#5550FF#5550FF

#5550FF is a mid, highly saturated blue. Relative luminance 0.149; OKLCH L 55.3% C 0.249 H 275.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5550FF
RGB	rgb(85, 80, 255)
HSL	hsl(242, 100%, 66%)
HSV	hsv(242, 69%, 100%)
CMYK	cmyk(66.7%, 68.6%, 0%, 0%)
CIE-LAB	lab(45.48, 53.90, -85.89)
CIE-LCH	lch(45.48, 101.40, 302.11°)
OKLab	oklab(55.27% 0.0249 -0.2481)
OKLCH	oklch(55.27% 0.249 275.7)
XYZ	xyz(24.6590, 14.8864, 96.1622)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550FF #FAFF50

analogous

#50A3FF #5550FF #AC50FF

triadic

#5550FF #FF5550 #50FF55

tetradic

#5550FF #FF50A3 #FAFF50 #50FFAC

square

#5550FF #FF50A3 #FAFF50 #50FFAC

split-complementary

#5550FF #FFAC50 #A3FF50

monochromatic

#0600D5 #1A13FF #5550FF #908DFF #CCCAFF

Accessibility & contrast

On white

5.28

#5550FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#5550FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550FF

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550FF	#FFFFFF	#000000	##FFFFFF
##5550FF	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073FF

Deuteranopia (green-blind)

#0064FC

Tritanopia (blue-blind)

#0080A2

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5550ff;
/* rgb */ color: rgb(85, 80, 255);
/* oklch */ color: oklch(55.3% 0.249 275.7);

Tailwind

colors: {
  custom: {
    50: '#9982ff',
    500: '#5550ff',
    950: '#000000',
  },
}

SCSS

$custom: #5550ff;
$custom-light: #9982ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5550ff",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 255
  },
  "hsl": {
    "h": 241.714,
    "s": 100,
    "l": 65.686
  },
  "oklch": {
    "l": 0.55272,
    "c": 0.24936,
    "h": 275.7
  },
  "luminance": 0.14889
}

Semantic roles & 50–950 ramp

primary

#5550FF

secondary

#F1F3B8

accent

#E600DF

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #5550FF

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

Preview Lab → · Contrast checker → · Palette generator →