#669DB6#669DB6

#669DB6 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.7% C 0.069 H 228.4°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#669DB6
RGB	rgb(102, 157, 182)
HSL	hsl(199, 35%, 56%)
HSV	hsv(199, 44%, 71%)
CMYK	cmyk(44%, 13.7%, 0%, 28.6%)
CIE-LAB	lab(61.92, -11.40, -18.63)
CIE-LCH	lch(61.92, 21.84, 238.53°)
OKLab	oklab(66.72% -0.0456 -0.0514)
OKLCH	oklch(66.72% 0.069 228.4)
XYZ	xyz(25.9770, 30.3143, 48.7293)
Luminance	0.3032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DB6 #B67F66

analogous

#66B6A7 #669DB6 #6675B6

triadic

#669DB6 #B6669D #9DB666

tetradic

#669DB6 #A766B6 #B67F66 #75B666

square

#669DB6 #A766B6 #B67F66 #75B666

split-complementary

#669DB6 #B66675 #B6A766

monochromatic

#345C6D #487E97 #669DB6 #8FB8CA #B9D2DE

Accessibility & contrast

On white

2.97

#669DB6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#669DB6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DB6

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DB6	#FFFFFF	#000000	##000000
##669DB6	1.00	2.97	7.06	7.06
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.06	21.00	1.00	1.00
##000000	7.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909BB7

Deuteranopia (green-blind)

#8492B6

Tritanopia (blue-blind)

#44A4A5

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669db6;
/* rgb */ color: rgb(102, 157, 182);
/* oklch */ color: oklch(66.7% 0.069 228.4);

Tailwind

colors: {
  custom: {
    50: '#96bacc',
    500: '#669db6',
    950: '#000000',
  },
}

SCSS

$custom: #669db6;
$custom-light: #96bacc;
$custom-dark: #000000;

JSON

{
  "hex": "#669db6",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 182
  },
  "hsl": {
    "h": 198.75,
    "s": 35.398,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66716,
    "c": 0.06876,
    "h": 228.4
  },
  "luminance": 0.30316
}

Semantic roles & 50–950 ramp

primary

#669DB6

secondary

#CDB6AB

accent

#7F5CCB

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669DB6

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

Preview Lab → · Contrast checker → · Palette generator →