#668BF1#668BF1

#668BF1 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.7% C 0.157 H 267.0°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#668BF1
RGB	rgb(102, 139, 241)
HSL	hsl(224, 83%, 67%)
HSV	hsv(224, 58%, 95%)
CMYK	cmyk(57.7%, 42.3%, 0%, 5.5%)
CIE-LAB	lab(59.56, 16.93, -55.26)
CIE-LCH	lch(59.56, 57.79, 287.04°)
OKLab	oklab(65.73% -0.0081 -0.1573)
OKLCH	oklch(65.73% 0.157 267)
XYZ	xyz(30.5839, 27.6384, 86.9251)
Luminance	0.2764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BF1 #F1CC66

analogous

#66D0F1 #668BF1 #8766F1

triadic

#668BF1 #F1668B #8BF166

tetradic

#668BF1 #F166D0 #F1CC66 #66F187

square

#668BF1 #F166D0 #F1CC66 #66F187

split-complementary

#668BF1 #F18766 #D0F166

monochromatic

#1243CA #2E60EC #668BF1 #9EB6F6 #D6E0FB

Accessibility & contrast

On white

3.22

#668BF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#668BF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BF1

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BF1	#FFFFFF	#000000	##000000
##668BF1	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E96F5

Deuteranopia (green-blind)

#4B8AEF

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668bf1;
/* rgb */ color: rgb(102, 139, 241);
/* oklch */ color: oklch(65.7% 0.157 267.0);

Tailwind

colors: {
  custom: {
    50: '#9cacf6',
    500: '#668bf1',
    950: '#000000',
  },
}

SCSS

$custom: #668bf1;
$custom-light: #9cacf6;
$custom-dark: #000000;

JSON

{
  "hex": "#668bf1",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 241
  },
  "hsl": {
    "h": 224.029,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.65732,
    "c": 0.15747,
    "h": 267
  },
  "luminance": 0.27641
}

Semantic roles & 50–950 ramp

primary

#668BF1

secondary

#EFE4C3

accent

#A606E0

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BF1

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

Preview Lab → · Contrast checker → · Palette generator →