#668FE5#668FE5

#668FE5 is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.9% C 0.137 H 263.8°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#668FE5
RGB	rgb(102, 143, 229)
HSL	hsl(221, 71%, 65%)
HSV	hsv(221, 55%, 90%)
CMYK	cmyk(55.5%, 37.6%, 0%, 10.2%)
CIE-LAB	lab(60.00, 10.71, -47.91)
CIE-LCH	lch(60.00, 49.09, 282.60°)
OKLab	oklab(65.87% -0.0148 -0.1357)
OKLCH	oklch(65.87% 0.137 263.8)
XYZ	xyz(29.4400, 28.1245, 77.9907)
Luminance	0.2813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FE5 #E5BC66

analogous

#66CFE5 #668FE5 #7D66E5

triadic

#668FE5 #E5668F #8FE566

tetradic

#668FE5 #E566CF #E5BC66 #66E57D

square

#668FE5 #E566CF #E5BC66 #66E57D

split-complementary

#668FE5 #E57D66 #CFE566

monochromatic

#1E4EB2 #3269DC #668FE5 #9AB5EE #CFDCF7

Accessibility & contrast

On white

3.17

#668FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#668FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FE5

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FE5	#FFFFFF	#000000	##000000
##668FE5	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)

#6C97E8

Deuteranopia (green-blind)

#5C8BE3

Tritanopia (blue-blind)

#11A2AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668fe5;
/* rgb */ color: rgb(102, 143, 229);
/* oklch */ color: oklch(65.9% 0.137 263.8);

Tailwind

colors: {
  custom: {
    50: '#9aafed',
    500: '#668fe5',
    950: '#000000',
  },
}

SCSS

$custom: #668fe5;
$custom-light: #9aafed;
$custom-dark: #000000;

JSON

{
  "hex": "#668fe5",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 229
  },
  "hsl": {
    "h": 220.63,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.65867,
    "c": 0.13652,
    "h": 263.8
  },
  "luminance": 0.28127
}

Semantic roles & 50–950 ramp

primary

#668FE5

secondary

#E9DBBE

accent

#9513D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #668FE5

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

Preview Lab → · Contrast checker → · Palette generator →