#669FC3#669FC3

#669FC3 is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.7% C 0.080 H 237.3°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#669FC3
RGB	rgb(102, 159, 195)
HSL	hsl(203, 44%, 58%)
HSV	hsv(203, 48%, 76%)
CMYK	cmyk(47.7%, 18.5%, 0%, 23.5%)
CIE-LAB	lab(62.98, -8.82, -24.31)
CIE-LCH	lch(62.98, 25.86, 250.06°)
OKLab	oklab(67.71% -0.0433 -0.0675)
OKLCH	oklch(67.71% 0.08 237.3)
XYZ	xyz(27.7245, 31.5591, 56.2497)
Luminance	0.3156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FC3 #C38A66

analogous

#66C3B8 #669FC3 #6670C3

triadic

#669FC3 #C3669F #9FC366

tetradic

#669FC3 #B866C3 #C38A66 #70C366

square

#669FC3 #B866C3 #C38A66 #70C366

split-complementary

#669FC3 #C36670 #C3B866

monochromatic

#31607D #4282A9 #669FC3 #92BBD4 #BED6E5

Accessibility & contrast

On white

2.87

#669FC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#669FC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FC3

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FC3	#FFFFFF	#000000	##000000
##669FC3	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9EC5

Deuteranopia (green-blind)

#8294C2

Tritanopia (blue-blind)

#3AA8AB

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669fc3;
/* rgb */ color: rgb(102, 159, 195);
/* oklch */ color: oklch(67.7% 0.080 237.3);

Tailwind

colors: {
  custom: {
    50: '#97bbd5',
    500: '#669fc3',
    950: '#000000',
  },
}

SCSS

$custom: #669fc3;
$custom-light: #97bbd5;
$custom-dark: #000000;

JSON

{
  "hex": "#669fc3",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 195
  },
  "hsl": {
    "h": 203.226,
    "s": 43.662,
    "l": 58.235
  },
  "oklch": {
    "l": 0.67708,
    "c": 0.08017,
    "h": 237.3
  },
  "luminance": 0.31561
}

Semantic roles & 50–950 ramp

primary

#669FC3

secondary

#D5BEB0

accent

#8654D3

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669FC3

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

Preview Lab → · Contrast checker → · Palette generator →