#555DEE#555DEE

#555DEE is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 55.9% C 0.214 H 274.7°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#555DEE
RGB	rgb(85, 93, 238)
HSL	hsl(237, 82%, 63%)
HSV	hsv(237, 64%, 93%)
CMYK	cmyk(64.3%, 60.9%, 0%, 6.7%)
CIE-LAB	lab(46.88, 40.92, -74.08)
CIE-LCH	lch(46.88, 84.63, 298.92°)
OKLab	oklab(55.86% 0.0174 -0.2135)
OKLCH	oklch(55.86% 0.214 274.7)
XYZ	xyz(23.0882, 15.9310, 82.7306)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DEE #EEE655

analogous

#55A9EE #555DEE #9955EE

triadic

#555DEE #EE555D #5DEE55

tetradic

#555DEE #EE55A9 #EEE655 #55EE99

square

#555DEE #EE55A9 #EEE655 #55EE99

split-complementary

#555DEE #EE9955 #A9EE55

monochromatic

#121BB6 #1D28E8 #555DEE #8D92F4 #C4C7F9

Accessibility & contrast

On white

5.02

#555DEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#555DEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DEE

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DEE	#FFFFFF	#000000	##FFFFFF
##555DEE	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F3

Deuteranopia (green-blind)

#0068EB

Tritanopia (blue-blind)

#00819D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #555dee;
/* rgb */ color: rgb(85, 93, 238);
/* oklch */ color: oklch(55.9% 0.214 274.7);

Tailwind

colors: {
  custom: {
    50: '#958bf5',
    500: '#555dee',
    950: '#000000',
  },
}

SCSS

$custom: #555dee;
$custom-light: #958bf5;
$custom-dark: #000000;

JSON

{
  "hex": "#555dee",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 238
  },
  "hsl": {
    "h": 236.863,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.5586,
    "c": 0.21418,
    "h": 274.7
  },
  "luminance": 0.15933
}

Semantic roles & 50–950 ramp

primary

#555DEE

secondary

#EBE8B4

accent

#D307DE

background

#FAF8FF

surface

#F3F0FE

border

#CDCBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #555DEE

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

Preview Lab → · Contrast checker → · Palette generator →