#669FFA#669FFA

#669FFA is a light, vivid blue. Relative luminance 0.345; OKLCH L 70.4% C 0.147 H 259.4°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#669FFA
RGB	rgb(102, 159, 250)
HSL	hsl(217, 94%, 69%)
HSV	hsv(217, 59%, 98%)
CMYK	cmyk(59.2%, 36.4%, 0%, 2%)
CIE-LAB	lab(65.37, 8.07, -50.97)
CIE-LCH	lch(65.37, 51.60, 278.99°)
OKLab	oklab(70.38% -0.0271 -0.1445)
OKLCH	oklch(70.38% 0.147 259.4)
XYZ	xyz(35.1269, 34.5201, 95.2359)
Luminance	0.3452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FFA #FAC166

analogous

#66E9FA #669FFA #7766FA

triadic

#669FFA #FA669F #9FFA66

tetradic

#669FFA #FA66E9 #FAC166 #66FA77

square

#669FFA #FA66E9 #FAC166 #66FA77

split-complementary

#669FFA #FA7766 #E9FA66

monochromatic

#075ADE #2B7AF8 #669FFA #A1C4FC #DDE9FE

Accessibility & contrast

On white

2.66

#669FFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#669FFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FFA

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FFA	#FFFFFF	#000000	##000000
##669FFA	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A6FE

Deuteranopia (green-blind)

#6598F8

Tritanopia (blue-blind)

#00B3C1

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #669ffa;
/* rgb */ color: rgb(102, 159, 250);
/* oklch */ color: oklch(70.4% 0.147 259.4);

Tailwind

colors: {
  custom: {
    50: '#9dbbfc',
    500: '#669ffa',
    950: '#000000',
  },
}

SCSS

$custom: #669ffa;
$custom-light: #9dbbfc;
$custom-dark: #000000;

JSON

{
  "hex": "#669ffa",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 250
  },
  "hsl": {
    "h": 216.892,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.70376,
    "c": 0.14702,
    "h": 259.4
  },
  "luminance": 0.34523
}

Semantic roles & 50–950 ramp

primary

#669FFA

secondary

#F4E3C8

accent

#8D00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FFA

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

Preview Lab → · Contrast checker → · Palette generator →