#666ABD#666ABD

#666ABD is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.0% C 0.127 H 279.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#666ABD
RGB	rgb(102, 106, 189)
HSL	hsl(237, 40%, 57%)
HSV	hsv(237, 46%, 74%)
CMYK	cmyk(46%, 43.9%, 0%, 25.9%)
CIE-LAB	lab(48.01, 20.56, -44.27)
CIE-LCH	lch(48.01, 48.81, 294.91°)
OKLab	oklab(55.98% 0.0207 -0.1253)
OKLCH	oklch(55.98% 0.127 279.4)
XYZ	xyz(19.8161, 16.8060, 50.3340)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666ABD #BDB966

analogous

#6696BD #666ABD #8D66BD

triadic

#666ABD #BD666A #6ABD66

tetradic

#666ABD #BD6696 #BDB966 #66BD8D

square

#666ABD #BD6696 #BDB966 #66BD8D

split-complementary

#666ABD #BD8D66 #96BD66

monochromatic

#333676 #4549A1 #666ABD #9194CF #BCBDE2

Accessibility & contrast

On white

4.81

#666ABD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#666ABD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666ABD

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666ABD	#FFFFFF	#000000	##FFFFFF
##666ABD	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A75C0

Deuteranopia (green-blind)

#436FBB

Tritanopia (blue-blind)

#487B8A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #666abd;
/* rgb */ color: rgb(102, 106, 189);
/* oklch */ color: oklch(56.0% 0.127 279.4);

Tailwind

colors: {
  custom: {
    50: '#9694d1',
    500: '#666abd',
    950: '#000000',
  },
}

SCSS

$custom: #666abd;
$custom-light: #9694d1;
$custom-dark: #000000;

JSON

{
  "hex": "#666abd",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 189
  },
  "hsl": {
    "h": 237.241,
    "s": 39.726,
    "l": 57.059
  },
  "oklch": {
    "l": 0.55976,
    "c": 0.12704,
    "h": 279.4
  },
  "luminance": 0.16807
}

Semantic roles & 50–950 ramp

primary

#666ABD

secondary

#D1CFAE

accent

#CA58D0

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #666ABD

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

Preview Lab → · Contrast checker → · Palette generator →