#6666EA#6666EA

#6666EA is a mid, vivid blue. Relative luminance 0.183; OKLCH L 58.2% C 0.194 H 278.5°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#6666EA
RGB	rgb(102, 102, 234)
HSL	hsl(240, 76%, 66%)
HSV	hsv(240, 56%, 92%)
CMYK	cmyk(56.4%, 56.4%, 0%, 8.2%)
CIE-LAB	lab(49.82, 36.99, -67.01)
CIE-LCH	lch(49.82, 76.55, 298.90°)
OKLab	oklab(58.23% 0.0287 -0.1922)
OKLCH	oklch(58.23% 0.194 278.5)
XYZ	xyz(25.0774, 18.2663, 80.0302)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6666EA #EAEA66

analogous

#66A8EA #6666EA #A866EA

triadic

#6666EA #EA6666 #66EA66

tetradic

#6666EA #EA66A8 #EAEA66 #66EAA8

square

#6666EA #EA66A8 #EAEA66 #66EAA8

split-complementary

#6666EA #EAA866 #A8EA66

monochromatic

#1A1ABC #3030E3 #6666EA #9C9CF1 #D2D2F9

Accessibility & contrast

On white

4.51

#6666EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#6666EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6666EA

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6666EA	#FFFFFF	#000000	##000000
##6666EA	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CEE

Deuteranopia (green-blind)

#0071E7

Tritanopia (blue-blind)

#19859E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6666ea;
/* rgb */ color: rgb(102, 102, 234);
/* oklch */ color: oklch(58.2% 0.194 278.5);

Tailwind

colors: {
  custom: {
    50: '#9c91f2',
    500: '#6666ea',
    950: '#000000',
  },
}

SCSS

$custom: #6666ea;
$custom-light: #9c91f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6666ea",
  "rgb": {
    "r": 102,
    "g": 102,
    "b": 234
  },
  "hsl": {
    "h": 240,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.58227,
    "c": 0.19433,
    "h": 278.5
  },
  "luminance": 0.18268
}

Semantic roles & 50–950 ramp

primary

#6666EA

secondary

#ECECC0

accent

#D80DD8

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0D17

muted

#7F7D85

Preview Lab

Preview with #6666EA

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

Preview Lab → · Contrast checker → · Palette generator →