#669CF1#669CF1

#669CF1 is a light, vivid blue. Relative luminance 0.330; OKLCH L 69.3% C 0.138 H 259.1°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#669CF1
RGB	rgb(102, 156, 241)
HSL	hsl(217, 83%, 67%)
HSV	hsv(217, 58%, 95%)
CMYK	cmyk(57.7%, 35.3%, 0%, 5.5%)
CIE-LAB	lab(64.12, 6.92, -48.02)
CIE-LCH	lch(64.12, 48.52, 278.20°)
OKLab	oklab(69.26% -0.0261 -0.1359)
OKLCH	oklch(69.26% 0.138 259.1)
XYZ	xyz(33.2396, 32.9498, 87.8103)
Luminance	0.3295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CF1 #F1BB66

analogous

#66E1F1 #669CF1 #7666F1

triadic

#669CF1 #F1669C #9CF166

tetradic

#669CF1 #F166E1 #F1BB66 #66F176

square

#669CF1 #F166E1 #F1BB66 #66F176

split-complementary

#669CF1 #F17666 #E1F166

monochromatic

#125ACA #2E78EC #669CF1 #9EC0F6 #D6E5FB

Accessibility & contrast

On white

2.77

#669CF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#669CF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CF1

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CF1	#FFFFFF	#000000	##000000
##669CF1	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A3F4

Deuteranopia (green-blind)

#6795EF

Tritanopia (blue-blind)

#00AFBB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669cf1;
/* rgb */ color: rgb(102, 156, 241);
/* oklch */ color: oklch(69.3% 0.138 259.1);

Tailwind

colors: {
  custom: {
    50: '#9bb8f6',
    500: '#669cf1',
    950: '#000000',
  },
}

SCSS

$custom: #669cf1;
$custom-light: #9bb8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#669cf1",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 241
  },
  "hsl": {
    "h": 216.691,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.69258,
    "c": 0.13841,
    "h": 259.1
  },
  "luminance": 0.32953
}

Semantic roles & 50–950 ramp

primary

#669CF1

secondary

#EFDEC3

accent

#8B06E0

background

#FAFBFF

surface

#F4F6FE

border

#CED0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669CF1

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

Preview Lab → · Contrast checker → · Palette generator →