#668DFB#668DFB

#668DFB is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.7% C 0.169 H 267.1°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#668DFB
RGB	rgb(102, 141, 251)
HSL	hsl(224, 95%, 69%)
HSV	hsv(224, 59%, 98%)
CMYK	cmyk(59.4%, 43.8%, 0%, 1.6%)
CIE-LAB	lab(60.64, 18.98, -59.05)
CIE-LCH	lch(60.64, 62.02, 287.82°)
OKLab	oklab(66.74% -0.0085 -0.1684)
OKLCH	oklch(66.74% 0.169 267.1)
XYZ	xyz(32.4110, 28.8369, 95.1062)
Luminance	0.2884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DFB #FBD466

analogous

#66D8FB #668DFB #8A66FB

triadic

#668DFB #FB668D #8DFB66

tetradic

#668DFB #FB66D8 #FBD466 #66FB8A

square

#668DFB #FB66D8 #FBD466 #66FB8A

split-complementary

#668DFB #FB8A66 #D8FB66

monochromatic

#063FE1 #2A61F9 #668DFB #A2B9FD #DDE6FE

Accessibility & contrast

On white

3.10

#668DFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#668DFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DFB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DFB	#FFFFFF	#000000	##000000
##668DFB	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)

#5A99FF

Deuteranopia (green-blind)

#448CF9

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668dfb;
/* rgb */ color: rgb(102, 141, 251);
/* oklch */ color: oklch(66.7% 0.169 267.1);

Tailwind

colors: {
  custom: {
    50: '#9dadfd',
    500: '#668dfb',
    950: '#000000',
  },
}

SCSS

$custom: #668dfb;
$custom-light: #9dadfd;
$custom-dark: #000000;

JSON

{
  "hex": "#668dfb",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 251
  },
  "hsl": {
    "h": 224.295,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66736,
    "c": 0.16859,
    "h": 267.1
  },
  "luminance": 0.2884
}

Semantic roles & 50–950 ramp

primary

#668DFB

secondary

#F4E9C9

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668DFB

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

Preview Lab → · Contrast checker → · Palette generator →