#668ACE#668ACE

#668ACE is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.6% C 0.111 H 262.4°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#668ACE
RGB	rgb(102, 138, 206)
HSL	hsl(219, 51%, 60%)
HSV	hsv(219, 50%, 81%)
CMYK	cmyk(50.5%, 33%, 0%, 19.2%)
CIE-LAB	lab(57.52, 6.46, -38.96)
CIE-LCH	lch(57.52, 39.49, 279.41°)
OKLab	oklab(63.57% -0.0146 -0.1097)
OKLCH	oklch(63.57% 0.111 262.4)
XYZ	xyz(25.7048, 25.4562, 61.9396)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668ACE #CEAA66

analogous

#66BECE #668ACE #7666CE

triadic

#668ACE #CE668A #8ACE66

tetradic

#668ACE #CE66BE #CEAA66 #66CE76

square

#668ACE #CE66BE #CEAA66 #66CE76

split-complementary

#668ACE #CE7666 #BECE66

monochromatic

#2D4E8D #3C68BB #668ACE #94ADDD #C3D1EC

Accessibility & contrast

On white

3.45

#668ACE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#668ACE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668ACE

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668ACE	#FFFFFF	#000000	##000000
##668ACE	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708FD1

Deuteranopia (green-blind)

#6486CD

Tritanopia (blue-blind)

#3699A3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668ace;
/* rgb */ color: rgb(102, 138, 206);
/* oklch */ color: oklch(63.6% 0.111 262.4);

Tailwind

colors: {
  custom: {
    50: '#97abdd',
    500: '#668ace',
    950: '#000000',
  },
}

SCSS

$custom: #668ace;
$custom-light: #97abdd;
$custom-dark: #000000;

JSON

{
  "hex": "#668ace",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 206
  },
  "hsl": {
    "h": 219.231,
    "s": 51.485,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63573,
    "c": 0.11064,
    "h": 262.4
  },
  "luminance": 0.25458
}

Semantic roles & 50–950 ramp

primary

#668ACE

secondary

#DCCEB4

accent

#8A27BF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668ACE

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

Preview Lab → · Contrast checker → · Palette generator →