#668FF1#668FF1

#668FF1 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.5% C 0.153 H 265.4°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#668FF1
RGB	rgb(102, 143, 241)
HSL	hsl(222, 83%, 67%)
HSV	hsv(222, 58%, 95%)
CMYK	cmyk(57.7%, 40.7%, 0%, 5.5%)
CIE-LAB	lab(60.62, 14.55, -53.57)
CIE-LCH	lch(60.62, 55.51, 285.20°)
OKLab	oklab(66.55% -0.0123 -0.1523)
OKLCH	oklch(66.55% 0.153 265.4)
XYZ	xyz(31.1737, 28.8180, 87.1217)
Luminance	0.2882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FF1 #F1C866

analogous

#66D5F1 #668FF1 #8266F1

triadic

#668FF1 #F1668F #8FF166

tetradic

#668FF1 #F166D5 #F1C866 #66F182

square

#668FF1 #F166D5 #F1C866 #66F182

split-complementary

#668FF1 #F18266 #D5F166

monochromatic

#1249CA #2E66EC #668FF1 #9EB8F6 #D6E1FB

Accessibility & contrast

On white

3.10

#668FF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#668FF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FF1

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FF1	#FFFFFF	#000000	##000000
##668FF1	1.00	3.10	6.76	6.76
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6599F5

Deuteranopia (green-blind)

#528CEF

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668ff1;
/* rgb */ color: rgb(102, 143, 241);
/* oklch */ color: oklch(66.5% 0.153 265.4);

Tailwind

colors: {
  custom: {
    50: '#9caff6',
    500: '#668ff1',
    950: '#000000',
  },
}

SCSS

$custom: #668ff1;
$custom-light: #9caff6;
$custom-dark: #000000;

JSON

{
  "hex": "#668ff1",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 241
  },
  "hsl": {
    "h": 222.302,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.66547,
    "c": 0.15277,
    "h": 265.4
  },
  "luminance": 0.28821
}

Semantic roles & 50–950 ramp

primary

#668FF1

secondary

#EFE2C3

accent

#9F06E0

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668FF1

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

Preview Lab → · Contrast checker → · Palette generator →