#555BEF#555BEF

#555BEF is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.6% C 0.218 H 275.0°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#555BEF
RGB	rgb(85, 91, 239)
HSL	hsl(238, 83%, 64%)
HSV	hsv(238, 64%, 94%)
CMYK	cmyk(64.4%, 61.9%, 0%, 6.3%)
CIE-LAB	lab(46.50, 42.45, -75.26)
CIE-LCH	lch(46.50, 86.41, 299.42°)
OKLab	oklab(55.61% 0.0189 -0.217)
OKLCH	oklch(55.61% 0.218 275)
XYZ	xyz(23.0623, 15.6435, 83.4488)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BEF #EFE955

analogous

#55A8EF #555BEF #9C55EF

triadic

#555BEF #EF555B #5BEF55

tetradic

#555BEF #EF55A8 #EFE955 #55EF9C

square

#555BEF #EF55A8 #EFE955 #55EF9C

split-complementary

#555BEF #EF9C55 #A8EF55

monochromatic

#1118B8 #1D25EA #555BEF #8D91F4 #C5C7FA

Accessibility & contrast

On white

5.09

#555BEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#555BEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BEF

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BEF	#FFFFFF	#000000	##FFFFFF
##555BEF	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F4

Deuteranopia (green-blind)

#0067EC

Tritanopia (blue-blind)

#00809D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555bef;
/* rgb */ color: rgb(85, 91, 239);
/* oklch */ color: oklch(55.6% 0.218 275.0);

Tailwind

colors: {
  custom: {
    50: '#9589f5',
    500: '#555bef',
    950: '#000000',
  },
}

SCSS

$custom: #555bef;
$custom-light: #9589f5;
$custom-dark: #000000;

JSON

{
  "hex": "#555bef",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 239
  },
  "hsl": {
    "h": 237.662,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.55605,
    "c": 0.21778,
    "h": 275
  },
  "luminance": 0.15645
}

Semantic roles & 50–950 ramp

primary

#555BEF

secondary

#EBE9B5

accent

#D706DF

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #555BEF

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

Preview Lab → · Contrast checker → · Palette generator →