#5550CA#5550CA

#5550CA is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.7% C 0.183 H 279.4°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#5550CA
RGB	rgb(85, 80, 202)
HSL	hsl(242, 54%, 55%)
HSV	hsv(242, 60%, 79%)
CMYK	cmyk(57.9%, 60.4%, 0%, 20.8%)
CIE-LAB	lab(41.11, 37.06, -62.97)
CIE-LCH	lch(41.11, 73.07, 300.48°)
OKLab	oklab(50.75% 0.0301 -0.1809)
OKLCH	oklch(50.75% 0.183 279.4)
XYZ	xyz(17.2723, 11.9317, 57.2585)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550CA #C5CA50

analogous

#5088CA #5550CA #9250CA

triadic

#5550CA #CA5550 #50CA55

tetradic

#5550CA #CA5088 #C5CA50 #50CA92

square

#5550CA #CA5088 #C5CA50 #50CA92

split-complementary

#5550CA #CA9250 #88CA50

monochromatic

#29257A #3833A9 #5550CA #837FD8 #B0AEE6

Accessibility & contrast

On white

6.20

#5550CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#5550CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550CA

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550CA	#FFFFFF	#000000	##FFFFFF
##5550CA	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#086E85

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5550ca;
/* rgb */ color: rgb(85, 80, 202);
/* oklch */ color: oklch(50.7% 0.183 279.4);

Tailwind

colors: {
  custom: {
    50: '#9081db',
    500: '#5550ca',
    950: '#000000',
  },
}

SCSS

$custom: #5550ca;
$custom-light: #9081db;
$custom-dark: #000000;

JSON

{
  "hex": "#5550ca",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 202
  },
  "hsl": {
    "h": 242.459,
    "s": 53.509,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5075,
    "c": 0.18341,
    "h": 279.4
  },
  "luminance": 0.11933
}

Semantic roles & 50–950 ramp

primary

#5550CA

secondary

#D2D4A1

accent

#DD4BD7

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5550CA

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

Preview Lab → · Contrast checker → · Palette generator →