#669EB0#669EB0

#669EB0 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.7% C 0.064 H 220.2°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#669EB0
RGB	rgb(102, 158, 176)
HSL	hsl(195, 32%, 55%)
HSV	hsv(195, 42%, 69%)
CMYK	cmyk(42%, 10.2%, 0%, 31%)
CIE-LAB	lab(62.01, -13.59, -15.13)
CIE-LCH	lch(62.01, 20.34, 228.07°)
OKLab	oklab(66.71% -0.0492 -0.0416)
OKLCH	oklch(66.71% 0.064 220.2)
XYZ	xyz(25.5400, 30.4113, 45.5900)
Luminance	0.3041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EB0 #B07866

analogous

#66B09D #669EB0 #6679B0

triadic

#669EB0 #B0669E #9EB066

tetradic

#669EB0 #9D66B0 #B07866 #79B066

square

#669EB0 #9D66B0 #B07866 #79B066

split-complementary

#669EB0 #B06679 #B09D66

monochromatic

#355B67 #4A7E8F #669EB0 #8EB8C5 #B7D1DA

Accessibility & contrast

On white

2.97

#669EB0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#669EB0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EB0

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EB0	#FFFFFF	#000000	##000000
##669EB0	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939BB1

Deuteranopia (green-blind)

#8792B0

Tritanopia (blue-blind)

#47A4A4

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669eb0;
/* rgb */ color: rgb(102, 158, 176);
/* oklch */ color: oklch(66.7% 0.064 220.2);

Tailwind

colors: {
  custom: {
    50: '#95bac7',
    500: '#669eb0',
    950: '#000000',
  },
}

SCSS

$custom: #669eb0;
$custom-light: #95bac7;
$custom-dark: #000000;

JSON

{
  "hex": "#669eb0",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 176
  },
  "hsl": {
    "h": 194.595,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66713,
    "c": 0.06445,
    "h": 220.2
  },
  "luminance": 0.30413
}

Semantic roles & 50–950 ramp

primary

#669EB0

secondary

#C9B1A9

accent

#7960C8

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669EB0

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

Preview Lab → · Contrast checker → · Palette generator →