#669BFE#669BFE

#669BFE is a light, vivid blue. Relative luminance 0.334; OKLCH L 69.8% C 0.157 H 261.9°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#669BFE
RGB	rgb(102, 155, 254)
HSL	hsl(219, 99%, 70%)
HSV	hsv(219, 60%, 100%)
CMYK	cmyk(59.8%, 39%, 0%, 0.4%)
CIE-LAB	lab(64.50, 11.69, -54.54)
CIE-LCH	lch(64.50, 55.78, 282.10°)
OKLab	oklab(69.76% -0.0221 -0.155)
OKLCH	oklch(69.76% 0.157 261.9)
XYZ	xyz(35.0840, 33.4202, 98.3486)
Luminance	0.3342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BFE #FEC966

analogous

#66E7FE #669BFE #7D66FE

triadic

#669BFE #FE669B #9BFE66

tetradic

#669BFE #FE66E7 #FEC966 #66FE7D

square

#669BFE #FE66E7 #FEC966 #66FE7D

split-complementary

#669BFE #FE7D66 #E7FE66

monochromatic

#0252E8 #2973FE #669BFE #A3C3FE #E0EAFF

Accessibility & contrast

On white

2.73

#669BFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#669BFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BFE

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BFE	#FFFFFF	#000000	##000000
##669BFE	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#70A4FF

Deuteranopia (green-blind)

#5B96FC

Tritanopia (blue-blind)

#00B1C0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669bfe;
/* rgb */ color: rgb(102, 155, 254);
/* oklch */ color: oklch(69.8% 0.157 261.9);

Tailwind

colors: {
  custom: {
    50: '#9db8ff',
    500: '#669bfe',
    950: '#000000',
  },
}

SCSS

$custom: #669bfe;
$custom-light: #9db8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#669bfe",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 254
  },
  "hsl": {
    "h": 219.079,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.69764,
    "c": 0.15655,
    "h": 261.9
  },
  "luminance": 0.33423
}

Semantic roles & 50–950 ramp

primary

#669BFE

secondary

#F5E6CA

accent

#9500E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669BFE

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

Preview Lab → · Contrast checker → · Palette generator →