#669EE9#669EE9

#669EE9 is a light, vivid cyan. Relative luminance 0.332; OKLCH L 69.3% C 0.126 H 256.1°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#669EE9
RGB	rgb(102, 158, 233)
HSL	hsl(214, 75%, 66%)
HSV	hsv(214, 56%, 91%)
CMYK	cmyk(56.2%, 32.2%, 0%, 8.6%)
CIE-LAB	lab(64.29, 3.24, -43.36)
CIE-LCH	lch(64.29, 43.48, 274.27°)
OKLab	oklab(69.27% -0.0302 -0.1223)
OKLCH	oklch(69.27% 0.126 256.1)
XYZ	xyz(32.4092, 33.1590, 81.7674)
Luminance	0.3316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EE9 #E9B166

analogous

#66DFE9 #669EE9 #6F66E9

triadic

#669EE9 #E9669E #9EE966

tetradic

#669EE9 #E966DF #E9B166 #66E96F

square

#669EE9 #E966DF #E9B166 #66E96F

split-complementary

#669EE9 #E96F66 #DFE966

monochromatic

#1B5FBA #307CE1 #669EE9 #9CC0F1 #D1E2F8

Accessibility & contrast

On white

2.75

#669EE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#669EE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EE9

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EE9	#FFFFFF	#000000	##000000
##669EE9	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA3EC

Deuteranopia (green-blind)

#6E96E7

Tritanopia (blue-blind)

#00AFB9

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669ee9;
/* rgb */ color: rgb(102, 158, 233);
/* oklch */ color: oklch(69.3% 0.126 256.1);

Tailwind

colors: {
  custom: {
    50: '#9abaf0',
    500: '#669ee9',
    950: '#000000',
  },
}

SCSS

$custom: #669ee9;
$custom-light: #9abaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#669ee9",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 233
  },
  "hsl": {
    "h": 214.351,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.69266,
    "c": 0.126,
    "h": 256.1
  },
  "luminance": 0.33162
}

Semantic roles & 50–950 ramp

primary

#669EE9

secondary

#EBD9C0

accent

#810ED7

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1116

muted

#7F8084

Preview Lab

Preview with #669EE9

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

Preview Lab → · Contrast checker → · Palette generator →