#669DC8#669DC8

#669DC8 is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.5% C 0.086 H 243.1°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#669DC8
RGB	rgb(102, 157, 200)
HSL	hsl(206, 47%, 59%)
HSV	hsv(206, 49%, 78%)
CMYK	cmyk(49%, 21.5%, 0%, 21.6%)
CIE-LAB	lab(62.60, -6.26, -27.69)
CIE-LCH	lch(62.60, 28.39, 257.27°)
OKLab	oklab(67.47% -0.0391 -0.0771)
OKLCH	oklch(67.47% 0.086 243.1)
XYZ	xyz(27.9581, 31.1068, 59.1633)
Luminance	0.3111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DC8 #C89166

analogous

#66C8C2 #669DC8 #666CC8

triadic

#669DC8 #C8669D #9DC866

tetradic

#669DC8 #C266C8 #C89166 #6CC866

square

#669DC8 #C266C8 #C89166 #6CC866

split-complementary

#669DC8 #C8666C #C8C266

monochromatic

#2F5F84 #407FB1 #669DC8 #93BAD8 #C0D7E8

Accessibility & contrast

On white

2.91

#669DC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#669DC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DC8

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DC8	#FFFFFF	#000000	##000000
##669DC8	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9DCA

Deuteranopia (green-blind)

#7E93C7

Tritanopia (blue-blind)

#37A7AB

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669dc8;
/* rgb */ color: rgb(102, 157, 200);
/* oklch */ color: oklch(67.5% 0.086 243.1);

Tailwind

colors: {
  custom: {
    50: '#97b9d8',
    500: '#669dc8',
    950: '#000000',
  },
}

SCSS

$custom: #669dc8;
$custom-light: #97b9d8;
$custom-dark: #000000;

JSON

{
  "hex": "#669dc8",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 200
  },
  "hsl": {
    "h": 206.327,
    "s": 47.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67472,
    "c": 0.08647,
    "h": 243.1
  },
  "luminance": 0.31109
}

Semantic roles & 50–950 ramp

primary

#669DC8

secondary

#D8C3B2

accent

#8C51D7

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669DC8

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

Preview Lab → · Contrast checker → · Palette generator →