#669DF7#669DF7

#669DF7 is a light, vivid blue. Relative luminance 0.337; OKLCH L 69.8% C 0.145 H 259.8°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#669DF7
RGB	rgb(102, 157, 247)
HSL	hsl(217, 90%, 68%)
HSV	hsv(217, 59%, 97%)
CMYK	cmyk(58.7%, 36.4%, 0%, 3.1%)
CIE-LAB	lab(64.68, 8.26, -50.42)
CIE-LCH	lch(64.68, 51.09, 279.31°)
OKLab	oklab(69.79% -0.0257 -0.1429)
OKLCH	oklch(69.79% 0.145 259.8)
XYZ	xyz(34.3191, 33.6512, 92.6644)
Luminance	0.3365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DF7 #F7C066

analogous

#66E6F7 #669DF7 #7766F7

triadic

#669DF7 #F7669D #9DF766

tetradic

#669DF7 #F766E6 #F7C066 #66F777

square

#669DF7 #F766E6 #F7C066 #66F777

split-complementary

#669DF7 #F77766 #E6F766

monochromatic

#0B59D7 #2C78F4 #669DF7 #A0C2FA #DAE8FD

Accessibility & contrast

On white

2.72

#669DF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#669DF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DF7

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DF7	#FFFFFF	#000000	##000000
##669DF7	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A4FB

Deuteranopia (green-blind)

#6497F5

Tritanopia (blue-blind)

#00B1BE

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669df7;
/* rgb */ color: rgb(102, 157, 247);
/* oklch */ color: oklch(69.8% 0.145 259.8);

Tailwind

colors: {
  custom: {
    50: '#9cb9fa',
    500: '#669df7',
    950: '#000000',
  },
}

SCSS

$custom: #669df7;
$custom-light: #9cb9fa;
$custom-dark: #000000;

JSON

{
  "hex": "#669df7",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 247
  },
  "hsl": {
    "h": 217.241,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.69792,
    "c": 0.1452,
    "h": 259.8
  },
  "luminance": 0.33654
}

Semantic roles & 50–950 ramp

primary

#669DF7

secondary

#F2E2C7

accent

#8E00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669DF7

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

Preview Lab → · Contrast checker → · Palette generator →