#669BF1#669BF1

#669BF1 is a light, vivid blue. Relative luminance 0.326; OKLCH L 69.0% C 0.139 H 259.7°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#669BF1
RGB	rgb(102, 155, 241)
HSL	hsl(217, 83%, 67%)
HSV	hsv(217, 58%, 95%)
CMYK	cmyk(57.7%, 35.7%, 0%, 5.5%)
CIE-LAB	lab(63.85, 7.50, -48.45)
CIE-LCH	lch(63.85, 49.03, 278.80°)
OKLab	oklab(69.05% -0.025 -0.1372)
OKLCH	oklch(69.05% 0.139 259.7)
XYZ	xyz(33.0725, 32.6155, 87.7546)
Luminance	0.3262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BF1 #F1BC66

analogous

#66E1F1 #669BF1 #7666F1

triadic

#669BF1 #F1669B #9BF166

tetradic

#669BF1 #F166E1 #F1BC66 #66F176

square

#669BF1 #F166E1 #F1BC66 #66F176

split-complementary

#669BF1 #F17666 #E1F166

monochromatic

#1259CA #2E76EC #669BF1 #9EC0F6 #D6E4FB

Accessibility & contrast

On white

2.79

#669BF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#669BF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BF1

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BF1	#FFFFFF	#000000	##000000
##669BF1	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A2F5

Deuteranopia (green-blind)

#6595EF

Tritanopia (blue-blind)

#00AEBB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669bf1;
/* rgb */ color: rgb(102, 155, 241);
/* oklch */ color: oklch(69.0% 0.139 259.7);

Tailwind

colors: {
  custom: {
    50: '#9bb8f6',
    500: '#669bf1',
    950: '#000000',
  },
}

SCSS

$custom: #669bf1;
$custom-light: #9bb8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#669bf1",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 241
  },
  "hsl": {
    "h": 217.122,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.69046,
    "c": 0.13945,
    "h": 259.7
  },
  "luminance": 0.32618
}

Semantic roles & 50–950 ramp

primary

#669BF1

secondary

#EFDFC3

accent

#8D06E0

background

#FAFBFF

surface

#F4F6FE

border

#CED0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669BF1

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

Preview Lab → · Contrast checker → · Palette generator →