#668BC7#668BC7

#668BC7 is a light, moderate blue. Relative luminance 0.254; OKLCH L 63.4% C 0.100 H 259.8°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#668BC7
RGB	rgb(102, 139, 199)
HSL	hsl(217, 46%, 59%)
HSV	hsv(217, 49%, 78%)
CMYK	cmyk(48.7%, 30.2%, 0%, 22%)
CIE-LAB	lab(57.47, 3.73, -35.08)
CIE-LCH	lch(57.47, 35.28, 276.08°)
OKLab	oklab(63.43% -0.0178 -0.0984)
OKLCH	oklch(63.43% 0.1 259.8)
XYZ	xyz(25.0175, 25.4118, 57.6084)
Luminance	0.2541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BC7 #C7A266

analogous

#66BCC7 #668BC7 #7266C7

triadic

#668BC7 #C7668B #8BC766

tetradic

#668BC7 #C766BC #C7A266 #66C772

square

#668BC7 #C766BC #C7A266 #66C772

split-complementary

#668BC7 #C77266 #BCC766

monochromatic

#304F83 #406BB0 #668BC7 #93ADD7 #C0CFE8

Accessibility & contrast

On white

3.45

#668BC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#668BC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BC7

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BC7	#FFFFFF	#000000	##000000
##668BC7	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748FCA

Deuteranopia (green-blind)

#6986C6

Tritanopia (blue-blind)

#3C98A0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668bc7;
/* rgb */ color: rgb(102, 139, 199);
/* oklch */ color: oklch(63.4% 0.100 259.8);

Tailwind

colors: {
  custom: {
    50: '#97acd8',
    500: '#668bc7',
    950: '#000000',
  },
}

SCSS

$custom: #668bc7;
$custom-light: #97acd8;
$custom-dark: #000000;

JSON

{
  "hex": "#668bc7",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 199
  },
  "hsl": {
    "h": 217.113,
    "s": 46.411,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63435,
    "c": 0.10001,
    "h": 259.8
  },
  "luminance": 0.25414
}

Semantic roles & 50–950 ramp

primary

#668BC7

secondary

#D7C9B1

accent

#A452D6

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668BC7

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

Preview Lab → · Contrast checker → · Palette generator →