#668CD8#668CD8

#668CD8 is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.5% C 0.122 H 263.2°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#668CD8
RGB	rgb(102, 140, 216)
HSL	hsl(220, 59%, 62%)
HSV	hsv(220, 53%, 85%)
CMYK	cmyk(52.8%, 35.2%, 0%, 15.3%)
CIE-LAB	lab(58.54, 8.38, -42.97)
CIE-LCH	lch(58.54, 43.77, 281.04°)
OKLab	oklab(64.53% -0.0144 -0.1213)
OKLCH	oklch(64.53% 0.122 263.2)
XYZ	xyz(27.2481, 26.5368, 68.6387)
Luminance	0.2654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CD8 #D8B266

analogous

#66C5D8 #668CD8 #7966D8

triadic

#668CD8 #D8668C #8CD866

tetradic

#668CD8 #D866C5 #D8B266 #66D879

square

#668CD8 #D866C5 #D8B266 #66D879

split-complementary

#668CD8 #D87966 #C5D866

monochromatic

#284E9C #3567CC #668CD8 #97B1E4 #C8D5F1

Accessibility & contrast

On white

3.33

#668CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#668CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CD8

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CD8	#FFFFFF	#000000	##000000
##668CD8	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E92DB

Deuteranopia (green-blind)

#6088D6

Tritanopia (blue-blind)

#2B9DA8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668cd8;
/* rgb */ color: rgb(102, 140, 216);
/* oklch */ color: oklch(64.5% 0.122 263.2);

Tailwind

colors: {
  custom: {
    50: '#99ade4',
    500: '#668cd8',
    950: '#000000',
  },
}

SCSS

$custom: #668cd8;
$custom-light: #99ade4;
$custom-dark: #000000;

JSON

{
  "hex": "#668cd8",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 216
  },
  "hsl": {
    "h": 220,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64527,
    "c": 0.12216,
    "h": 263.2
  },
  "luminance": 0.26539
}

Semantic roles & 50–950 ramp

primary

#668CD8

secondary

#E2D4B8

accent

#8F1EC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #668CD8

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

Preview Lab → · Contrast checker → · Palette generator →