#6655DB#6655DB

#6655DB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 54.2% C 0.196 H 283.5°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#6655DB
RGB	rgb(102, 85, 219)
HSL	hsl(248, 65%, 60%)
HSV	hsv(248, 61%, 86%)
CMYK	cmyk(53.4%, 61.2%, 0%, 14.1%)
CIE-LAB	lab(44.85, 42.41, -66.59)
CIE-LCH	lch(44.85, 78.95, 302.50°)
OKLab	oklab(54.23% 0.0457 -0.191)
OKLCH	oklch(54.23% 0.196 283.5)
XYZ	xyz(21.5103, 14.4350, 68.6569)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6655DB #CADB55

analogous

#5587DB #6655DB #A955DB

triadic

#6655DB #DB6655 #55DB66

tetradic

#6655DB #DB5587 #CADB55 #55DBA9

square

#6655DB #DB5587 #CADB55 #55DBA9

split-complementary

#6655DB #DBA955 #87DB55

monochromatic

#2F2096 #3E2AC8 #6655DB #9388E6 #C1BAF0

Accessibility & contrast

On white

5.40

#6655DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#6655DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6655DB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6655DB	#FFFFFF	#000000	##FFFFFF
##6655DB	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDF

Deuteranopia (green-blind)

#0066D8

Tritanopia (blue-blind)

#337590

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6655db;
/* rgb */ color: rgb(102, 85, 219);
/* oklch */ color: oklch(54.2% 0.196 283.5);

Tailwind

colors: {
  custom: {
    50: '#9b86e7',
    500: '#6655db',
    950: '#000000',
  },
}

SCSS

$custom: #6655db;
$custom-light: #9b86e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6655db",
  "rgb": {
    "r": 102,
    "g": 85,
    "b": 219
  },
  "hsl": {
    "h": 247.612,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.54229,
    "c": 0.19643,
    "h": 283.5
  },
  "luminance": 0.14436
}

Semantic roles & 50–950 ramp

primary

#6655DB

secondary

#D9E0AC

accent

#E840D3

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6655DB

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

Preview Lab → · Contrast checker → · Palette generator →