#669DE9#669DE9

#669DE9 is a light, vivid cyan. Relative luminance 0.328; OKLCH L 69.1% C 0.127 H 256.7°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#669DE9
RGB	rgb(102, 157, 233)
HSL	hsl(215, 75%, 66%)
HSV	hsv(215, 56%, 91%)
CMYK	cmyk(56.2%, 32.6%, 0%, 8.6%)
CIE-LAB	lab(64.01, 3.81, -43.79)
CIE-LCH	lch(64.01, 43.96, 274.97°)
OKLab	oklab(69.05% -0.0292 -0.1236)
OKLCH	oklch(69.05% 0.127 256.7)
XYZ	xyz(32.2393, 32.8192, 81.7108)
Luminance	0.3282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DE9 #E9B266

analogous

#66DEE9 #669DE9 #7066E9

triadic

#669DE9 #E9669D #9DE966

tetradic

#669DE9 #E966DE #E9B266 #66E970

square

#669DE9 #E966DE #E9B266 #66E970

split-complementary

#669DE9 #E97066 #DEE966

monochromatic

#1B5EBA #307BE1 #669DE9 #9CBFF1 #D1E2F8

Accessibility & contrast

On white

2.78

#669DE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#669DE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DE9

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DE9	#FFFFFF	#000000	##000000
##669DE9	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA2EC

Deuteranopia (green-blind)

#6D95E7

Tritanopia (blue-blind)

#00AEB8

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669de9;
/* rgb */ color: rgb(102, 157, 233);
/* oklch */ color: oklch(69.1% 0.127 256.7);

Tailwind

colors: {
  custom: {
    50: '#9ab9f0',
    500: '#669de9',
    950: '#000000',
  },
}

SCSS

$custom: #669de9;
$custom-light: #9ab9f0;
$custom-dark: #000000;

JSON

{
  "hex": "#669de9",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 233
  },
  "hsl": {
    "h": 214.809,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.69051,
    "c": 0.12698,
    "h": 256.7
  },
  "luminance": 0.32822
}

Semantic roles & 50–950 ramp

primary

#669DE9

secondary

#EBD9C0

accent

#830ED7

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1116

muted

#7F8084

Preview Lab

Preview with #669DE9

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

Preview Lab → · Contrast checker → · Palette generator →