#668CFA#668CFA

#668CFA is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.5% C 0.168 H 267.4°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#668CFA
RGB	rgb(102, 140, 250)
HSL	hsl(225, 94%, 69%)
HSV	hsv(225, 59%, 98%)
CMYK	cmyk(59.2%, 44%, 0%, 2%)
CIE-LAB	lab(60.32, 19.26, -59.01)
CIE-LCH	lch(60.32, 62.07, 288.07°)
OKLab	oklab(66.47% -0.0077 -0.1683)
OKLCH	oklch(66.47% 0.168 267.4)
XYZ	xyz(32.1070, 28.4804, 94.2292)
Luminance	0.2848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CFA #FAD466

analogous

#66D6FA #668CFA #8A66FA

triadic

#668CFA #FA668C #8CFA66

tetradic

#668CFA #FA66D6 #FAD466 #66FA8A

square

#668CFA #FA66D6 #FAD466 #66FA8A

split-complementary

#668CFA #FA8A66 #D6FA66

monochromatic

#073EDE #2B5FF8 #668CFA #A1B9FC #DDE5FE

Accessibility & contrast

On white

3.14

#668CFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#668CFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CFA

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CFA	#FFFFFF	#000000	##000000
##668CFA	1.00	3.14	6.70	6.70
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5999FE

Deuteranopia (green-blind)

#438BF8

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668cfa;
/* rgb */ color: rgb(102, 140, 250);
/* oklch */ color: oklch(66.5% 0.168 267.4);

Tailwind

colors: {
  custom: {
    50: '#9dadfc',
    500: '#668cfa',
    950: '#000000',
  },
}

SCSS

$custom: #668cfa;
$custom-light: #9dadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#668cfa",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 250
  },
  "hsl": {
    "h": 224.595,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66475,
    "c": 0.16844,
    "h": 267.4
  },
  "luminance": 0.28483
}

Semantic roles & 50–950 ramp

primary

#668CFA

secondary

#F4E8C8

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668CFA

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

Preview Lab → · Contrast checker → · Palette generator →