#669EB6#669EB6

#669EB6 is a light, moderate cyan. Relative luminance 0.307; OKLCH L 66.9% C 0.069 H 227.0°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#669EB6
RGB	rgb(102, 158, 182)
HSL	hsl(198, 35%, 56%)
HSV	hsv(198, 44%, 71%)
CMYK	cmyk(44%, 13.2%, 0%, 28.6%)
CIE-LAB	lab(62.21, -11.95, -18.19)
CIE-LCH	lch(62.21, 21.76, 236.70°)
OKLab	oklab(66.95% -0.0468 -0.0502)
OKLCH	oklch(66.95% 0.069 227)
XYZ	xyz(26.1469, 30.6541, 48.7859)
Luminance	0.3066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EB6 #B67E66

analogous

#66B6A6 #669EB6 #6676B6

triadic

#669EB6 #B6669E #9EB666

tetradic

#669EB6 #A666B6 #B67E66 #76B666

square

#669EB6 #A666B6 #B67E66 #76B666

split-complementary

#669EB6 #B66676 #B6A666

monochromatic

#345C6D #487F97 #669EB6 #8FB8CA #B9D3DE

Accessibility & contrast

On white

2.94

#669EB6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#669EB6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EB6

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EB6	#FFFFFF	#000000	##000000
##669EB6	1.00	2.94	7.13	7.13
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919CB7

Deuteranopia (green-blind)

#8592B6

Tritanopia (blue-blind)

#43A5A6

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669eb6;
/* rgb */ color: rgb(102, 158, 182);
/* oklch */ color: oklch(66.9% 0.069 227.0);

Tailwind

colors: {
  custom: {
    50: '#96bacc',
    500: '#669eb6',
    950: '#000000',
  },
}

SCSS

$custom: #669eb6;
$custom-light: #96bacc;
$custom-dark: #000000;

JSON

{
  "hex": "#669eb6",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 182
  },
  "hsl": {
    "h": 198,
    "s": 35.398,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66946,
    "c": 0.06867,
    "h": 227
  },
  "luminance": 0.30656
}

Semantic roles & 50–950 ramp

primary

#669EB6

secondary

#CDB5AB

accent

#7E5CCB

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669EB6

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

Preview Lab → · Contrast checker → · Palette generator →