#668EF6#668EF6

#668EF6 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.6% C 0.161 H 266.3°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#668EF6
RGB	rgb(102, 142, 246)
HSL	hsl(223, 89%, 68%)
HSV	hsv(223, 59%, 96%)
CMYK	cmyk(58.5%, 42.3%, 0%, 3.5%)
CIE-LAB	lab(60.62, 16.76, -56.32)
CIE-LCH	lch(60.62, 58.76, 286.58°)
OKLab	oklab(66.64% -0.0104 -0.1603)
OKLCH	oklch(66.64% 0.161 266.3)
XYZ	xyz(31.7814, 28.8220, 91.0593)
Luminance	0.2883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EF6 #F6CE66

analogous

#66D6F6 #668EF6 #8666F6

triadic

#668EF6 #F6668E #8EF666

tetradic

#668EF6 #F666D6 #F6CE66 #66F686

square

#668EF6 #F666D6 #F6CE66 #66F686

split-complementary

#668EF6 #F68666 #D6F666

monochromatic

#0D44D5 #2C63F3 #668EF6 #A0B9F9 #DAE3FD

Accessibility & contrast

On white

3.10

#668EF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#668EF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EF6

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EF6	#FFFFFF	#000000	##000000
##668EF6	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6099FA

Deuteranopia (green-blind)

#4C8CF4

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668ef6;
/* rgb */ color: rgb(102, 142, 246);
/* oklch */ color: oklch(66.6% 0.161 266.3);

Tailwind

colors: {
  custom: {
    50: '#9caefa',
    500: '#668ef6',
    950: '#000000',
  },
}

SCSS

$custom: #668ef6;
$custom-light: #9caefa;
$custom-dark: #000000;

JSON

{
  "hex": "#668ef6",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 246
  },
  "hsl": {
    "h": 223.333,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66637,
    "c": 0.16069,
    "h": 266.3
  },
  "luminance": 0.28825
}

Semantic roles & 50–950 ramp

primary

#668EF6

secondary

#F2E6C6

accent

#A600E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668EF6

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

Preview Lab → · Contrast checker → · Palette generator →