#669EC8#669EC8

#669EC8 is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.7% C 0.086 H 242.0°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#669EC8
RGB	rgb(102, 158, 200)
HSL	hsl(206, 47%, 59%)
HSV	hsv(206, 49%, 78%)
CMYK	cmyk(49%, 21%, 0%, 21.6%)
CIE-LAB	lab(62.88, -6.81, -27.25)
CIE-LCH	lch(62.88, 28.09, 255.96°)
OKLab	oklab(67.7% -0.0403 -0.0759)
OKLCH	oklch(67.7% 0.086 242)
XYZ	xyz(28.1280, 31.4465, 59.2199)
Luminance	0.3145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EC8 #C89066

analogous

#66C8C1 #669EC8 #666DC8

triadic

#669EC8 #C8669E #9EC866

tetradic

#669EC8 #C166C8 #C89066 #6DC866

square

#669EC8 #C166C8 #C89066 #6DC866

split-complementary

#669EC8 #C8666D #C8C166

monochromatic

#2F6084 #4081B1 #669EC8 #93BBD8 #C0D7E8

Accessibility & contrast

On white

2.88

#669EC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#669EC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EC8

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EC8	#FFFFFF	#000000	##000000
##669EC8	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9ECA

Deuteranopia (green-blind)

#7F94C7

Tritanopia (blue-blind)

#36A8AC

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669ec8;
/* rgb */ color: rgb(102, 158, 200);
/* oklch */ color: oklch(67.7% 0.086 242.0);

Tailwind

colors: {
  custom: {
    50: '#97bad8',
    500: '#669ec8',
    950: '#000000',
  },
}

SCSS

$custom: #669ec8;
$custom-light: #97bad8;
$custom-dark: #000000;

JSON

{
  "hex": "#669ec8",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 200
  },
  "hsl": {
    "h": 205.714,
    "s": 47.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67697,
    "c": 0.0859,
    "h": 242
  },
  "luminance": 0.31449
}

Semantic roles & 50–950 ramp

primary

#669EC8

secondary

#D8C2B2

accent

#8A51D7

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669EC8

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

Preview Lab → · Contrast checker → · Palette generator →