#669FF0#669FF0

#669FF0 is a light, vivid blue. Relative luminance 0.339; OKLCH L 69.8% C 0.134 H 257.3°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#669FF0
RGB	rgb(102, 159, 240)
HSL	hsl(215, 82%, 67%)
HSV	hsv(215, 58%, 94%)
CMYK	cmyk(57.5%, 33.8%, 0%, 5.9%)
CIE-LAB	lab(64.89, 4.87, -46.26)
CIE-LCH	lch(64.89, 46.52, 276.01°)
OKLab	oklab(69.84% -0.0295 -0.1308)
OKLCH	oklch(69.84% 0.134 257.3)
XYZ	xyz(33.6003, 33.9095, 87.1957)
Luminance	0.3391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FF0 #F0B766

analogous

#66E4F0 #669FF0 #7266F0

triadic

#669FF0 #F0669F #9FF066

tetradic

#669FF0 #F066E4 #F0B766 #66F072

square

#669FF0 #F066E4 #F0B766 #66F072

split-complementary

#669FF0 #F07266 #E4F066

monochromatic

#145EC8 #2E7CEB #669FF0 #9EC2F5 #D5E5FB

Accessibility & contrast

On white

2.70

#669FF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#669FF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FF0

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FF0	#FFFFFF	#000000	##000000
##669FF0	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA5F3

Deuteranopia (green-blind)

#6C97EE

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669ff0;
/* rgb */ color: rgb(102, 159, 240);
/* oklch */ color: oklch(69.8% 0.134 257.3);

Tailwind

colors: {
  custom: {
    50: '#9bbbf5',
    500: '#669ff0',
    950: '#000000',
  },
}

SCSS

$custom: #669ff0;
$custom-light: #9bbbf5;
$custom-dark: #000000;

JSON

{
  "hex": "#669ff0",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 240
  },
  "hsl": {
    "h": 215.217,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.69842,
    "c": 0.13405,
    "h": 257.3
  },
  "luminance": 0.33912
}

Semantic roles & 50–950 ramp

primary

#669FF0

secondary

#EFDDC3

accent

#8507DF

background

#FAFBFF

surface

#F4F6FE

border

#CED0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FF0

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

Preview Lab → · Contrast checker → · Palette generator →