#669BF6#669BF6

#669BF6 is a light, vivid blue. Relative luminance 0.329; OKLCH L 69.3% C 0.146 H 260.6°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#669BF6
RGB	rgb(102, 155, 246)
HSL	hsl(218, 89%, 68%)
HSV	hsv(218, 59%, 96%)
CMYK	cmyk(58.5%, 37%, 0%, 3.5%)
CIE-LAB	lab(64.09, 9.11, -50.81)
CIE-LCH	lch(64.09, 51.62, 280.16°)
OKLab	oklab(69.32% -0.0238 -0.1441)
OKLCH	oklch(69.32% 0.146 260.6)
XYZ	xyz(33.8296, 32.9184, 91.7420)
Luminance	0.3292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BF6 #F6C166

analogous

#66E3F6 #669BF6 #7966F6

triadic

#669BF6 #F6669B #9BF666

tetradic

#669BF6 #F666E3 #F6C166 #66F679

square

#669BF6 #F666E3 #F6C166 #66F679

split-complementary

#669BF6 #F67966 #E3F666

monochromatic

#0D56D5 #2C75F3 #669BF6 #A0C1F9 #DAE7FD

Accessibility & contrast

On white

2.77

#669BF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#669BF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BF6

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BF6	#FFFFFF	#000000	##000000
##669BF6	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A3FA

Deuteranopia (green-blind)

#6195F4

Tritanopia (blue-blind)

#00AFBD

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669bf6;
/* rgb */ color: rgb(102, 155, 246);
/* oklch */ color: oklch(69.3% 0.146 260.6);

Tailwind

colors: {
  custom: {
    50: '#9cb8f9',
    500: '#669bf6',
    950: '#000000',
  },
}

SCSS

$custom: #669bf6;
$custom-light: #9cb8f9;
$custom-dark: #000000;

JSON

{
  "hex": "#669bf6",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 246
  },
  "hsl": {
    "h": 217.917,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.69318,
    "c": 0.14602,
    "h": 260.6
  },
  "luminance": 0.32921
}

Semantic roles & 50–950 ramp

primary

#669BF6

secondary

#F2E2C6

accent

#9100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669BF6

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

Preview Lab → · Contrast checker → · Palette generator →