#555BEE#555BEE

#555BEE is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.5% C 0.217 H 275.0°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#555BEE
RGB	rgb(85, 91, 238)
HSL	hsl(238, 82%, 63%)
HSV	hsv(238, 64%, 93%)
CMYK	cmyk(64.3%, 61.8%, 0%, 6.7%)
CIE-LAB	lab(46.42, 42.12, -74.83)
CIE-LCH	lch(46.42, 85.87, 299.38°)
OKLab	oklab(55.52% 0.019 -0.2157)
OKLCH	oklch(55.52% 0.217 275)
XYZ	xyz(22.9149, 15.5845, 82.6729)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BEE #EEE855

analogous

#55A7EE #555BEE #9B55EE

triadic

#555BEE #EE555B #5BEE55

tetradic

#555BEE #EE55A7 #EEE855 #55EE9B

square

#555BEE #EE55A7 #EEE855 #55EE9B

split-complementary

#555BEE #EE9B55 #A7EE55

monochromatic

#1219B6 #1D25E8 #555BEE #8D91F4 #C4C6F9

Accessibility & contrast

On white

5.10

#555BEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#555BEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BEE

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BEE	#FFFFFF	#000000	##FFFFFF
##555BEE	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F3

Deuteranopia (green-blind)

#0067EB

Tritanopia (blue-blind)

#00809C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555bee;
/* rgb */ color: rgb(85, 91, 238);
/* oklch */ color: oklch(55.5% 0.217 275.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#555bee",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 238
  },
  "hsl": {
    "h": 237.647,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.55523,
    "c": 0.21652,
    "h": 275
  },
  "luminance": 0.15587
}

Semantic roles & 50–950 ramp

primary

#555BEE

secondary

#EBE9B4

accent

#D607DE

background

#FAF8FF

surface

#F3F0FE

border

#CDCBD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #555BEE

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

Preview Lab → · Contrast checker → · Palette generator →