#669FF6#669FF6

#669FF6 is a light, vivid blue. Relative luminance 0.343; OKLCH L 70.2% C 0.142 H 258.6°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#669FF6
RGB	rgb(102, 159, 246)
HSL	hsl(216, 89%, 68%)
HSV	hsv(216, 59%, 96%)
CMYK	cmyk(58.5%, 35.4%, 0%, 3.5%)
CIE-LAB	lab(65.18, 6.78, -49.09)
CIE-LCH	lch(65.18, 49.56, 277.87°)
OKLab	oklab(70.16% -0.028 -0.139)
OKLCH	oklch(70.16% 0.142 258.6)
XYZ	xyz(34.5063, 34.2719, 91.9676)
Luminance	0.3427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FF6 #F6BD66

analogous

#66E7F6 #669FF6 #7566F6

triadic

#669FF6 #F6669F #9FF666

tetradic

#669FF6 #F666E7 #F6BD66 #66F675

square

#669FF6 #F666E7 #F6BD66 #66F675

split-complementary

#669FF6 #F67566 #E7F666

monochromatic

#0D5CD5 #2C7BF3 #669FF6 #A0C3F9 #DAE8FD

Accessibility & contrast

On white

2.67

#669FF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#669FF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FF6

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FF6	#FFFFFF	#000000	##000000
##669FF6	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA6FA

Deuteranopia (green-blind)

#6898F4

Tritanopia (blue-blind)

#00B3BF

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669ff6;
/* rgb */ color: rgb(102, 159, 246);
/* oklch */ color: oklch(70.2% 0.142 258.6);

Tailwind

colors: {
  custom: {
    50: '#9cbbf9',
    500: '#669ff6',
    950: '#000000',
  },
}

SCSS

$custom: #669ff6;
$custom-light: #9cbbf9;
$custom-dark: #000000;

JSON

{
  "hex": "#669ff6",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 246
  },
  "hsl": {
    "h": 216.25,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.7016,
    "c": 0.14182,
    "h": 258.6
  },
  "luminance": 0.34275
}

Semantic roles & 50–950 ramp

primary

#669FF6

secondary

#F2E0C6

accent

#8B00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FF6

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

Preview Lab → · Contrast checker → · Palette generator →