#669EF7#669EF7

#669EF7 is a light, vivid blue. Relative luminance 0.340; OKLCH L 70.0% C 0.144 H 259.3°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#669EF7
RGB	rgb(102, 158, 247)
HSL	hsl(217, 90%, 68%)
HSV	hsv(217, 59%, 97%)
CMYK	cmyk(58.7%, 36%, 0%, 3.1%)
CIE-LAB	lab(64.96, 7.68, -49.99)
CIE-LCH	lch(64.96, 50.58, 278.74°)
OKLab	oklab(70% -0.0268 -0.1416)
OKLCH	oklch(70% 0.144 259.3)
XYZ	xyz(34.4890, 33.9909, 92.7210)
Luminance	0.3399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EF7 #F7BF66

analogous

#66E6F7 #669EF7 #7666F7

triadic

#669EF7 #F7669E #9EF766

tetradic

#669EF7 #F766E6 #F7BF66 #66F776

square

#669EF7 #F766E6 #F7BF66 #66F776

split-complementary

#669EF7 #F77666 #E6F766

monochromatic

#0B5AD7 #2C79F4 #669EF7 #A0C3FA #DAE8FD

Accessibility & contrast

On white

2.69

#669EF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#669EF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EF7

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EF7	#FFFFFF	#000000	##000000
##669EF7	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A5FB

Deuteranopia (green-blind)

#6597F5

Tritanopia (blue-blind)

#00B2BF

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669ef7;
/* rgb */ color: rgb(102, 158, 247);
/* oklch */ color: oklch(70.0% 0.144 259.3);

Tailwind

colors: {
  custom: {
    50: '#9cbafa',
    500: '#669ef7',
    950: '#000000',
  },
}

SCSS

$custom: #669ef7;
$custom-light: #9cbafa;
$custom-dark: #000000;

JSON

{
  "hex": "#669ef7",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 247
  },
  "hsl": {
    "h": 216.828,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.70003,
    "c": 0.14416,
    "h": 259.3
  },
  "luminance": 0.33994
}

Semantic roles & 50–950 ramp

primary

#669EF7

secondary

#F2E1C7

accent

#8D00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669EF7

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

Preview Lab → · Contrast checker → · Palette generator →