#669FE9#669FE9

#669FE9 is a light, vivid cyan. Relative luminance 0.335; OKLCH L 69.5% C 0.125 H 255.5°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#669FE9
RGB	rgb(102, 159, 233)
HSL	hsl(214, 75%, 66%)
HSV	hsv(214, 56%, 91%)
CMYK	cmyk(56.2%, 31.8%, 0%, 8.6%)
CIE-LAB	lab(64.56, 2.66, -42.93)
CIE-LCH	lch(64.56, 43.01, 273.55°)
OKLab	oklab(69.48% -0.0313 -0.1211)
OKLCH	oklch(69.48% 0.125 255.5)
XYZ	xyz(32.5804, 33.5015, 81.8245)
Luminance	0.3350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FE9 #E9B066

analogous

#66E0E9 #669FE9 #6E66E9

triadic

#669FE9 #E9669F #9FE966

tetradic

#669FE9 #E966E0 #E9B066 #66E96E

square

#669FE9 #E966E0 #E9B066 #66E96E

split-complementary

#669FE9 #E96E66 #E0E966

monochromatic

#1B60BA #307DE1 #669FE9 #9CC1F1 #D1E2F8

Accessibility & contrast

On white

2.73

#669FE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#669FE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FE9

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FE9	#FFFFFF	#000000	##000000
##669FE9	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A3EC

Deuteranopia (green-blind)

#7097E7

Tritanopia (blue-blind)

#00B0B9

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669fe9;
/* rgb */ color: rgb(102, 159, 233);
/* oklch */ color: oklch(69.5% 0.125 255.5);

Tailwind

colors: {
  custom: {
    50: '#9abbf0',
    500: '#669fe9',
    950: '#000000',
  },
}

SCSS

$custom: #669fe9;
$custom-light: #9abbf0;
$custom-dark: #000000;

JSON

{
  "hex": "#669fe9",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 233
  },
  "hsl": {
    "h": 213.893,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.69481,
    "c": 0.12505,
    "h": 255.5
  },
  "luminance": 0.33504
}

Semantic roles & 50–950 ramp

primary

#669FE9

secondary

#EBD8C0

accent

#800ED7

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1116

muted

#7F8084

Preview Lab

Preview with #669FE9

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

Preview Lab → · Contrast checker → · Palette generator →