#669FC8#669FC8

#669FC8 is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.9% C 0.085 H 240.9°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#669FC8
RGB	rgb(102, 159, 200)
HSL	hsl(205, 47%, 59%)
HSV	hsv(205, 49%, 78%)
CMYK	cmyk(49%, 20.5%, 0%, 21.6%)
CIE-LAB	lab(63.17, -7.37, -26.81)
CIE-LCH	lch(63.17, 27.80, 254.63°)
OKLab	oklab(67.92% -0.0415 -0.0746)
OKLCH	oklch(67.92% 0.085 240.9)
XYZ	xyz(28.2993, 31.7891, 59.2770)
Luminance	0.3179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FC8 #C88F66

analogous

#66C8C0 #669FC8 #666EC8

triadic

#669FC8 #C8669F #9FC866

tetradic

#669FC8 #C066C8 #C88F66 #6EC866

square

#669FC8 #C066C8 #C88F66 #6EC866

split-complementary

#669FC8 #C8666E #C8C066

monochromatic

#2F6184 #4082B1 #669FC8 #93BBD8 #C0D7E8

Accessibility & contrast

On white

2.85

#669FC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#669FC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FC8

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FC8	#FFFFFF	#000000	##000000
##669FC8	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9FCA

Deuteranopia (green-blind)

#8094C7

Tritanopia (blue-blind)

#36A9AD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669fc8;
/* rgb */ color: rgb(102, 159, 200);
/* oklch */ color: oklch(67.9% 0.085 240.9);

Tailwind

colors: {
  custom: {
    50: '#97bbd8',
    500: '#669fc8',
    950: '#000000',
  },
}

SCSS

$custom: #669fc8;
$custom-light: #97bbd8;
$custom-dark: #000000;

JSON

{
  "hex": "#669fc8",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 200
  },
  "hsl": {
    "h": 205.102,
    "s": 47.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67923,
    "c": 0.08538,
    "h": 240.9
  },
  "luminance": 0.31791
}

Semantic roles & 50–950 ramp

primary

#669FC8

secondary

#D8C2B2

accent

#8951D7

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669FC8

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

Preview Lab → · Contrast checker → · Palette generator →