#669FFD#669FFD

#669FFD is a light, vivid blue. Relative luminance 0.347; OKLCH L 70.5% C 0.151 H 259.9°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#669FFD
RGB	rgb(102, 159, 253)
HSL	hsl(217, 97%, 70%)
HSV	hsv(217, 60%, 99%)
CMYK	cmyk(59.7%, 37.2%, 0%, 0.8%)
CIE-LAB	lab(65.52, 9.03, -52.37)
CIE-LCH	lch(65.52, 53.14, 279.79°)
OKLab	oklab(70.54% -0.0264 -0.1486)
OKLCH	oklch(70.54% 0.151 259.9)
XYZ	xyz(35.6010, 34.7098, 97.7330)
Luminance	0.3471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FFD #FDC466

analogous

#66EAFD #669FFD #7966FD

triadic

#669FFD #FD669F #9FFD66

tetradic

#669FFD #FD66EA #FDC466 #66FD79

square

#669FFD #FD66EA #FDC466 #66FD79

split-complementary

#669FFD #FD7966 #EAFD66

monochromatic

#0359E6 #2A79FC #669FFD #A2C5FE #DFEBFF

Accessibility & contrast

On white

2.64

#669FFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#669FFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FFD

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FFD	#FFFFFF	#000000	##000000
##669FFD	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A7FF

Deuteranopia (green-blind)

#6299FB

Tritanopia (blue-blind)

#00B4C2

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #669ffd;
/* rgb */ color: rgb(102, 159, 253);
/* oklch */ color: oklch(70.5% 0.151 259.9);

Tailwind

colors: {
  custom: {
    50: '#9dbafe',
    500: '#669ffd',
    950: '#000000',
  },
}

SCSS

$custom: #669ffd;
$custom-light: #9dbafe;
$custom-dark: #000000;

JSON

{
  "hex": "#669ffd",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 253
  },
  "hsl": {
    "h": 217.351,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.7054,
    "c": 0.15092,
    "h": 259.9
  },
  "luminance": 0.34713
}

Semantic roles & 50–950 ramp

primary

#669FFD

secondary

#F5E5CA

accent

#8F00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669FFD

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

Preview Lab → · Contrast checker → · Palette generator →