#6B66EA#6B66EA

#6B66EA is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.6% C 0.193 H 280.3°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#6B66EA
RGB	rgb(107, 102, 234)
HSL	hsl(242, 76%, 66%)
HSV	hsv(242, 56%, 92%)
CMYK	cmyk(54.3%, 56.4%, 0%, 8.2%)
CIE-LAB	lab(50.18, 37.91, -66.42)
CIE-LCH	lch(50.18, 76.47, 299.72°)
OKLab	oklab(58.59% 0.0346 -0.1903)
OKLCH	oklch(58.59% 0.193 280.3)
XYZ	xyz(25.6614, 18.5674, 80.0576)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66EA #E5EA66

analogous

#66A3EA #6B66EA #AD66EA

triadic

#6B66EA #EA6B66 #66EA6B

tetradic

#6B66EA #EA66A3 #E5EA66 #66EAAD

square

#6B66EA #EA66A3 #E5EA66 #66EAAD

split-complementary

#6B66EA #EAAD66 #A3EA66

monochromatic

#201ABC #3730E3 #6B66EA #9F9CF1 #D3D2F9

Accessibility & contrast

On white

4.46

#6B66EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#6B66EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66EA

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66EA	#FFFFFF	#000000	##000000
##6B66EA	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CEE

Deuteranopia (green-blind)

#0072E7

Tritanopia (blue-blind)

#2E859E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #6b66ea;
/* rgb */ color: rgb(107, 102, 234);
/* oklch */ color: oklch(58.6% 0.193 280.3);

Tailwind

colors: {
  custom: {
    50: '#9f92f2',
    500: '#6b66ea',
    950: '#000000',
  },
}

SCSS

$custom: #6b66ea;
$custom-light: #9f92f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66ea",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 234
  },
  "hsl": {
    "h": 242.273,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.58586,
    "c": 0.19341,
    "h": 280.3
  },
  "luminance": 0.18569
}

Semantic roles & 50–950 ramp

primary

#6B66EA

secondary

#EAECC0

accent

#D80DD0

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#100D17

muted

#7F7D85

Preview Lab

Preview with #6B66EA

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

Preview Lab → · Contrast checker → · Palette generator →