#668EFB#668EFB

#668EFB is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.9% C 0.167 H 266.7°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#668EFB
RGB	rgb(102, 142, 251)
HSL	hsl(224, 95%, 69%)
HSV	hsv(224, 59%, 98%)
CMYK	cmyk(59.4%, 43.4%, 0%, 1.6%)
CIE-LAB	lab(60.90, 18.39, -58.63)
CIE-LCH	lch(60.90, 61.45, 287.41°)
OKLab	oklab(66.94% -0.0095 -0.1671)
OKLCH	oklch(66.94% 0.167 266.7)
XYZ	xyz(32.5592, 29.1331, 95.1555)
Luminance	0.2914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EFB #FBD366

analogous

#66D8FB #668EFB #8966FB

triadic

#668EFB #FB668E #8EFB66

tetradic

#668EFB #FB66D8 #FBD366 #66FB89

square

#668EFB #FB66D8 #FBD366 #66FB89

split-complementary

#668EFB #FB8966 #D8FB66

monochromatic

#0641E1 #2A62F9 #668EFB #A2BAFD #DDE6FE

Accessibility & contrast

On white

3.08

#668EFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#668EFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EFB

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EFB	#FFFFFF	#000000	##000000
##668EFB	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C9AFF

Deuteranopia (green-blind)

#468DF9

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #668efb;
/* rgb */ color: rgb(102, 142, 251);
/* oklch */ color: oklch(66.9% 0.167 266.7);

Tailwind

colors: {
  custom: {
    50: '#9daefd',
    500: '#668efb',
    950: '#000000',
  },
}

SCSS

$custom: #668efb;
$custom-light: #9daefd;
$custom-dark: #000000;

JSON

{
  "hex": "#668efb",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 251
  },
  "hsl": {
    "h": 223.893,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66937,
    "c": 0.1674,
    "h": 266.7
  },
  "luminance": 0.29136
}

Semantic roles & 50–950 ramp

primary

#668EFB

secondary

#F4E8C9

accent

#A800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668EFB

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

Preview Lab → · Contrast checker → · Palette generator →