#668DEC#668DEC

#668DEC is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.148 H 265.7°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#668DEC
RGB	rgb(102, 141, 236)
HSL	hsl(223, 78%, 66%)
HSV	hsv(223, 57%, 93%)
CMYK	cmyk(56.8%, 40.3%, 0%, 7.5%)
CIE-LAB	lab(59.82, 14.13, -52.07)
CIE-LCH	lch(59.82, 53.96, 285.18°)
OKLab	oklab(65.85% -0.0112 -0.1479)
OKLCH	oklch(65.85% 0.148 265.7)
XYZ	xyz(30.1396, 27.9283, 83.1430)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DEC #ECC566

analogous

#66D0EC #668DEC #8266EC

triadic

#668DEC #EC668D #8DEC66

tetradic

#668DEC #EC66D0 #ECC566 #66EC82

square

#668DEC #EC66D0 #ECC566 #66EC82

split-complementary

#668DEC #EC8266 #D0EC66

monochromatic

#1849C0 #3064E5 #668DEC #9CB6F3 #D3DEFA

Accessibility & contrast

On white

3.19

#668DEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#668DEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DEC

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DEC	#FFFFFF	#000000	##000000
##668DEC	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6497F0

Deuteranopia (green-blind)

#538AEA

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668dec;
/* rgb */ color: rgb(102, 141, 236);
/* oklch */ color: oklch(65.8% 0.148 265.7);

Tailwind

colors: {
  custom: {
    50: '#9badf2',
    500: '#668dec',
    950: '#000000',
  },
}

SCSS

$custom: #668dec;
$custom-light: #9badf2;
$custom-dark: #000000;

JSON

{
  "hex": "#668dec",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 236
  },
  "hsl": {
    "h": 222.537,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65847,
    "c": 0.14833,
    "h": 265.7
  },
  "luminance": 0.27931
}

Semantic roles & 50–950 ramp

primary

#668DEC

secondary

#EDE0C1

accent

#9E0BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668DEC

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

Preview Lab → · Contrast checker → · Palette generator →