#6B66DA#6B66DA

#6B66DA is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.5% C 0.172 H 281.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#6B66DA
RGB	rgb(107, 102, 218)
HSL	hsl(243, 61%, 63%)
HSV	hsv(243, 53%, 85%)
CMYK	cmyk(50.9%, 53.2%, 0%, 14.5%)
CIE-LAB	lab(49.12, 32.99, -59.10)
CIE-LCH	lch(49.12, 67.68, 299.17°)
OKLab	oklab(57.46% 0.0342 -0.1688)
OKLCH	oklch(57.46% 0.172 281.4)
XYZ	xyz(23.4658, 17.6892, 68.4939)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66DA #D5DA66

analogous

#669BDA #6B66DA #A566DA

triadic

#6B66DA #DA6B66 #66DA6B

tetradic

#6B66DA #DA669B #D5DA66 #66DAA5

square

#6B66DA #DA669B #D5DA66 #66DAA5

split-complementary

#6B66DA #DAA566 #9BDA66

monochromatic

#2C269F #3B35CE #6B66DA #9B97E6 #CAC9F2

Accessibility & contrast

On white

4.63

#6B66DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#6B66DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6B66DA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66DA	#FFFFFF	#000000	##FFFFFF
##6B66DA	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2579DE

Deuteranopia (green-blind)

#1771D8

Tritanopia (blue-blind)

#3F8096

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6b66da;
/* rgb */ color: rgb(107, 102, 218);
/* oklch */ color: oklch(57.5% 0.172 281.4);

Tailwind

colors: {
  custom: {
    50: '#9d91e6',
    500: '#6b66da',
    950: '#000000',
  },
}

SCSS

$custom: #6b66da;
$custom-light: #9d91e6;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66da",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 218
  },
  "hsl": {
    "h": 242.586,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.57459,
    "c": 0.1722,
    "h": 281.4
  },
  "luminance": 0.1769
}

Semantic roles & 50–950 ramp

primary

#6B66DA

secondary

#E1E3B9

accent

#C91DC1

background

#FAF8FE

surface

#F4F0FC

border

#CECBD5

text

#0F0D16

muted

#7F7D84

Preview Lab

Preview with #6B66DA

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

Preview Lab → · Contrast checker → · Palette generator →