#668CCD#668CCD

#668CCD is a light, moderate blue. Relative luminance 0.260; OKLCH L 64.0% C 0.107 H 260.7°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#668CCD
RGB	rgb(102, 140, 205)
HSL	hsl(218, 51%, 60%)
HSV	hsv(218, 50%, 80%)
CMYK	cmyk(50.2%, 31.7%, 0%, 19.6%)
CIE-LAB	lab(58.02, 4.98, -37.60)
CIE-LCH	lch(58.02, 37.93, 277.54°)
OKLab	oklab(63.95% -0.0173 -0.1057)
OKLCH	oklch(63.95% 0.107 260.7)
XYZ	xyz(25.8733, 25.9869, 61.3983)
Luminance	0.2599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CCD #CDA766

analogous

#66C0CD #668CCD #7366CD

triadic

#668CCD #CD668C #8CCD66

tetradic

#668CCD #CD66C0 #CDA766 #66CD73

square

#668CCD #CD66C0 #CDA766 #66CD73

split-complementary

#668CCD #CD7366 #C0CD66

monochromatic

#2D508B #3D6BB9 #668CCD #94AFDC #C2D1EB

Accessibility & contrast

On white

3.39

#668CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#668CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CCD

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CCD	#FFFFFF	#000000	##000000
##668CCD	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7391D0

Deuteranopia (green-blind)

#6787CC

Tritanopia (blue-blind)

#379AA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #668ccd;
/* rgb */ color: rgb(102, 140, 205);
/* oklch */ color: oklch(64.0% 0.107 260.7);

Tailwind

colors: {
  custom: {
    50: '#97addc',
    500: '#668ccd',
    950: '#000000',
  },
}

SCSS

$custom: #668ccd;
$custom-light: #97addc;
$custom-dark: #000000;

JSON

{
  "hex": "#668ccd",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 205
  },
  "hsl": {
    "h": 217.864,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.63953,
    "c": 0.10712,
    "h": 260.7
  },
  "luminance": 0.25989
}

Semantic roles & 50–950 ramp

primary

#668CCD

secondary

#DBCDB4

accent

#8727BE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668CCD

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

Preview Lab → · Contrast checker → · Palette generator →