 87.87, 300.38°)
OKLab	oklab(54.53% 0.0229 -0.2186)
OKLCH	oklch(54.53% 0.22 276)
XYZ	xyz(22.2095, 14.6411, 80.9962)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556EC #ECEB55

analogous

#55A1EC #5556EC #A055EC

triadic

#5556EC #EC5556 #56EC55

tetradic

#5556EC #EC55A1 #ECEB55 #55ECA0

square

#5556EC #EC55A1 #ECEB55 #55ECA0

split-complementary

#5556EC #ECA055 #A1EC55

monochromatic

#1415B3 #1E1FE6 #5556EC #8C8DF2 #C3C3F8

Accessibility & contrast

On white

5.35

#5556EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#5556EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556EC

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556EC	#FFFFFF	#000000	##FFFFFF
##5556EC	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F1

Deuteranopia (green-blind)

#0064E9

Tritanopia (blue-blind)

#007C99

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5556ec;
/* rgb */ color: rgb(85, 86, 236);
/* oklch */ color: oklch(54.5% 0.220 276.0);

Tailwind

colors: {
  custom: {
    50: '#9586f3',
    500: '#5556ec',
    950: '#000000',
  },
}

SCSS

$custom: #5556ec;
$custom-light: #9586f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5556ec",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 236
  },
  "hsl": {
    "h": 239.603,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.54532,
    "c": 0.21978,
    "h": 276
  },
  "luminance": 0.14643
}

Semantic roles & 50–950 ramp

primary

#5556EC

secondary

#EAE9B3

accent

#DB09DC

background

#FAF8FF

surface

#F3EFFE

border

#CDCAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5556EC

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

Preview Lab → · Contrast checker → · Palette generator →