#6555DD#6555DD

#6555DD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 54.3% C 0.199 H 282.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#6555DD
RGB	rgb(101, 85, 221)
HSL	hsl(247, 67%, 60%)
HSV	hsv(247, 62%, 87%)
CMYK	cmyk(54.3%, 61.5%, 0%, 13.3%)
CIE-LAB	lab(44.92, 42.84, -67.62)
CIE-LCH	lch(44.92, 80.05, 302.36°)
OKLab	oklab(54.3% 0.0443 -0.1941)
OKLCH	oklch(54.3% 0.199 282.9)
XYZ	xyz(21.6625, 14.4829, 70.0466)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6555DD #CDDD55

analogous

#5589DD #6555DD #A955DD

triadic

#6555DD #DD6555 #55DD65

tetradic

#6555DD #DD5589 #CDDD55 #55DDA9

square

#6555DD #DD5589 #CDDD55 #55DDA9

split-complementary

#6555DD #DDA955 #89DD55

monochromatic

#2D1F99 #3C29CC #6555DD #9388E7 #C1BBF1

Accessibility & contrast

On white

5.39

#6555DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#6555DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6555DD

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6555DD	#FFFFFF	#000000	##FFFFFF
##6555DD	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE1

Deuteranopia (green-blind)

#0066DA

Tritanopia (blue-blind)

#2E7691

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6555dd;
/* rgb */ color: rgb(101, 85, 221);
/* oklch */ color: oklch(54.3% 0.199 282.9);

Tailwind

colors: {
  custom: {
    50: '#9b86e8',
    500: '#6555dd',
    950: '#000000',
  },
}

SCSS

$custom: #6555dd;
$custom-light: #9b86e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6555dd",
  "rgb": {
    "r": 101,
    "g": 85,
    "b": 221
  },
  "hsl": {
    "h": 247.059,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.54304,
    "c": 0.19909,
    "h": 282.9
  },
  "luminance": 0.14484
}

Semantic roles & 50–950 ramp

primary

#6555DD

secondary

#DBE1AD

accent

#EA3ED5

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6555DD

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

Preview Lab → · Contrast checker → · Palette generator →