#6556BF#6556BF

#6556BF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.158 H 286.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#6556BF
RGB	rgb(101, 86, 191)
HSL	hsl(249, 45%, 54%)
HSV	hsv(249, 55%, 75%)
CMYK	cmyk(47.1%, 55%, 0%, 25.1%)
CIE-LAB	lab(43.04, 33.17, -53.40)
CIE-LCH	lch(43.04, 62.86, 301.84°)
OKLab	oklab(52.25% 0.0439 -0.1523)
OKLCH	oklch(52.25% 0.158 286.1)
XYZ	xyz(18.0958, 13.1831, 50.8712)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6556BF #B0BF56

analogous

#567CBF #6556BF #9956BF

triadic

#6556BF #BF6556 #56BF65

tetradic

#6556BF #BF567C #B0BF56 #56BF99

square

#6556BF #BF567C #B0BF56 #56BF99

split-complementary

#6556BF #BF9956 #7CBF56

monochromatic

#342A70 #493B9D #6556BF #8D82D0 #B6AFE1

Accessibility & contrast

On white

5.77

#6556BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#6556BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556BF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6556BF	#FFFFFF	#000000	##FFFFFF
##6556BF	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B68C3

Deuteranopia (green-blind)

#1863BD

Tritanopia (blue-blind)

#476D82

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #6556bf;
/* rgb */ color: rgb(101, 86, 191);
/* oklch */ color: oklch(52.3% 0.158 286.1);

Tailwind

colors: {
  custom: {
    50: '#9786d3',
    500: '#6556bf',
    950: '#000000',
  },
}

SCSS

$custom: #6556bf;
$custom-light: #9786d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6556bf",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 191
  },
  "hsl": {
    "h": 248.571,
    "s": 45.064,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52252,
    "c": 0.15847,
    "h": 286.1
  },
  "luminance": 0.13184
}

Semantic roles & 50–950 ramp

primary

#6556BF

secondary

#C8CFA2

accent

#D553C2

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #6556BF

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

Preview Lab → · Contrast checker → · Palette generator →