#6B66CA#6B66CA

#6B66CA is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.4% C 0.150 H 282.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#6B66CA
RGB	rgb(107, 102, 202)
HSL	hsl(243, 49%, 60%)
HSV	hsv(243, 50%, 79%)
CMYK	cmyk(47%, 49.5%, 0%, 20.8%)
CIE-LAB	lab(48.12, 28.13, -51.56)
CIE-LCH	lch(48.12, 58.74, 298.61°)
OKLab	oklab(56.4% 0.0331 -0.1466)
OKLCH	oklch(56.4% 0.15 282.7)
XYZ	xyz(21.4723, 16.8918, 57.9947)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66CA #C5CA66

analogous

#6693CA #6B66CA #9D66CA

triadic

#6B66CA #CA6B66 #66CA6B

tetradic

#6B66CA #CA6693 #C5CA66 #66CA9D

square

#6B66CA #CA6693 #C5CA66 #66CA9D

split-complementary

#6B66CA #CA9D66 #93CA66

monochromatic

#332F87 #443EB4 #6B66CA #9793DA #C3C1E9

Accessibility & contrast

On white

4.80

#6B66CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#6B66CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B66CA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66CA	#FFFFFF	#000000	##FFFFFF
##6B66CA	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3976CE

Deuteranopia (green-blind)

#336FC8

Tritanopia (blue-blind)

#4A7B8E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6b66ca;
/* rgb */ color: rgb(107, 102, 202);
/* oklch */ color: oklch(56.4% 0.150 282.7);

Tailwind

colors: {
  custom: {
    50: '#9b91db',
    500: '#6b66ca',
    950: '#000000',
  },
}

SCSS

$custom: #6b66ca;
$custom-light: #9b91db;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66ca",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 202
  },
  "hsl": {
    "h": 243,
    "s": 48.544,
    "l": 59.608
  },
  "oklch": {
    "l": 0.56396,
    "c": 0.1503,
    "h": 282.7
  },
  "luminance": 0.16893
}

Semantic roles & 50–950 ramp

primary

#6B66CA

secondary

#D7D9B2

accent

#D850D1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0D15

muted

#7E7D83

Preview Lab

Preview with #6B66CA

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

Preview Lab → · Contrast checker → · Palette generator →