#669DF6#669DF6

#669DF6 is a light, vivid blue. Relative luminance 0.336; OKLCH L 69.7% C 0.144 H 259.6°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#669DF6
RGB	rgb(102, 157, 246)
HSL	hsl(217, 89%, 68%)
HSV	hsv(217, 59%, 96%)
CMYK	cmyk(58.5%, 36.2%, 0%, 3.5%)
CIE-LAB	lab(64.64, 7.94, -49.95)
CIE-LCH	lch(64.64, 50.58, 279.04°)
OKLab	oklab(69.74% -0.0259 -0.1415)
OKLCH	oklch(69.74% 0.144 259.6)
XYZ	xyz(34.1652, 33.5896, 91.8539)
Luminance	0.3359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DF6 #F6BF66

analogous

#66E5F6 #669DF6 #7766F6

triadic

#669DF6 #F6669D #9DF666

tetradic

#669DF6 #F666E5 #F6BF66 #66F677

square

#669DF6 #F666E5 #F6BF66 #66F677

split-complementary

#669DF6 #F67766 #E5F666

monochromatic

#0D59D5 #2C78F3 #669DF6 #A0C2F9 #DAE7FD

Accessibility & contrast

On white

2.72

#669DF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#669DF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DF6

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DF6	#FFFFFF	#000000	##000000
##669DF6	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A4FA

Deuteranopia (green-blind)

#6597F4

Tritanopia (blue-blind)

#00B1BE

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669df6;
/* rgb */ color: rgb(102, 157, 246);
/* oklch */ color: oklch(69.7% 0.144 259.6);

Tailwind

colors: {
  custom: {
    50: '#9cb9f9',
    500: '#669df6',
    950: '#000000',
  },
}

SCSS

$custom: #669df6;
$custom-light: #9cb9f9;
$custom-dark: #000000;

JSON

{
  "hex": "#669df6",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 246
  },
  "hsl": {
    "h": 217.083,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.69738,
    "c": 0.1439,
    "h": 259.6
  },
  "luminance": 0.33593
}

Semantic roles & 50–950 ramp

primary

#669DF6

secondary

#F2E1C6

accent

#8E00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669DF6

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

Preview Lab → · Contrast checker → · Palette generator →