#669CF6#669CF6

#669CF6 is a light, vivid blue. Relative luminance 0.333; OKLCH L 69.5% C 0.145 H 260.1°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#669CF6
RGB	rgb(102, 156, 246)
HSL	hsl(218, 89%, 68%)
HSV	hsv(218, 59%, 96%)
CMYK	cmyk(58.5%, 36.6%, 0%, 3.5%)
CIE-LAB	lab(64.36, 8.52, -50.38)
CIE-LCH	lch(64.36, 51.09, 279.60°)
OKLab	oklab(69.53% -0.0249 -0.1428)
OKLCH	oklch(69.53% 0.145 260.1)
XYZ	xyz(33.9967, 33.2526, 91.7977)
Luminance	0.3326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CF6 #F6C066

analogous

#66E4F6 #669CF6 #7866F6

triadic

#669CF6 #F6669C #9CF666

tetradic

#669CF6 #F666E4 #F6C066 #66F678

square

#669CF6 #F666E4 #F6C066 #66F678

split-complementary

#669CF6 #F67866 #E4F666

monochromatic

#0D58D5 #2C77F3 #669CF6 #A0C1F9 #DAE7FD

Accessibility & contrast

On white

2.74

#669CF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#669CF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CF6

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CF6	#FFFFFF	#000000	##000000
##669CF6	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A3FA

Deuteranopia (green-blind)

#6396F4

Tritanopia (blue-blind)

#00B0BD

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669cf6;
/* rgb */ color: rgb(102, 156, 246);
/* oklch */ color: oklch(69.5% 0.145 260.1);

Tailwind

colors: {
  custom: {
    50: '#9cb8f9',
    500: '#669cf6',
    950: '#000000',
  },
}

SCSS

$custom: #669cf6;
$custom-light: #9cb8f9;
$custom-dark: #000000;

JSON

{
  "hex": "#669cf6",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 246
  },
  "hsl": {
    "h": 217.5,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.69528,
    "c": 0.14495,
    "h": 260.1
  },
  "luminance": 0.33256
}

Semantic roles & 50–950 ramp

primary

#669CF6

secondary

#F2E1C6

accent

#8F00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669CF6

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

Preview Lab → · Contrast checker → · Palette generator →