#668F9B#668F9B

#668F9B is a light, muted cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.048 H 217.9°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#668F9B
RGB	rgb(102, 143, 155)
HSL	hsl(194, 21%, 50%)
HSV	hsv(194, 34%, 61%)
CMYK	cmyk(34.2%, 7.7%, 0%, 39.2%)
CIE-LAB	lab(56.91, -10.98, -10.87)
CIE-LCH	lch(56.91, 15.45, 224.71°)
OKLab	oklab(62.43% -0.0382 -0.0297)
OKLCH	oklch(62.43% 0.048 217.9)
XYZ	xyz(21.2164, 24.8351, 34.6797)
Luminance	0.2484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F9B #9B7266

analogous

#669B8C #668F9B #66749B

triadic

#668F9B #9B668F #8F9B66

tetradic

#668F9B #8C669B #9B7266 #749B66

square

#668F9B #8C669B #9B7266 #749B66

split-complementary

#668F9B #9B6674 #9B8C66

monochromatic

#354B51 #4D6D76 #668F9B #8BAAB3 #B0C5CB

Accessibility & contrast

On white

3.52

#668F9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#668F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F9B

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F9B	#FFFFFF	#000000	##000000
##668F9B	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#878C9C

Deuteranopia (green-blind)

#7F869B

Tritanopia (blue-blind)

#539393

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668f9b;
/* rgb */ color: rgb(102, 143, 155);
/* oklch */ color: oklch(62.4% 0.048 217.9);

Tailwind

colors: {
  custom: {
    50: '#93afb8',
    500: '#668f9b',
    950: '#000000',
  },
}

SCSS

$custom: #668f9b;
$custom-light: #93afb8;
$custom-dark: #000000;

JSON

{
  "hex": "#668f9b",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 155
  },
  "hsl": {
    "h": 193.585,
    "s": 20.949,
    "l": 50.392
  },
  "oklch": {
    "l": 0.6243,
    "c": 0.04846,
    "h": 217.9
  },
  "luminance": 0.24836
}

Semantic roles & 50–950 ramp

primary

#668F9B

secondary

#BAA8A3

accent

#7D6ABE

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1011

muted

#7E7F80

Preview Lab

Preview with #668F9B

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

Preview Lab → · Contrast checker → · Palette generator →