#669AFC#669AFC

#669AFC is a light, vivid blue. Relative luminance 0.330; OKLCH L 69.4% C 0.155 H 262.0°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#669AFC
RGB	rgb(102, 154, 252)
HSL	hsl(219, 96%, 69%)
HSV	hsv(219, 60%, 99%)
CMYK	cmyk(59.5%, 38.9%, 0%, 1.2%)
CIE-LAB	lab(64.13, 11.63, -54.03)
CIE-LCH	lch(64.13, 55.27, 282.14°)
OKLab	oklab(69.44% -0.0215 -0.1535)
OKLCH	oklch(69.44% 0.155 262)
XYZ	xyz(34.5997, 32.9612, 96.6154)
Luminance	0.3296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AFC #FCC866

analogous

#66E5FC #669AFC #7D66FC

triadic

#669AFC #FC669A #9AFC66

tetradic

#669AFC #FC66E5 #FCC866 #66FC7D

square

#669AFC #FC66E5 #FCC866 #66FC7D

split-complementary

#669AFC #FC7D66 #E5FC66

monochromatic

#0452E3 #2A72FB #669AFC #A2C2FD #DEE9FE

Accessibility & contrast

On white

2.77

#669AFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#669AFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AFC

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AFC	#FFFFFF	#000000	##000000
##669AFC	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)

#70A3FF

Deuteranopia (green-blind)

#5B95FA

Tritanopia (blue-blind)

#00B0BF

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669afc;
/* rgb */ color: rgb(102, 154, 252);
/* oklch */ color: oklch(69.4% 0.155 262.0);

Tailwind

colors: {
  custom: {
    50: '#9db7fe',
    500: '#669afc',
    950: '#000000',
  },
}

SCSS

$custom: #669afc;
$custom-light: #9db7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#669afc",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 252
  },
  "hsl": {
    "h": 219.2,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.69444,
    "c": 0.15501,
    "h": 262
  },
  "luminance": 0.32964
}

Semantic roles & 50–950 ramp

primary

#669AFC

secondary

#F5E6C9

accent

#9600E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669AFC

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

Preview Lab → · Contrast checker → · Palette generator →