#669BC8#669BC8

#669BC8 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 67.0% C 0.088 H 245.2°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#669BC8
RGB	rgb(102, 155, 200)
HSL	hsl(208, 47%, 59%)
HSV	hsv(208, 49%, 78%)
CMYK	cmyk(49%, 22.5%, 0%, 21.6%)
CIE-LAB	lab(62.03, -5.14, -28.57)
CIE-LCH	lch(62.03, 29.03, 259.80°)
OKLab	oklab(67.02% -0.0367 -0.0796)
OKLCH	oklch(67.02% 0.088 245.2)
XYZ	xyz(27.6225, 30.4356, 59.0514)
Luminance	0.3044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BC8 #C89366

analogous

#66C8C4 #669BC8 #666AC8

triadic

#669BC8 #C8669B #9BC866

tetradic

#669BC8 #C466C8 #C89366 #6AC866

square

#669BC8 #C466C8 #C89366 #6AC866

split-complementary

#669BC8 #C8666A #C8C466

monochromatic

#2F5D84 #407DB1 #669BC8 #93B8D8 #C0D6E8

Accessibility & contrast

On white

2.96

#669BC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#669BC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BC8

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BC8	#FFFFFF	#000000	##000000
##669BC8	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCA

Deuteranopia (green-blind)

#7B91C7

Tritanopia (blue-blind)

#37A6AA

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669bc8;
/* rgb */ color: rgb(102, 155, 200);
/* oklch */ color: oklch(67.0% 0.088 245.2);

Tailwind

colors: {
  custom: {
    50: '#97b8d9',
    500: '#669bc8',
    950: '#000000',
  },
}

SCSS

$custom: #669bc8;
$custom-light: #97b8d9;
$custom-dark: #000000;

JSON

{
  "hex": "#669bc8",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 200
  },
  "hsl": {
    "h": 207.551,
    "s": 47.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67022,
    "c": 0.0877,
    "h": 245.2
  },
  "luminance": 0.30438
}

Semantic roles & 50–950 ramp

primary

#669BC8

secondary

#D8C3B2

accent

#8E51D7

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669BC8

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

Preview Lab → · Contrast checker → · Palette generator →