#669FB3#669FB3

#669FB3 is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.1% C 0.067 H 222.2°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#669FB3
RGB	rgb(102, 159, 179)
HSL	hsl(196, 34%, 55%)
HSV	hsv(196, 43%, 70%)
CMYK	cmyk(43%, 11.2%, 0%, 29.8%)
CIE-LAB	lab(62.40, -13.31, -16.22)
CIE-LCH	lch(62.40, 20.98, 230.62°)
OKLab	oklab(67.06% -0.0493 -0.0447)
OKLCH	oklch(67.06% 0.067 222.2)
XYZ	xyz(26.0114, 30.8739, 47.2277)
Luminance	0.3088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FB3 #B37A66

analogous

#66B3A0 #669FB3 #6679B3

triadic

#669FB3 #B3669F #9FB366

tetradic

#669FB3 #A066B3 #B37A66 #79B366

square

#669FB3 #A066B3 #B37A66 #79B366

split-complementary

#669FB3 #B36679 #B3A066

monochromatic

#355C6A #498093 #669FB3 #8FB9C7 #B8D2DC

Accessibility & contrast

On white

2.93

#669FB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#669FB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FB3

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FB3	#FFFFFF	#000000	##000000
##669FB3	1.00	2.93	7.18	7.18
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939CB4

Deuteranopia (green-blind)

#8893B3

Tritanopia (blue-blind)

#45A6A5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669fb3;
/* rgb */ color: rgb(102, 159, 179);
/* oklch */ color: oklch(67.1% 0.067 222.2);

Tailwind

colors: {
  custom: {
    50: '#95bbc9',
    500: '#669fb3',
    950: '#000000',
  },
}

SCSS

$custom: #669fb3;
$custom-light: #95bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#669fb3",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 179
  },
  "hsl": {
    "h": 195.584,
    "s": 33.624,
    "l": 55.098
  },
  "oklch": {
    "l": 0.6706,
    "c": 0.06651,
    "h": 222.2
  },
  "luminance": 0.30876
}

Semantic roles & 50–950 ramp

primary

#669FB3

secondary

#CBB3AA

accent

#7A5ECA

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669FB3

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

Preview Lab → · Contrast checker → · Palette generator →