#6556BB#6556BB

#6556BB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.0% C 0.153 H 286.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#6556BB
RGB	rgb(101, 86, 187)
HSL	hsl(249, 43%, 54%)
HSV	hsv(249, 54%, 73%)
CMYK	cmyk(46%, 54%, 0%, 26.7%)
CIE-LAB	lab(42.78, 31.97, -51.49)
CIE-LCH	lch(42.78, 60.61, 301.84°)
OKLab	oklab(51.98% 0.0437 -0.1467)
OKLCH	oklch(51.98% 0.153 286.6)
XYZ	xyz(17.6617, 13.0094, 48.5845)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6556BB #ACBB56

analogous

#5679BB #6556BB #9756BB

triadic

#6556BB #BB6556 #56BB65

tetradic

#6556BB #BB5679 #ACBB56 #56BB97

square

#6556BB #BB5679 #ACBB56 #56BB97

split-complementary

#6556BB #BB9756 #79BB56

monochromatic

#352B6B #4A3D97 #6556BB #8D82CD #B5ADDE

Accessibility & contrast

On white

5.83

#6556BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#6556BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556BB

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6556BB	#FFFFFF	#000000	##FFFFFF
##6556BB	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)

#2268BE

Deuteranopia (green-blind)

#2062B9

Tritanopia (blue-blind)

#496C80

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #6556bb;
/* rgb */ color: rgb(101, 86, 187);
/* oklch */ color: oklch(52.0% 0.153 286.6);

Tailwind

colors: {
  custom: {
    50: '#9686d0',
    500: '#6556bb',
    950: '#000000',
  },
}

SCSS

$custom: #6556bb;
$custom-light: #9686d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6556bb",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 248.911,
    "s": 42.616,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51975,
    "c": 0.15304,
    "h": 286.6
  },
  "luminance": 0.1301
}

Semantic roles & 50–950 ramp

primary

#6556BB

secondary

#C6CCA1

accent

#D255C0

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #6556BB

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

Preview Lab → · Contrast checker → · Palette generator →