#6D66BF#6D66BF

#6D66BF is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.9% C 0.135 H 284.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#6D66BF
RGB	rgb(109, 102, 191)
HSL	hsl(245, 41%, 57%)
HSV	hsv(245, 47%, 75%)
CMYK	cmyk(42.9%, 46.6%, 0%, 25.1%)
CIE-LAB	lab(47.64, 25.33, -45.99)
CIE-LCH	lch(47.64, 52.50, 298.85°)
OKLab	oklab(55.87% 0.0342 -0.1302)
OKLCH	oklch(55.87% 0.135 284.7)
XYZ	xyz(20.4593, 16.5147, 51.3898)
Luminance	0.1652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D66BF #B8BF66

analogous

#668CBF #6D66BF #9966BF

triadic

#6D66BF #BF6D66 #66BF6D

tetradic

#6D66BF #BF668C #B8BF66 #66BF99

square

#6D66BF #BF668C #B8BF66 #66BF99

split-complementary

#6D66BF #BF9966 #8CBF66

monochromatic

#383278 #4C44A3 #6D66BF #9691D1 #BFBCE3

Accessibility & contrast

On white

4.88

#6D66BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#6D66BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6D66BF

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D66BF	#FFFFFF	#000000	##FFFFFF
##6D66BF	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4374C2

Deuteranopia (green-blind)

#406EBD

Tritanopia (blue-blind)

#547889

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6d66bf;
/* rgb */ color: rgb(109, 102, 191);
/* oklch */ color: oklch(55.9% 0.135 284.7);

Tailwind

colors: {
  custom: {
    50: '#9b91d3',
    500: '#6d66bf',
    950: '#000000',
  },
}

SCSS

$custom: #6d66bf;
$custom-light: #9b91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6d66bf",
  "rgb": {
    "r": 109,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 244.719,
    "s": 41.014,
    "l": 57.451
  },
  "oklch": {
    "l": 0.55866,
    "c": 0.13464,
    "h": 284.7
  },
  "luminance": 0.16516
}

Semantic roles & 50–950 ramp

primary

#6D66BF

secondary

#D0D2AE

accent

#D157C7

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #6D66BF

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

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