#555CEE#555CEE

#555CEE is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 55.7% C 0.215 H 274.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#555CEE
RGB	rgb(85, 92, 238)
HSL	hsl(237, 82%, 63%)
HSV	hsv(237, 64%, 93%)
CMYK	cmyk(64.3%, 61.3%, 0%, 6.7%)
CIE-LAB	lab(46.65, 41.52, -74.46)
CIE-LCH	lch(46.65, 85.25, 299.15°)
OKLab	oklab(55.69% 0.0182 -0.2146)
OKLCH	oklch(55.69% 0.215 274.8)
XYZ	xyz(23.0010, 15.7566, 82.7016)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CEE #EEE755

analogous

#55A8EE #555CEE #9A55EE

triadic

#555CEE #EE555C #5CEE55

tetradic

#555CEE #EE55A8 #EEE755 #55EE9A

square

#555CEE #EE55A8 #EEE755 #55EE9A

split-complementary

#555CEE #EE9A55 #A8EE55

monochromatic

#121AB6 #1D27E8 #555CEE #8D91F4 #C4C7F9

Accessibility & contrast

On white

5.06

#555CEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#555CEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CEE

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CEE	#FFFFFF	#000000	##FFFFFF
##555CEE	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F3

Deuteranopia (green-blind)

#0068EB

Tritanopia (blue-blind)

#00819C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #555cee;
/* rgb */ color: rgb(85, 92, 238);
/* oklch */ color: oklch(55.7% 0.215 274.8);

Tailwind

colors: {
  custom: {
    50: '#958af5',
    500: '#555cee',
    950: '#000000',
  },
}

SCSS

$custom: #555cee;
$custom-light: #958af5;
$custom-dark: #000000;

JSON

{
  "hex": "#555cee",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 238
  },
  "hsl": {
    "h": 237.255,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.55691,
    "c": 0.21535,
    "h": 274.8
  },
  "luminance": 0.15759
}

Semantic roles & 50–950 ramp

primary

#555CEE

secondary

#EBE8B4

accent

#D407DE

background

#FAF8FF

surface

#F3F0FE

border

#CDCBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #555CEE

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

Preview Lab → · Contrast checker → · Palette generator →