#6550CF#6550CF

#6550CF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.4% C 0.188 H 285.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#6550CF
RGB	rgb(101, 80, 207)
HSL	hsl(250, 57%, 56%)
HSV	hsv(250, 61%, 81%)
CMYK	cmyk(51.2%, 61.4%, 0%, 18.8%)
CIE-LAB	lab(42.78, 41.53, -63.09)
CIE-LCH	lch(42.78, 75.53, 303.35°)
OKLab	oklab(52.41% 0.0501 -0.1808)
OKLCH	oklch(52.41% 0.188 285.5)
XYZ	xyz(19.4946, 13.0080, 60.5030)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6550CF #BACF50

analogous

#507BCF #6550CF #A550CF

triadic

#6550CF #CF6550 #50CF65

tetradic

#6550CF #CF507B #BACF50 #50CFA5

square

#6550CF #CF507B #BACF50 #50CFA5

split-complementary

#6550CF #CFA550 #7BCF50

monochromatic

#332381 #4631B1 #6550CF #8F80DC #BAB0E9

Accessibility & contrast

On white

5.83

#6550CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#6550CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6550CF

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6550CF	#FFFFFF	#000000	##FFFFFF
##6550CF	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D3

Deuteranopia (green-blind)

#0061CC

Tritanopia (blue-blind)

#3C6E88

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #6550cf;
/* rgb */ color: rgb(101, 80, 207);
/* oklch */ color: oklch(52.4% 0.188 285.5);

Tailwind

colors: {
  custom: {
    50: '#9982df',
    500: '#6550cf',
    950: '#000000',
  },
}

SCSS

$custom: #6550cf;
$custom-light: #9982df;
$custom-dark: #000000;

JSON

{
  "hex": "#6550cf",
  "rgb": {
    "r": 101,
    "g": 80,
    "b": 207
  },
  "hsl": {
    "h": 249.921,
    "s": 56.951,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52412,
    "c": 0.18761,
    "h": 285.5
  },
  "luminance": 0.13009
}

Semantic roles & 50–950 ramp

primary

#6550CF

secondary

#CFD8A3

accent

#E048C7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #6550CF

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

Preview Lab → · Contrast checker → · Palette generator →