#6556F1#6556F1

#6556F1 is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.1% C 0.223 H 280.8°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#6556F1
RGB	rgb(101, 86, 241)
HSL	hsl(246, 85%, 64%)
HSV	hsv(246, 64%, 95%)
CMYK	cmyk(58.1%, 64.3%, 0%, 5.5%)
CIE-LAB	lab(46.67, 48.35, -76.06)
CIE-LCH	lch(46.67, 90.13, 302.44°)
OKLab	oklab(56.06% 0.0417 -0.2189)
OKLCH	oklch(56.06% 0.223 280.8)
XYZ	xyz(24.5668, 15.7715, 84.9517)
Luminance	0.1577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6556F1 #E2F156

analogous

#5695F1 #6556F1 #B256F1

triadic

#6556F1 #F16556 #56F165

tetradic

#6556F1 #F15695 #E2F156 #56F1B2

square

#6556F1 #F15695 #E2F156 #56F1B2

split-complementary

#6556F1 #F1B256 #95F156

monochromatic

#2010BD #311DEC #6556F1 #998FF6 #CCC7FA

Accessibility & contrast

On white

5.05

#6556F1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#6556F1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556F1

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6556F1	#FFFFFF	#000000	##FFFFFF
##6556F1	1.00	5.05	4.15	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F6

Deuteranopia (green-blind)

#0069EE

Tritanopia (blue-blind)

#007D9C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6556f1;
/* rgb */ color: rgb(101, 86, 241);
/* oklch */ color: oklch(56.1% 0.223 280.8);

Tailwind

colors: {
  custom: {
    50: '#9e87f7',
    500: '#6556f1',
    950: '#000000',
  },
}

SCSS

$custom: #6556f1;
$custom-light: #9e87f7;
$custom-dark: #000000;

JSON

{
  "hex": "#6556f1",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 241
  },
  "hsl": {
    "h": 245.806,
    "s": 84.699,
    "l": 64.118
  },
  "oklch": {
    "l": 0.56063,
    "c": 0.22284,
    "h": 280.8
  },
  "luminance": 0.15773
}

Semantic roles & 50–950 ramp

primary

#6556F1

secondary

#E7ECB6

accent

#E104CC

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6556F1

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

Preview Lab → · Contrast checker → · Palette generator →