#6555BC#6555BC

#6555BC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.9% C 0.156 H 286.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#6555BC
RGB	rgb(101, 85, 188)
HSL	hsl(249, 43%, 54%)
HSV	hsv(249, 55%, 74%)
CMYK	cmyk(46.3%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(42.60, 32.87, -52.35)
CIE-LCH	lch(42.60, 61.82, 302.13°)
OKLab	oklab(51.87% 0.0449 -0.1492)
OKLCH	oklch(51.87% 0.156 286.8)
XYZ	xyz(17.6898, 12.8938, 49.1239)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6555BC #ACBC55

analogous

#5578BC #6555BC #9855BC

triadic

#6555BC #BC6555 #55BC65

tetradic

#6555BC #BC5578 #ACBC55 #55BC98

square

#6555BC #BC5578 #ACBC55 #55BC98

split-complementary

#6555BC #BC9855 #78BC55

monochromatic

#352B6C #4A3C98 #6555BC #8D81CD #B5ADDF

Accessibility & contrast

On white

5.87

#6555BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#6555BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6555BC

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6555BC	#FFFFFF	#000000	##FFFFFF
##6555BC	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D67C0

Deuteranopia (green-blind)

#1C62BA

Tritanopia (blue-blind)

#496C80

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #6555bc;
/* rgb */ color: rgb(101, 85, 188);
/* oklch */ color: oklch(51.9% 0.156 286.8);

Tailwind

colors: {
  custom: {
    50: '#9785d1',
    500: '#6555bc',
    950: '#000000',
  },
}

SCSS

$custom: #6555bc;
$custom-light: #9785d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6555bc",
  "rgb": {
    "r": 101,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 249.32,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51866,
    "c": 0.15582,
    "h": 286.8
  },
  "luminance": 0.12895
}

Semantic roles & 50–950 ramp

primary

#6555BC

secondary

#C6CCA0

accent

#D355C0

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #6555BC

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

Preview Lab → · Contrast checker → · Palette generator →