#669FF7#669FF7

#669FF7 is a light, vivid blue. Relative luminance 0.343; OKLCH L 70.2% C 0.143 H 258.8°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#669FF7
RGB	rgb(102, 159, 247)
HSL	hsl(216, 90%, 68%)
HSV	hsv(216, 59%, 97%)
CMYK	cmyk(58.7%, 35.6%, 0%, 3.1%)
CIE-LAB	lab(65.23, 7.11, -49.56)
CIE-LCH	lch(65.23, 50.07, 278.16°)
OKLab	oklab(70.21% -0.0278 -0.1404)
OKLCH	oklch(70.21% 0.143 258.8)
XYZ	xyz(34.6602, 34.3334, 92.7781)
Luminance	0.3434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FF7 #F7BE66

analogous

#66E7F7 #669FF7 #7566F7

triadic

#669FF7 #F7669F #9FF766

tetradic

#669FF7 #F766E7 #F7BE66 #66F775

square

#669FF7 #F766E7 #F7BE66 #66F775

split-complementary

#669FF7 #F77566 #E7F766

monochromatic

#0B5BD7 #2C7BF4 #669FF7 #A0C3FA #DAE8FD

Accessibility & contrast

On white

2.67

#669FF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#669FF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FF7

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FF7	#FFFFFF	#000000	##000000
##669FF7	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA6FB

Deuteranopia (green-blind)

#6798F5

Tritanopia (blue-blind)

#00B3BF

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669ff7;
/* rgb */ color: rgb(102, 159, 247);
/* oklch */ color: oklch(70.2% 0.143 258.8);

Tailwind

colors: {
  custom: {
    50: '#9cbbfa',
    500: '#669ff7',
    950: '#000000',
  },
}

SCSS

$custom: #669ff7;
$custom-light: #9cbbfa;
$custom-dark: #000000;

JSON

{
  "hex": "#669ff7",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 247
  },
  "hsl": {
    "h": 216.414,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.70214,
    "c": 0.14312,
    "h": 258.8
  },
  "luminance": 0.34336
}

Semantic roles & 50–950 ramp

primary

#669FF7

secondary

#F2E1C7

accent

#8B00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FF7

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

Preview Lab → · Contrast checker → · Palette generator →