#6556DD#6556DD

#6556DD is a mid, vivid blue. Relative luminance 0.146; OKLCH L 54.5% C 0.198 H 282.7°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#6556DD
RGB	rgb(101, 86, 221)
HSL	hsl(247, 67%, 60%)
HSV	hsv(247, 61%, 87%)
CMYK	cmyk(54.3%, 61.1%, 0%, 13.3%)
CIE-LAB	lab(45.14, 42.26, -67.26)
CIE-LCH	lch(45.14, 79.44, 302.14°)
OKLab	oklab(54.47% 0.0433 -0.193)
OKLCH	oklch(54.47% 0.198 282.7)
XYZ	xyz(21.7418, 14.6414, 70.0730)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6556DD #CEDD56

analogous

#568ADD #6556DD #A956DD

triadic

#6556DD #DD6556 #56DD65

tetradic

#6556DD #DD568A #CEDD56 #56DDA9

square

#6556DD #DD568A #CEDD56 #56DDA9

split-complementary

#6556DD #DDA956 #8ADD56

monochromatic

#2D1F9A #3B29CD #6556DD #9389E7 #C2BCF2

Accessibility & contrast

On white

5.35

#6556DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#6556DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556DD

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6556DD	#FFFFFF	#000000	##FFFFFF
##6556DD	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE1

Deuteranopia (green-blind)

#0066DA

Tritanopia (blue-blind)

#2E7791

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6556dd;
/* rgb */ color: rgb(101, 86, 221);
/* oklch */ color: oklch(54.5% 0.198 282.7);

Tailwind

colors: {
  custom: {
    50: '#9b86e8',
    500: '#6556dd',
    950: '#000000',
  },
}

SCSS

$custom: #6556dd;
$custom-light: #9b86e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6556dd",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 221
  },
  "hsl": {
    "h": 246.667,
    "s": 66.502,
    "l": 60.196
  },
  "oklch": {
    "l": 0.54466,
    "c": 0.19785,
    "h": 282.7
  },
  "luminance": 0.14643
}

Semantic roles & 50–950 ramp

primary

#6556DD

secondary

#DCE1AE

accent

#CE17BA

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6556DD

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

Preview Lab → · Contrast checker → · Palette generator →