#669FF5#669FF5

#669FF5 is a light, vivid blue. Relative luminance 0.342; OKLCH L 70.1% C 0.141 H 258.4°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#669FF5
RGB	rgb(102, 159, 245)
HSL	hsl(216, 88%, 68%)
HSV	hsv(216, 58%, 96%)
CMYK	cmyk(58.4%, 35.1%, 0%, 3.9%)
CIE-LAB	lab(65.13, 6.47, -48.62)
CIE-LCH	lch(65.13, 49.05, 277.57°)
OKLab	oklab(70.11% -0.0283 -0.1376)
OKLCH	oklch(70.11% 0.141 258.4)
XYZ	xyz(34.3533, 34.2107, 91.1615)
Luminance	0.3421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FF5 #F5BC66

analogous

#66E6F5 #669FF5 #7466F5

triadic

#669FF5 #F5669F #9FF566

tetradic

#669FF5 #F566E6 #F5BC66 #66F574

square

#669FF5 #F566E6 #F5BC66 #66F574

split-complementary

#669FF5 #F57466 #E6F566

monochromatic

#0E5CD3 #2D7BF1 #669FF5 #9FC3F9 #D9E7FD

Accessibility & contrast

On white

2.68

#669FF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#669FF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FF5

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FF5	#FFFFFF	#000000	##000000
##669FF5	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA5F9

Deuteranopia (green-blind)

#6898F3

Tritanopia (blue-blind)

#00B2BE

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669ff5;
/* rgb */ color: rgb(102, 159, 245);
/* oklch */ color: oklch(70.1% 0.141 258.4);

Tailwind

colors: {
  custom: {
    50: '#9cbbf9',
    500: '#669ff5',
    950: '#000000',
  },
}

SCSS

$custom: #669ff5;
$custom-light: #9cbbf9;
$custom-dark: #000000;

JSON

{
  "hex": "#669ff5",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 245
  },
  "hsl": {
    "h": 216.084,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.70106,
    "c": 0.14052,
    "h": 258.4
  },
  "luminance": 0.34214
}

Semantic roles & 50–950 ramp

primary

#669FF5

secondary

#F1E0C6

accent

#8A01E4

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FF5

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

Preview Lab → · Contrast checker → · Palette generator →