#669BF8#669BF8

#669BF8 is a light, vivid blue. Relative luminance 0.330; OKLCH L 69.4% C 0.149 H 260.9°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#669BF8
RGB	rgb(102, 155, 248)
HSL	hsl(218, 91%, 69%)
HSV	hsv(218, 59%, 97%)
CMYK	cmyk(58.9%, 37.5%, 0%, 2.7%)
CIE-LAB	lab(64.19, 9.75, -51.74)
CIE-LCH	lch(64.19, 52.65, 280.67°)
OKLab	oklab(69.43% -0.0234 -0.1468)
OKLCH	oklch(69.43% 0.149 260.9)
XYZ	xyz(34.1382, 33.0418, 93.3674)
Luminance	0.3305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BF8 #F8C366

analogous

#66E4F8 #669BF8 #7A66F8

triadic

#669BF8 #F8669B #9BF866

tetradic

#669BF8 #F866E4 #F8C366 #66F87A

square

#669BF8 #F866E4 #F8C366 #66F87A

split-complementary

#669BF8 #F87A66 #E4F866

monochromatic

#0A55DA #2B75F5 #669BF8 #A1C1FB #DBE7FD

Accessibility & contrast

On white

2.76

#669BF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#669BF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BF8

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BF8	#FFFFFF	#000000	##000000
##669BF8	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#73A3FC

Deuteranopia (green-blind)

#6095F6

Tritanopia (blue-blind)

#00B0BE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669bf8;
/* rgb */ color: rgb(102, 155, 248);
/* oklch */ color: oklch(69.4% 0.149 260.9);

Tailwind

colors: {
  custom: {
    50: '#9cb8fb',
    500: '#669bf8',
    950: '#000000',
  },
}

SCSS

$custom: #669bf8;
$custom-light: #9cb8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#669bf8",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 248
  },
  "hsl": {
    "h": 218.219,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.69428,
    "c": 0.14865,
    "h": 260.9
  },
  "luminance": 0.33045
}

Semantic roles & 50–950 ramp

primary

#669BF8

secondary

#F3E3C7

accent

#9200E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669BF8

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

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