#5550CF#5550CF

#5550CF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.1% C 0.190 H 279.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#5550CF
RGB	rgb(85, 80, 207)
HSL	hsl(242, 57%, 56%)
HSV	hsv(242, 61%, 81%)
CMYK	cmyk(58.9%, 61.4%, 0%, 18.8%)
CIE-LAB	lab(41.49, 38.66, -65.24)
CIE-LCH	lch(41.49, 75.83, 300.65°)
OKLab	oklab(51.15% 0.0299 -0.1876)
OKLCH	oklch(51.15% 0.19 279)
XYZ	xyz(17.8739, 12.1723, 60.4270)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550CF #CACF50

analogous

#508BCF #5550CF #9550CF

triadic

#5550CF #CF5550 #50CF55

tetradic

#5550CF #CF508B #CACF50 #50CF95

square

#5550CF #CF508B #CACF50 #50CF95

split-complementary

#5550CF #CF9550 #8BCF50

monochromatic

#272381 #3631B1 #5550CF #8480DC #B2B0E9

Accessibility & contrast

On white

6.11

#5550CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#5550CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550CF

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550CF	#FFFFFF	#000000	##FFFFFF
##5550CF	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#005DCC

Tritanopia (blue-blind)

#006F88

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5550cf;
/* rgb */ color: rgb(85, 80, 207);
/* oklch */ color: oklch(51.1% 0.190 279.0);

Tailwind

colors: {
  custom: {
    50: '#9181df',
    500: '#5550cf',
    950: '#000000',
  },
}

SCSS

$custom: #5550cf;
$custom-light: #9181df;
$custom-dark: #000000;

JSON

{
  "hex": "#5550cf",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 207
  },
  "hsl": {
    "h": 242.362,
    "s": 56.951,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51149,
    "c": 0.18994,
    "h": 279
  },
  "luminance": 0.12174
}

Semantic roles & 50–950 ramp

primary

#5550CF

secondary

#D5D8A3

accent

#E048DA

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5550CF

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

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