#668DF0#668DF0

#668DF0 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.1% C 0.154 H 266.1°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#668DF0
RGB	rgb(102, 141, 240)
HSL	hsl(223, 82%, 67%)
HSV	hsv(223, 58%, 94%)
CMYK	cmyk(57.5%, 41.3%, 0%, 5.9%)
CIE-LAB	lab(60.04, 15.42, -53.95)
CIE-LCH	lch(60.04, 56.11, 285.95°)
OKLab	oklab(66.08% -0.0104 -0.1534)
OKLCH	oklch(66.08% 0.154 266.1)
XYZ	xyz(30.7272, 28.1633, 86.2380)
Luminance	0.2817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DF0 #F0C966

analogous

#66D2F0 #668DF0 #8466F0

triadic

#668DF0 #F0668D #8DF066

tetradic

#668DF0 #F066D2 #F0C966 #66F084

square

#668DF0 #F066D2 #F0C966 #66F084

split-complementary

#668DF0 #F08466 #D2F066

monochromatic

#1447C8 #2E63EB #668DF0 #9EB7F5 #D5E0FB

Accessibility & contrast

On white

3.17

#668DF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#668DF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DF0

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DF0	#FFFFFF	#000000	##000000
##668DF0	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6297F4

Deuteranopia (green-blind)

#508BEE

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668df0;
/* rgb */ color: rgb(102, 141, 240);
/* oklch */ color: oklch(66.1% 0.154 266.1);

Tailwind

colors: {
  custom: {
    50: '#9cadf5',
    500: '#668df0',
    950: '#000000',
  },
}

SCSS

$custom: #668df0;
$custom-light: #9cadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#668df0",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 240
  },
  "hsl": {
    "h": 223.043,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.66079,
    "c": 0.15375,
    "h": 266.1
  },
  "luminance": 0.28166
}

Semantic roles & 50–950 ramp

primary

#668DF0

secondary

#EFE2C3

accent

#A207DF

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668DF0

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

Preview Lab → · Contrast checker → · Palette generator →