#5555E3#5555E3

#5555E3 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.6% C 0.210 H 276.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#5555E3
RGB	rgb(85, 85, 227)
HSL	hsl(240, 72%, 61%)
HSV	hsv(240, 63%, 89%)
CMYK	cmyk(62.6%, 62.6%, 0%, 11%)
CIE-LAB	lab(44.19, 42.12, -72.26)
CIE-LCH	lch(44.19, 83.64, 300.24°)
OKLab	oklab(53.62% 0.0244 -0.2082)
OKLCH	oklch(53.62% 0.21 276.7)
XYZ	xyz(20.8554, 13.9727, 74.2561)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5555E3 #E3E355

analogous

#559CE3 #5555E3 #9C55E3

triadic

#5555E3 #E35555 #55E355

tetradic

#5555E3 #E3559C #E3E355 #55E39C

square

#5555E3 #E3559C #E3E355 #55E39C

split-complementary

#5555E3 #E39C55 #9CE355

monochromatic

#1B1BA3 #2323D7 #5555E3 #8A8AEC #BEBEF4

Accessibility & contrast

On white

5.53

#5555E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5555E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5555E3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5555E3	#FFFFFF	#000000	##FFFFFF
##5555E3	1.00	5.53	3.79	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE8

Deuteranopia (green-blind)

#0062E0

Tritanopia (blue-blind)

#007994

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5555e3;
/* rgb */ color: rgb(85, 85, 227);
/* oklch */ color: oklch(53.6% 0.210 276.7);

Tailwind

colors: {
  custom: {
    50: '#9485ed',
    500: '#5555e3',
    950: '#000000',
  },
}

SCSS

$custom: #5555e3;
$custom-light: #9485ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5555e3",
  "rgb": {
    "r": 85,
    "g": 85,
    "b": 227
  },
  "hsl": {
    "h": 240,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.53618,
    "c": 0.2096,
    "h": 276.7
  },
  "luminance": 0.13974
}

Semantic roles & 50–950 ramp

primary

#5555E3

secondary

#E5E5AF

accent

#D412D4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5555E3

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

Preview Lab → · Contrast checker → · Palette generator →