#6556B2#6556B2

#6556B2 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.141 H 287.9°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#6556B2
RGB	rgb(101, 86, 178)
HSL	hsl(250, 37%, 52%)
HSV	hsv(250, 52%, 70%)
CMYK	cmyk(43.3%, 51.7%, 0%, 30.2%)
CIE-LAB	lab(42.21, 29.30, -47.13)
CIE-LCH	lch(42.21, 55.50, 301.87°)
OKLab	oklab(51.37% 0.0432 -0.1338)
OKLCH	oklch(51.37% 0.141 287.9)
XYZ	xyz(16.7282, 12.6360, 43.6684)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6556B2 #A3B256

analogous

#5675B2 #6556B2 #9356B2

triadic

#6556B2 #B26556 #56B265

tetradic

#6556B2 #B25675 #A3B256 #56B293

square

#6556B2 #B25675 #A3B256 #56B293

split-complementary

#6556B2 #B29356 #75B256

monochromatic

#352C61 #4C3F8B #6556B2 #8B80C5 #B2AAD8

Accessibility & contrast

On white

5.95

#6556B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#6556B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6556B2

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6556B2	#FFFFFF	#000000	##FFFFFF
##6556B2	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B5

Deuteranopia (green-blind)

#2D61B0

Tritanopia (blue-blind)

#4E697C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #6556b2;
/* rgb */ color: rgb(101, 86, 178);
/* oklch */ color: oklch(51.4% 0.141 287.9);

Tailwind

colors: {
  custom: {
    50: '#9586c9',
    500: '#6556b2',
    950: '#000000',
  },
}

SCSS

$custom: #6556b2;
$custom-light: #9586c9;
$custom-dark: #000000;

JSON

{
  "hex": "#6556b2",
  "rgb": {
    "r": 101,
    "g": 86,
    "b": 178
  },
  "hsl": {
    "h": 249.783,
    "s": 37.398,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5137,
    "c": 0.14065,
    "h": 287.9
  },
  "luminance": 0.12637
}

Semantic roles & 50–950 ramp

primary

#6556B2

secondary

#C0C69E

accent

#CD5ABB

background

#F9F8FC

surface

#F2EFF8

border

#CCCAD1

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #6556B2

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

Preview Lab → · Contrast checker → · Palette generator →