#668AF0#668AF0

#668AF0 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.5% C 0.157 H 267.3°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#668AF0
RGB	rgb(102, 138, 240)
HSL	hsl(224, 82%, 67%)
HSV	hsv(224, 58%, 94%)
CMYK	cmyk(57.5%, 42.5%, 0%, 5.9%)
CIE-LAB	lab(59.24, 17.21, -55.21)
CIE-LCH	lch(59.24, 57.83, 287.31°)
OKLab	oklab(65.47% -0.0073 -0.1571)
OKLCH	oklch(65.47% 0.157 267.3)
XYZ	xyz(30.2908, 27.2906, 86.0926)
Luminance	0.2729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AF0 #F0CC66

analogous

#66CFF0 #668AF0 #8766F0

triadic

#668AF0 #F0668A #8AF066

tetradic

#668AF0 #F066CF #F0CC66 #66F087

square

#668AF0 #F066CF #F0CC66 #66F087

split-complementary

#668AF0 #F08766 #CFF066

monochromatic

#1443C8 #2E5FEB #668AF0 #9EB5F5 #D5DFFB

Accessibility & contrast

On white

3.25

#668AF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#668AF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AF0

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AF0	#FFFFFF	#000000	##000000
##668AF0	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D95F4

Deuteranopia (green-blind)

#4A89EE

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668af0;
/* rgb */ color: rgb(102, 138, 240);
/* oklch */ color: oklch(65.5% 0.157 267.3);

Tailwind

colors: {
  custom: {
    50: '#9cabf5',
    500: '#668af0',
    950: '#000000',
  },
}

SCSS

$custom: #668af0;
$custom-light: #9cabf5;
$custom-dark: #000000;

JSON

{
  "hex": "#668af0",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 240
  },
  "hsl": {
    "h": 224.348,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.65469,
    "c": 0.15731,
    "h": 267.3
  },
  "luminance": 0.27293
}

Semantic roles & 50–950 ramp

primary

#668AF0

secondary

#EFE3C3

accent

#A607DF

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AF0

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

Preview Lab → · Contrast checker → · Palette generator →