#669AFF#669AFF

#669AFF is a light, vivid blue. Relative luminance 0.332; OKLCH L 69.6% C 0.159 H 262.4°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#669AFF
RGB	rgb(102, 154, 255)
HSL	hsl(220, 100%, 70%)
HSV	hsv(220, 60%, 100%)
CMYK	cmyk(60%, 39.6%, 0%, 0%)
CIE-LAB	lab(64.28, 12.60, -55.42)
CIE-LCH	lch(64.28, 56.84, 282.80°)
OKLab	oklab(69.61% -0.0209 -0.1576)
OKLCH	oklch(69.61% 0.159 262.4)
XYZ	xyz(35.0788, 33.1529, 99.1389)
Luminance	0.3316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AFF #FFCB66

analogous

#66E6FF #669AFF #7F66FF

triadic

#669AFF #FF669A #9AFF66

tetradic

#669AFF #FF66E6 #FFCB66 #66FF7F

square

#669AFF #FF66E6 #FFCB66 #66FF7F

split-complementary

#669AFF #FF7F66 #E6FF66

monochromatic

#0050EB #2972FF #669AFF #A3C2FF #E0EBFF

Accessibility & contrast

On white

2.75

#669AFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#669AFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AFF

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AFF	#FFFFFF	#000000	##000000
##669AFF	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6EA3FF

Deuteranopia (green-blind)

#5995FD

Tritanopia (blue-blind)

#00B1C0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669aff;
/* rgb */ color: rgb(102, 154, 255);
/* oklch */ color: oklch(69.6% 0.159 262.4);

Tailwind

colors: {
  custom: {
    50: '#9db7ff',
    500: '#669aff',
    950: '#000000',
  },
}

SCSS

$custom: #669aff;
$custom-light: #9db7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#669aff",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 255
  },
  "hsl": {
    "h": 219.608,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.69614,
    "c": 0.15897,
    "h": 262.4
  },
  "luminance": 0.33156
}

Semantic roles & 50–950 ramp

primary

#669AFF

secondary

#F6E7CB

accent

#9800E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669AFF

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

Preview Lab → · Contrast checker → · Palette generator →