#6556F7#6556F7

#6556F7 is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.6% C 0.230 H 280.3°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#6556F7
RGB	rgb(101, 86, 247)
HSL	hsl(246, 91%, 65%)
HSV	hsv(246, 65%, 97%)
CMYK	cmyk(59.1%, 65.2%, 0%, 3.1%)
CIE-LAB	lab(47.15, 50.18, -78.64)
CIE-LCH	lch(47.15, 93.29, 302.54°)
OKLab	oklab(56.56% 0.0411 -0.2265)
OKLCH	oklch(56.56% 0.23 280.3)
XYZ	xyz(25.4778, 16.1359, 89.7496)
Luminance	0.1614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6556F7 #E8F756

analogous

#5697F7 #6556F7 #B556F7

triadic

#6556F7 #F76556 #56F765

tetradic

#6556F7 #F75697 #E8F756 #56F7B5

square

#6556F7 #F75697 #E8F756 #56F7B5

split-complementary

#6556F7 #F7B556 #97F756

monochromatic

#1B0AC9 #301CF4 #6556F7 #9A90FA #CFCBFD

Accessibility & contrast

On white

4.97

#6556F7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#6556F7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556F7

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6556F7	#FFFFFF	#000000	##FFFFFF
##6556F7	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076FC

Deuteranopia (green-blind)

#006AF4

Tritanopia (blue-blind)

#007F9F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6556f7;
/* rgb */ color: rgb(101, 86, 247);
/* oklch */ color: oklch(56.6% 0.230 280.3);

Tailwind

colors: {
  custom: {
    50: '#9f87fb',
    500: '#6556f7',
    950: '#000000',
  },
}

SCSS

$custom: #6556f7;
$custom-light: #9f87fb;
$custom-dark: #000000;

JSON

{
  "hex": "#6556f7",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 247
  },
  "hsl": {
    "h": 245.59,
    "s": 90.96,
    "l": 65.294
  },
  "oklch": {
    "l": 0.56558,
    "c": 0.23015,
    "h": 280.3
  },
  "luminance": 0.16138
}

Semantic roles & 50–950 ramp

primary

#6556F7

secondary

#EAF0B9

accent

#E600D0

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #6556F7

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

Preview Lab → · Contrast checker → · Palette generator →