#669BB9#669BB9

#669BB9 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.072 H 234.2°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#669BB9
RGB	rgb(102, 155, 185)
HSL	hsl(202, 37%, 56%)
HSV	hsv(202, 45%, 73%)
CMYK	cmyk(44.9%, 16.2%, 0%, 27.5%)
CIE-LAB	lab(61.45, -9.47, -21.03)
CIE-LCH	lch(61.45, 23.07, 245.77°)
OKLab	oklab(66.38% -0.042 -0.0582)
OKLCH	oklch(66.38% 0.072 234.2)
XYZ	xyz(25.9547, 29.7684, 50.2677)
Luminance	0.2977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BB9 #B98466

analogous

#66B9AE #669BB9 #6672B9

triadic

#669BB9 #B9669B #9BB966

tetradic

#669BB9 #AE66B9 #B98466 #72B966

square

#669BB9 #AE66B9 #B98466 #72B966

split-complementary

#669BB9 #B96672 #B9AE66

monochromatic

#345B71 #477D9B #669BB9 #90B6CC #BAD2DF

Accessibility & contrast

On white

3.02

#669BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#669BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BB9

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BB9	#FFFFFF	#000000	##000000
##669BB9	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9ABB

Deuteranopia (green-blind)

#8190B9

Tritanopia (blue-blind)

#42A3A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669bb9;
/* rgb */ color: rgb(102, 155, 185);
/* oklch */ color: oklch(66.4% 0.072 234.2);

Tailwind

colors: {
  custom: {
    50: '#96b8ce',
    500: '#669bb9',
    950: '#000000',
  },
}

SCSS

$custom: #669bb9;
$custom-light: #96b8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#669bb9",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 185
  },
  "hsl": {
    "h": 201.687,
    "s": 37.22,
    "l": 56.275
  },
  "oklch": {
    "l": 0.66378,
    "c": 0.07179,
    "h": 234.2
  },
  "luminance": 0.2977
}

Semantic roles & 50–950 ramp

primary

#669BB9

secondary

#CEB9AC

accent

#845BCD

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669BB9

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

Preview Lab → · Contrast checker → · Palette generator →