#6660BD#6660BD

#6660BD is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.0% C 0.141 H 283.5°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#6660BD
RGB	rgb(102, 96, 189)
HSL	hsl(244, 41%, 56%)
HSV	hsv(244, 49%, 74%)
CMYK	cmyk(46%, 49.2%, 0%, 25.9%)
CIE-LAB	lab(45.45, 26.70, -48.37)
CIE-LCH	lch(45.45, 55.25, 298.90°)
OKLab	oklab(54.03% 0.033 -0.1374)
OKLCH	oklch(54.03% 0.141 283.5)
XYZ	xyz(18.8450, 14.8638, 50.0103)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6660BD #B7BD60

analogous

#6088BD #6660BD #9460BD

triadic

#6660BD #BD6660 #60BD66

tetradic

#6660BD #BD6088 #B7BD60 #60BD94

square

#6660BD #BD6088 #B7BD60 #60BD94

split-complementary

#6660BD #BD9460 #88BD60

monochromatic

#343073 #48429E #6660BD #908BCF #B9B6E1

Accessibility & contrast

On white

5.29

#6660BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#6660BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6660BD

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6660BD	#FFFFFF	#000000	##FFFFFF
##6660BD	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386FC0

Deuteranopia (green-blind)

#3369BB

Tritanopia (blue-blind)

#497485

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #6660bd;
/* rgb */ color: rgb(102, 96, 189);
/* oklch */ color: oklch(54.0% 0.141 283.5);

Tailwind

colors: {
  custom: {
    50: '#978dd1',
    500: '#6660bd',
    950: '#000000',
  },
}

SCSS

$custom: #6660bd;
$custom-light: #978dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#6660bd",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 189
  },
  "hsl": {
    "h": 243.871,
    "s": 41.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54033,
    "c": 0.14132,
    "h": 283.5
  },
  "luminance": 0.14865
}

Semantic roles & 50–950 ramp

primary

#6660BD

secondary

#CDD0A9

accent

#D157C9

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #6660BD

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

Preview Lab → · Contrast checker → · Palette generator →