#666ABE#666ABE

#666ABE is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.0% C 0.128 H 279.3°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#666ABE
RGB	rgb(102, 106, 190)
HSL	hsl(237, 40%, 57%)
HSV	hsv(237, 46%, 75%)
CMYK	cmyk(46.3%, 44.2%, 0%, 25.5%)
CIE-LAB	lab(48.07, 20.86, -44.76)
CIE-LCH	lch(48.07, 49.38, 294.99°)
OKLab	oklab(56.04% 0.0208 -0.1268)
OKLCH	oklch(56.04% 0.128 279.3)
XYZ	xyz(19.9250, 16.8495, 50.9076)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666ABE #BEBA66

analogous

#6696BE #666ABE #8E66BE

triadic

#666ABE #BE666A #6ABE66

tetradic

#666ABE #BE6696 #BEBA66 #66BE8E

square

#666ABE #BE6696 #BEBA66 #66BE8E

split-complementary

#666ABE #BE8E66 #96BE66

monochromatic

#333677 #4549A2 #666ABE #9194D0 #BCBEE2

Accessibility & contrast

On white

4.81

#666ABE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#666ABE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666ABE

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666ABE	#FFFFFF	#000000	##FFFFFF
##666ABE	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4976C1

Deuteranopia (green-blind)

#436FBC

Tritanopia (blue-blind)

#477B8B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #666abe;
/* rgb */ color: rgb(102, 106, 190);
/* oklch */ color: oklch(56.0% 0.128 279.3);

Tailwind

colors: {
  custom: {
    50: '#9694d2',
    500: '#666abe',
    950: '#000000',
  },
}

SCSS

$custom: #666abe;
$custom-light: #9694d2;
$custom-dark: #000000;

JSON

{
  "hex": "#666abe",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 190
  },
  "hsl": {
    "h": 237.273,
    "s": 40.367,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56036,
    "c": 0.12848,
    "h": 279.3
  },
  "luminance": 0.16851
}

Semantic roles & 50–950 ramp

primary

#666ABE

secondary

#D2D0AE

accent

#CB58D0

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #666ABE

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

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