#6A66AB#6A66AB

#6A66AB is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.5% C 0.106 H 284.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#6A66AB
RGB	rgb(106, 102, 171)
HSL	hsl(243, 29%, 54%)
HSV	hsv(243, 40%, 67%)
CMYK	cmyk(38%, 40.4%, 0%, 32.9%)
CIE-LAB	lab(46.32, 18.74, -36.46)
CIE-LCH	lch(46.32, 40.99, 297.21°)
OKLab	oklab(54.45% 0.0273 -0.1024)
OKLCH	oklch(54.45% 0.106 284.9)
XYZ	xyz(18.0439, 15.5066, 40.5625)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6A66AB #A7AB66

analogous

#6684AB #6A66AB #8C66AB

triadic

#6A66AB #AB6A66 #66AB6A

tetradic

#6A66AB #AB6684 #A7AB66 #66AB8C

square

#6A66AB #AB6684 #A7AB66 #66AB8C

split-complementary

#6A66AB #AB8C66 #84AB66

monochromatic

#383561 #4F4B89 #6A66AB #908EC1 #B7B5D6

Accessibility & contrast

On white

5.12

#6A66AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#6A66AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6A66AB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6A66AB	#FFFFFF	#000000	##FFFFFF
##6A66AB	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F70AE

Deuteranopia (green-blind)

#4D6CA9

Tritanopia (blue-blind)

#587380

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6a66ab;
/* rgb */ color: rgb(106, 102, 171);
/* oklch */ color: oklch(54.5% 0.106 284.9);

Tailwind

colors: {
  custom: {
    50: '#9791c4',
    500: '#6a66ab',
    950: '#000000',
  },
}

SCSS

$custom: #6a66ab;
$custom-light: #9791c4;
$custom-dark: #000000;

JSON

{
  "hex": "#6a66ab",
  "rgb": {
    "r": 106,
    "g": 102,
    "b": 171
  },
  "hsl": {
    "h": 243.478,
    "s": 29.114,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54452,
    "c": 0.10604,
    "h": 284.9
  },
  "luminance": 0.15507
}

Semantic roles & 50–950 ramp

primary

#6A66AB

secondary

#C3C5A8

accent

#C562C0

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #6A66AB

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

Preview Lab → · Contrast checker → · Palette generator →