#668FD7#668FD7

#668FD7 is a light, moderate blue. Relative luminance 0.274; OKLCH L 65.1% C 0.118 H 261.1°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#668FD7
RGB	rgb(102, 143, 215)
HSL	hsl(218, 59%, 62%)
HSV	hsv(218, 53%, 84%)
CMYK	cmyk(52.6%, 33.5%, 0%, 15.7%)
CIE-LAB	lab(59.32, 6.30, -41.18)
CIE-LCH	lch(59.32, 41.66, 278.70°)
OKLab	oklab(65.11% -0.0181 -0.1161)
OKLCH	oklch(65.11% 0.118 261.1)
XYZ	xyz(27.5635, 27.3740, 68.1080)
Luminance	0.2738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FD7 #D7AE66

analogous

#66C8D7 #668FD7 #7666D7

triadic

#668FD7 #D7668F #8FD766

tetradic

#668FD7 #D766C8 #D7AE66 #66D776

square

#668FD7 #D766C8 #D7AE66 #66D776

split-complementary

#668FD7 #D77666 #C8D766

monochromatic

#28529A #356BCA #668FD7 #97B3E4 #C7D6F0

Accessibility & contrast

On white

3.24

#668FD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#668FD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FD7

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FD7	#FFFFFF	#000000	##000000
##668FD7	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7395DA

Deuteranopia (green-blind)

#658AD5

Tritanopia (blue-blind)

#2B9FA9

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668fd7;
/* rgb */ color: rgb(102, 143, 215);
/* oklch */ color: oklch(65.1% 0.118 261.1);

Tailwind

colors: {
  custom: {
    50: '#98afe3',
    500: '#668fd7',
    950: '#000000',
  },
}

SCSS

$custom: #668fd7;
$custom-light: #98afe3;
$custom-dark: #000000;

JSON

{
  "hex": "#668fd7",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 215
  },
  "hsl": {
    "h": 218.23,
    "s": 58.549,
    "l": 62.157
  },
  "oklch": {
    "l": 0.65114,
    "c": 0.11751,
    "h": 261.1
  },
  "luminance": 0.27376
}

Semantic roles & 50–950 ramp

primary

#668FD7

secondary

#E1D2B8

accent

#8A1FC6

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668FD7

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

Preview Lab → · Contrast checker → · Palette generator →