#555CE3#555CE3

#555CE3 is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 54.8% C 0.201 H 275.3°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#555CE3
RGB	rgb(85, 92, 227)
HSL	hsl(237, 72%, 61%)
HSV	hsv(237, 63%, 89%)
CMYK	cmyk(62.6%, 59.5%, 0%, 11%)
CIE-LAB	lab(45.81, 37.91, -69.62)
CIE-LCH	lch(45.81, 79.28, 298.57°)
OKLab	oklab(54.81% 0.0186 -0.2004)
OKLCH	oklch(54.81% 0.201 275.3)
XYZ	xyz(21.4340, 15.1299, 74.4490)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CE3 #E3DC55

analogous

#55A3E3 #555CE3 #9555E3

triadic

#555CE3 #E3555C #5CE355

tetradic

#555CE3 #E355A3 #E3DC55 #55E395

square

#555CE3 #E355A3 #E3DC55 #55E395

split-complementary

#555CE3 #E39555 #A3E355

monochromatic

#1B22A3 #232CD7 #555CE3 #8A8EEC #BEC1F4

Accessibility & contrast

On white

5.22

#555CE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#555CE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CE3

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CE3	#FFFFFF	#000000	##FFFFFF
##555CE3	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E7

Deuteranopia (green-blind)

#0066E0

Tritanopia (blue-blind)

#007D97

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555ce3;
/* rgb */ color: rgb(85, 92, 227);
/* oklch */ color: oklch(54.8% 0.201 275.3);

Tailwind

colors: {
  custom: {
    50: '#938aed',
    500: '#555ce3',
    950: '#000000',
  },
}

SCSS

$custom: #555ce3;
$custom-light: #938aed;
$custom-dark: #000000;

JSON

{
  "hex": "#555ce3",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 227
  },
  "hsl": {
    "h": 237.042,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.54808,
    "c": 0.20125,
    "h": 275.3
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary

#555CE3

secondary

#E5E2AF

accent

#CA12D4

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555CE3

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

Preview Lab → · Contrast checker → · Palette generator →