#6566FC#6566FC

#6566FC is a mid, highly saturated blue. Relative luminance 0.193; OKLCH L 59.5% C 0.218 H 277.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#6566FC
RGB	rgb(101, 102, 252)
HSL	hsl(240, 96%, 69%)
HSV	hsv(240, 60%, 99%)
CMYK	cmyk(59.9%, 59.5%, 0%, 1.2%)
CIE-LAB	lab(51.03, 42.51, -75.10)
CIE-LCH	lch(51.03, 86.29, 299.51°)
OKLab	oklab(59.51% 0.0273 -0.216)
OKLCH	oklch(59.51% 0.218 277.2)
XYZ	xyz(27.6832, 19.2956, 94.3422)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6566FC #FCFB65

analogous

#65B1FC #6566FC #B065FC

triadic

#6566FC #FC6566 #66FC65

tetradic

#6566FC #FC65B1 #FCFB65 #65FCB0

square

#6566FC #FC65B1 #FCFB65 #65FCB0

split-complementary

#6566FC #FCB065 #B1FC65

monochromatic

#0406E2 #292AFB #6566FC #A1A2FD #DDDDFE

Accessibility & contrast

On white

4.32

#6566FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#6566FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6566FC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6566FC	#FFFFFF	#000000	##000000
##6566FC	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080FF

Deuteranopia (green-blind)

#0073F9

Tritanopia (blue-blind)

#008BA7

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6566fc;
/* rgb */ color: rgb(101, 102, 252);
/* oklch */ color: oklch(59.5% 0.218 277.2);

Tailwind

colors: {
  custom: {
    50: '#9f92fe',
    500: '#6566fc',
    950: '#000000',
  },
}

SCSS

$custom: #6566fc;
$custom-light: #9f92fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6566fc",
  "rgb": {
    "r": 101,
    "g": 102,
    "b": 252
  },
  "hsl": {
    "h": 239.603,
    "s": 96.178,
    "l": 69.216
  },
  "oklch": {
    "l": 0.59511,
    "c": 0.21771,
    "h": 277.2
  },
  "luminance": 0.19298
}

Semantic roles & 50–950 ramp

primary

#6566FC

secondary

#F4F4C8

accent

#E400E6

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6566FC

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

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