#668FF6#668FF6

#668FF6 is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.8% C 0.160 H 265.9°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#668FF6
RGB	rgb(102, 143, 246)
HSL	hsl(223, 89%, 68%)
HSV	hsv(223, 59%, 96%)
CMYK	cmyk(58.5%, 41.9%, 0%, 3.5%)
CIE-LAB	lab(60.89, 16.17, -55.90)
CIE-LCH	lch(60.89, 58.19, 286.13°)
OKLab	oklab(66.84% -0.0114 -0.1591)
OKLCH	oklch(66.84% 0.16 265.9)
XYZ	xyz(31.9308, 29.1209, 91.1091)
Luminance	0.2912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FF6 #F6CD66

analogous

#66D7F6 #668FF6 #8566F6

triadic

#668FF6 #F6668F #8FF666

tetradic

#668FF6 #F666D7 #F6CD66 #66F685

square

#668FF6 #F666D7 #F6CD66 #66F685

split-complementary

#668FF6 #F68566 #D7F666

monochromatic

#0D46D5 #2C65F3 #668FF6 #A0B9F9 #DAE4FD

Accessibility & contrast

On white

3.08

#668FF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#668FF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FF6

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FF6	#FFFFFF	#000000	##000000
##668FF6	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#619AFA

Deuteranopia (green-blind)

#4D8DF4

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #668ff6;
/* rgb */ color: rgb(102, 143, 246);
/* oklch */ color: oklch(66.8% 0.160 265.9);

Tailwind

colors: {
  custom: {
    50: '#9caffa',
    500: '#668ff6',
    950: '#000000',
  },
}

SCSS

$custom: #668ff6;
$custom-light: #9caffa;
$custom-dark: #000000;

JSON

{
  "hex": "#668ff6",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 246
  },
  "hsl": {
    "h": 222.917,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.6684,
    "c": 0.15951,
    "h": 265.9
  },
  "luminance": 0.29124
}

Semantic roles & 50–950 ramp

primary

#668FF6

secondary

#F2E5C6

accent

#A400E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668FF6

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

Preview Lab → · Contrast checker → · Palette generator →