#669DB0#669DB0

#669DB0 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.5% C 0.064 H 221.8°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#669DB0
RGB	rgb(102, 157, 176)
HSL	hsl(195, 32%, 55%)
HSV	hsv(195, 42%, 69%)
CMYK	cmyk(42%, 10.8%, 0%, 31%)
CIE-LAB	lab(61.72, -13.05, -15.57)
CIE-LCH	lch(61.72, 20.31, 230.03°)
OKLab	oklab(66.48% -0.0479 -0.0429)
OKLCH	oklch(66.48% 0.064 221.8)
XYZ	xyz(25.3702, 30.0716, 45.5334)
Luminance	0.3007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DB0 #B07966

analogous

#66B09E #669DB0 #6678B0

triadic

#669DB0 #B0669D #9DB066

tetradic

#669DB0 #9E66B0 #B07966 #78B066

square

#669DB0 #9E66B0 #B07966 #78B066

split-complementary

#669DB0 #B06678 #B09E66

monochromatic

#355A67 #4A7D8F #669DB0 #8EB7C5 #B7D1DA

Accessibility & contrast

On white

2.99

#669DB0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#669DB0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DB0

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DB0	#FFFFFF	#000000	##000000
##669DB0	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929AB1

Deuteranopia (green-blind)

#8691B0

Tritanopia (blue-blind)

#47A3A3

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669db0;
/* rgb */ color: rgb(102, 157, 176);
/* oklch */ color: oklch(66.5% 0.064 221.8);

Tailwind

colors: {
  custom: {
    50: '#95bac7',
    500: '#669db0',
    950: '#000000',
  },
}

SCSS

$custom: #669db0;
$custom-light: #95bac7;
$custom-dark: #000000;

JSON

{
  "hex": "#669db0",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 176
  },
  "hsl": {
    "h": 195.405,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66481,
    "c": 0.06431,
    "h": 221.8
  },
  "luminance": 0.30073
}

Semantic roles & 50–950 ramp

primary

#669DB0

secondary

#C9B1A9

accent

#7B60C8

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #669DB0

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

Preview Lab → · Contrast checker → · Palette generator →