#5550DC#5550DC

#5550DC is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.2% C 0.207 H 278.1°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5550DC
RGB	rgb(85, 80, 220)
HSL	hsl(242, 67%, 59%)
HSV	hsv(242, 64%, 86%)
CMYK	cmyk(61.4%, 63.6%, 0%, 13.7%)
CIE-LAB	lab(42.51, 42.83, -71.02)
CIE-LCH	lch(42.51, 82.94, 301.09°)
OKLab	oklab(52.22% 0.029 -0.2046)
OKLCH	oklch(52.22% 0.207 278.1)
XYZ	xyz(19.5291, 12.8344, 69.1444)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550DC #D7DC50

analogous

#5091DC #5550DC #9B50DC

triadic

#5550DC #DC5550 #50DC55

tetradic

#5550DC #DC5091 #D7DC50 #50DC9B

square

#5550DC #DC5091 #D7DC50 #50DC9B

split-complementary

#5550DC #DC9B50 #91DC50

monochromatic

#221E94 #2D28C7 #5550DC #8783E6 #B8B6F0

Accessibility & contrast

On white

5.89

#5550DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5550DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550DC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550DC	#FFFFFF	#000000	##FFFFFF
##5550DC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE0

Deuteranopia (green-blind)

#005FD9

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5550dc;
/* rgb */ color: rgb(85, 80, 220);
/* oklch */ color: oklch(52.2% 0.207 278.1);

Tailwind

colors: {
  custom: {
    50: '#9382e8',
    500: '#5550dc',
    950: '#000000',
  },
}

SCSS

$custom: #5550dc;
$custom-light: #9382e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5550dc",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 220
  },
  "hsl": {
    "h": 242.143,
    "s": 66.667,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52217,
    "c": 0.20661,
    "h": 278.1
  },
  "luminance": 0.12836
}

Semantic roles & 50–950 ramp

primary

#5550DC

secondary

#DEDFA8

accent

#EA3EE3

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5550DC

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

Preview Lab → · Contrast checker → · Palette generator →