#666ABA#666ABA

#666ABA is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.8% C 0.123 H 279.5°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#666ABA
RGB	rgb(102, 106, 186)
HSL	hsl(237, 38%, 56%)
HSV	hsv(237, 45%, 73%)
CMYK	cmyk(45.2%, 43%, 0%, 27.1%)
CIE-LAB	lab(47.85, 19.65, -42.80)
CIE-LCH	lch(47.85, 47.09, 294.66°)
OKLab	oklab(55.8% 0.0202 -0.121)
OKLCH	oklch(55.8% 0.123 279.5)
XYZ	xyz(19.4938, 16.6771, 48.6367)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666ABA #BAB666

analogous

#6694BA #666ABA #8C66BA

triadic

#666ABA #BA666A #6ABA66

tetradic

#666ABA #BA6694 #BAB666 #66BA8C

square

#666ABA #BA6694 #BAB666 #66BA8C

split-complementary

#666ABA #BA8C66 #94BA66

monochromatic

#333672 #464B9C #666ABA #9093CD #BABCE0

Accessibility & contrast

On white

4.84

#666ABA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#666ABA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666ABA

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666ABA	#FFFFFF	#000000	##FFFFFF
##666ABA	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C75BD

Deuteranopia (green-blind)

#466EB8

Tritanopia (blue-blind)

#4A7A89

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #666aba;
/* rgb */ color: rgb(102, 106, 186);
/* oklch */ color: oklch(55.8% 0.123 279.5);

Tailwind

colors: {
  custom: {
    50: '#9694cf',
    500: '#666aba',
    950: '#000000',
  },
}

SCSS

$custom: #666aba;
$custom-light: #9694cf;
$custom-dark: #000000;

JSON

{
  "hex": "#666aba",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 186
  },
  "hsl": {
    "h": 237.143,
    "s": 37.838,
    "l": 56.471
  },
  "oklch": {
    "l": 0.55797,
    "c": 0.1227,
    "h": 279.5
  },
  "luminance": 0.16678
}

Semantic roles & 50–950 ramp

primary

#666ABA

secondary

#CFCEAD

accent

#C85ACE

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #666ABA

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

Preview Lab → · Contrast checker → · Palette generator →