#668FD8#668FD8

#668FD8 is a light, moderate blue. Relative luminance 0.274; OKLCH L 65.2% C 0.119 H 261.3°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#668FD8
RGB	rgb(102, 143, 216)
HSL	hsl(218, 59%, 62%)
HSV	hsv(218, 53%, 85%)
CMYK	cmyk(52.8%, 33.8%, 0%, 15.3%)
CIE-LAB	lab(59.37, 6.62, -41.67)
CIE-LCH	lch(59.37, 42.19, 279.02°)
OKLab	oklab(65.17% -0.0179 -0.1175)
OKLCH	oklch(65.17% 0.119 261.3)
XYZ	xyz(27.6924, 27.4255, 68.7868)
Luminance	0.2743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FD8 #D8AF66

analogous

#66C8D8 #668FD8 #7666D8

triadic

#668FD8 #D8668F #8FD866

tetradic

#668FD8 #D866C8 #D8AF66 #66D876

square

#668FD8 #D866C8 #D8AF66 #66D876

split-complementary

#668FD8 #D87666 #C8D866

monochromatic

#28529C #356BCC #668FD8 #97B3E4 #C8D6F1

Accessibility & contrast

On white

3.24

#668FD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#668FD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FD8

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FD8	#FFFFFF	#000000	##000000
##668FD8	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DB

Deuteranopia (green-blind)

#648AD6

Tritanopia (blue-blind)

#2A9FA9

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668fd8;
/* rgb */ color: rgb(102, 143, 216);
/* oklch */ color: oklch(65.2% 0.119 261.3);

Tailwind

colors: {
  custom: {
    50: '#98afe4',
    500: '#668fd8',
    950: '#000000',
  },
}

SCSS

$custom: #668fd8;
$custom-light: #98afe4;
$custom-dark: #000000;

JSON

{
  "hex": "#668fd8",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 216
  },
  "hsl": {
    "h": 218.421,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.65166,
    "c": 0.11887,
    "h": 261.3
  },
  "luminance": 0.27428
}

Semantic roles & 50–950 ramp

primary

#668FD8

secondary

#E2D3B8

accent

#8A1EC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #668FD8

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

Preview Lab → · Contrast checker → · Palette generator →