#5550CD#5550CD

#5550CD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 51.0% C 0.187 H 279.2°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#5550CD
RGB	rgb(85, 80, 205)
HSL	hsl(242, 56%, 56%)
HSV	hsv(242, 61%, 80%)
CMYK	cmyk(58.5%, 61%, 0%, 19.6%)
CIE-LAB	lab(41.34, 38.02, -64.33)
CIE-LCH	lch(41.34, 74.73, 300.58°)
OKLab	oklab(50.99% 0.03 -0.1849)
OKLCH	oklch(50.99% 0.187 279.2)
XYZ	xyz(17.6309, 12.0751, 59.1474)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550CD #C8CD50

analogous

#5089CD #5550CD #9350CD

triadic

#5550CD #CD5550 #50CD55

tetradic

#5550CD #CD5089 #C8CD50 #50CD93

square

#5550CD #CD5089 #C8CD50 #50CD93

split-complementary

#5550CD #CD9350 #89CD50

monochromatic

#28247E #3732AE #5550CD #8380DB #B1AFE8

Accessibility & contrast

On white

6.15

#5550CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#5550CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550CD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550CD	#FFFFFF	#000000	##FFFFFF
##5550CD	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D1

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5550cd;
/* rgb */ color: rgb(85, 80, 205);
/* oklch */ color: oklch(51.0% 0.187 279.2);

Tailwind

colors: {
  custom: {
    50: '#9081dd',
    500: '#5550cd',
    950: '#000000',
  },
}

SCSS

$custom: #5550cd;
$custom-light: #9081dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5550cd",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 205
  },
  "hsl": {
    "h": 242.4,
    "s": 55.556,
    "l": 55.882
  },
  "oklch": {
    "l": 0.50989,
    "c": 0.18734,
    "h": 279.2
  },
  "luminance": 0.12076
}

Semantic roles & 50–950 ramp

primary

#5550CD

secondary

#D4D6A2

accent

#DF49D9

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5550CD

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

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