#6556D2#6556D2

#6556D2 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.6% C 0.184 H 283.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#6556D2
RGB	rgb(101, 86, 210)
HSL	hsl(247, 58%, 58%)
HSV	hsv(247, 59%, 82%)
CMYK	cmyk(51.9%, 59%, 0%, 17.6%)
CIE-LAB	lab(44.34, 38.91, -62.28)
CIE-LCH	lch(44.34, 73.43, 302.00°)
OKLab	oklab(53.63% 0.0438 -0.1784)
OKLCH	oklch(53.63% 0.184 283.8)
XYZ	xyz(20.3240, 14.0743, 62.6060)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6556D2 #C3D256

analogous

#5685D2 #6556D2 #A356D2

triadic

#6556D2 #D26556 #56D265

tetradic

#6556D2 #D25685 #C3D256 #56D2A3

square

#6556D2 #D25685 #C3D256 #56D2A3

split-complementary

#6556D2 #D2A356 #85D256

monochromatic

#312589 #4231B9 #6556D2 #9186DF #BDB7EC

Accessibility & contrast

On white

5.50

#6556D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#6556D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556D2

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6556D2	#FFFFFF	#000000	##FFFFFF
##6556D2	1.00	5.50	3.81	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD6

Deuteranopia (green-blind)

#0065CF

Tritanopia (blue-blind)

#39738C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6556d2;
/* rgb */ color: rgb(101, 86, 210);
/* oklch */ color: oklch(53.6% 0.184 283.8);

Tailwind

colors: {
  custom: {
    50: '#9986e1',
    500: '#6556d2',
    950: '#000000',
  },
}

SCSS

$custom: #6556d2;
$custom-light: #9986e1;
$custom-dark: #000000;

JSON

{
  "hex": "#6556d2",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 210
  },
  "hsl": {
    "h": 247.258,
    "s": 57.944,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53627,
    "c": 0.18369,
    "h": 283.8
  },
  "luminance": 0.14075
}

Semantic roles & 50–950 ramp

primary

#6556D2

secondary

#D5DBA9

accent

#E147CE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6556D2

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

Preview Lab → · Contrast checker → · Palette generator →