#668CF7#668CF7

#668CF7 is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.3% C 0.164 H 267.2°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#668CF7
RGB	rgb(102, 140, 247)
HSL	hsl(224, 90%, 68%)
HSV	hsv(224, 59%, 97%)
CMYK	cmyk(58.7%, 43.3%, 0%, 3.1%)
CIE-LAB	lab(60.15, 18.28, -57.62)
CIE-LCH	lch(60.15, 60.45, 287.60°)
OKLab	oklab(66.29% -0.0082 -0.1642)
OKLCH	oklch(66.29% 0.164 267.2)
XYZ	xyz(31.6404, 28.2937, 91.7715)
Luminance	0.2830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CF7 #F7D166

analogous

#66D4F7 #668CF7 #8866F7

triadic

#668CF7 #F7668C #8CF766

tetradic

#668CF7 #F766D4 #F7D166 #66F788

square

#668CF7 #F766D4 #F7D166 #66F788

split-complementary

#668CF7 #F78866 #D4F766

monochromatic

#0B41D7 #2C60F4 #668CF7 #A0B8FA #DAE3FD

Accessibility & contrast

On white

3.15

#668CF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#668CF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CF7

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CF7	#FFFFFF	#000000	##000000
##668CF7	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B98FB

Deuteranopia (green-blind)

#478BF5

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668cf7;
/* rgb */ color: rgb(102, 140, 247);
/* oklch */ color: oklch(66.3% 0.164 267.2);

Tailwind

colors: {
  custom: {
    50: '#9dadfa',
    500: '#668cf7',
    950: '#000000',
  },
}

SCSS

$custom: #668cf7;
$custom-light: #9dadfa;
$custom-dark: #000000;

JSON

{
  "hex": "#668cf7",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 247
  },
  "hsl": {
    "h": 224.276,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66293,
    "c": 0.16439,
    "h": 267.2
  },
  "luminance": 0.28296
}

Semantic roles & 50–950 ramp

primary

#668CF7

secondary

#F2E7C7

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668CF7

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

Preview Lab → · Contrast checker → · Palette generator →