#669BFC#669BFC

#669BFC is a light, vivid blue. Relative luminance 0.333; OKLCH L 69.7% C 0.154 H 261.6°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#669BFC
RGB	rgb(102, 155, 252)
HSL	hsl(219, 96%, 69%)
HSV	hsv(219, 60%, 99%)
CMYK	cmyk(59.5%, 38.5%, 0%, 1.2%)
CIE-LAB	lab(64.40, 11.04, -53.61)
CIE-LCH	lch(64.40, 54.73, 281.64°)
OKLab	oklab(69.65% -0.0225 -0.1523)
OKLCH	oklch(69.65% 0.154 261.6)
XYZ	xyz(34.7654, 33.2927, 96.6706)
Luminance	0.3330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BFC #FCC766

analogous

#66E6FC #669BFC #7C66FC

triadic

#669BFC #FC669B #9BFC66

tetradic

#669BFC #FC66E6 #FCC766 #66FC7C

square

#669BFC #FC66E6 #FCC766 #66FC7C

split-complementary

#669BFC #FC7C66 #E6FC66

monochromatic

#0453E3 #2A74FB #669BFC #A2C2FD #DEE9FE

Accessibility & contrast

On white

2.74

#669BFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#669BFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BFC

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BFC	#FFFFFF	#000000	##000000
##669BFC	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#71A4FF

Deuteranopia (green-blind)

#5D96FA

Tritanopia (blue-blind)

#00B1BF

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669bfc;
/* rgb */ color: rgb(102, 155, 252);
/* oklch */ color: oklch(69.7% 0.154 261.6);

Tailwind

colors: {
  custom: {
    50: '#9db8fe',
    500: '#669bfc',
    950: '#000000',
  },
}

SCSS

$custom: #669bfc;
$custom-light: #9db8fe;
$custom-dark: #000000;

JSON

{
  "hex": "#669bfc",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 252
  },
  "hsl": {
    "h": 218.8,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.69651,
    "c": 0.15392,
    "h": 261.6
  },
  "luminance": 0.33296
}

Semantic roles & 50–950 ramp

primary

#669BFC

secondary

#F5E5C9

accent

#9400E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669BFC

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

Preview Lab → · Contrast checker → · Palette generator →