#669BF5#669BF5

#669BF5 is a light, vivid blue. Relative luminance 0.329; OKLCH L 69.3% C 0.145 H 260.4°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#669BF5
RGB	rgb(102, 155, 245)
HSL	hsl(218, 88%, 68%)
HSV	hsv(218, 58%, 96%)
CMYK	cmyk(58.4%, 36.7%, 0%, 3.9%)
CIE-LAB	lab(64.05, 8.78, -50.34)
CIE-LCH	lch(64.05, 51.10, 279.90°)
OKLab	oklab(69.26% -0.0241 -0.1427)
OKLCH	oklch(69.26% 0.145 260.4)
XYZ	xyz(33.6765, 32.8572, 90.9359)
Luminance	0.3286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BF5 #F5C066

analogous

#66E3F5 #669BF5 #7866F5

triadic

#669BF5 #F5669B #9BF566

tetradic

#669BF5 #F566E3 #F5C066 #66F578

square

#669BF5 #F566E3 #F5C066 #66F578

split-complementary

#669BF5 #F57866 #E3F566

monochromatic

#0E57D3 #2D75F1 #669BF5 #9FC1F9 #D9E6FD

Accessibility & contrast

On white

2.77

#669BF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#669BF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BF5

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BF5	#FFFFFF	#000000	##000000
##669BF5	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A2F9

Deuteranopia (green-blind)

#6295F3

Tritanopia (blue-blind)

#00AFBC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669bf5;
/* rgb */ color: rgb(102, 155, 245);
/* oklch */ color: oklch(69.3% 0.145 260.4);

Tailwind

colors: {
  custom: {
    50: '#9cb8f9',
    500: '#669bf5',
    950: '#000000',
  },
}

SCSS

$custom: #669bf5;
$custom-light: #9cb8f9;
$custom-dark: #000000;

JSON

{
  "hex": "#669bf5",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 245
  },
  "hsl": {
    "h": 217.762,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.69263,
    "c": 0.14471,
    "h": 260.4
  },
  "luminance": 0.3286
}

Semantic roles & 50–950 ramp

primary

#669BF5

secondary

#F1E1C6

accent

#9001E4

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669BF5

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

Preview Lab → · Contrast checker → · Palette generator →