#668FFA#668FFA

#668FFA is a light, vivid blue. Relative luminance 0.294; OKLCH L 67.1% C 0.165 H 266.3°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#668FFA
RGB	rgb(102, 143, 250)
HSL	hsl(223, 94%, 69%)
HSV	hsv(223, 59%, 98%)
CMYK	cmyk(59.2%, 42.8%, 0%, 2%)
CIE-LAB	lab(61.11, 17.47, -57.75)
CIE-LCH	lch(61.11, 60.33, 286.83°)
OKLab	oklab(67.08% -0.0107 -0.1645)
OKLCH	oklch(67.08% 0.165 266.3)
XYZ	xyz(32.5514, 29.3691, 94.3774)
Luminance	0.2937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FFA #FAD166

analogous

#66D9FA #668FFA #8766FA

triadic

#668FFA #FA668F #8FFA66

tetradic

#668FFA #FA66D9 #FAD166 #66FA87

square

#668FFA #FA66D9 #FAD166 #66FA87

split-complementary

#668FFA #FA8766 #D9FA66

monochromatic

#0743DE #2B64F8 #668FFA #A1BAFC #DDE6FE

Accessibility & contrast

On white

3.05

#668FFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.87

#668FFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FFA

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FFA	#FFFFFF	#000000	##000000
##668FFA	1.00	3.05	6.87	6.87
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.87	21.00	1.00	1.00
##000000	6.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F9BFE

Deuteranopia (green-blind)

#498DF8

Tritanopia (blue-blind)

#00A7B8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #668ffa;
/* rgb */ color: rgb(102, 143, 250);
/* oklch */ color: oklch(67.1% 0.165 266.3);

Tailwind

colors: {
  custom: {
    50: '#9daffc',
    500: '#668ffa',
    950: '#000000',
  },
}

SCSS

$custom: #668ffa;
$custom-light: #9daffc;
$custom-dark: #000000;

JSON

{
  "hex": "#668ffa",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 250
  },
  "hsl": {
    "h": 223.378,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.67078,
    "c": 0.16489,
    "h": 266.3
  },
  "luminance": 0.29372
}

Semantic roles & 50–950 ramp

primary

#668FFA

secondary

#F4E8C8

accent

#A600E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668FFA

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

Preview Lab → · Contrast checker → · Palette generator →