#668F99#668F99

#668F99 is a light, muted cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.047 H 214.5°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#668F99
RGB	rgb(102, 143, 153)
HSL	hsl(192, 20%, 50%)
HSV	hsv(192, 33%, 60%)
CMYK	cmyk(33.3%, 6.5%, 0%, 40%)
CIE-LAB	lab(56.85, -11.49, -9.82)
CIE-LCH	lch(56.85, 15.12, 220.51°)
OKLab	oklab(62.36% -0.0391 -0.0269)
OKLCH	oklch(62.36% 0.047 214.5)
XYZ	xyz(21.0498, 24.7685, 33.8025)
Luminance	0.2477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F99 #997066

analogous

#66998A #668F99 #667599

triadic

#668F99 #99668F #8F9966

tetradic

#668F99 #8A6699 #997066 #759966

square

#668F99 #8A6699 #997066 #759966

split-complementary

#668F99 #996675 #998A66

monochromatic

#354A50 #4E6D74 #668F99 #8BAAB1 #AFC5CA

Accessibility & contrast

On white

3.53

#668F99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#668F99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F99

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F99	#FFFFFF	#000000	##000000
##668F99	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#878C9A

Deuteranopia (green-blind)

#7F8699

Tritanopia (blue-blind)

#549392

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #668f99;
/* rgb */ color: rgb(102, 143, 153);
/* oklch */ color: oklch(62.4% 0.047 214.5);

Tailwind

colors: {
  custom: {
    50: '#93afb7',
    500: '#668f99',
    950: '#000000',
  },
}

SCSS

$custom: #668f99;
$custom-light: #93afb7;
$custom-dark: #000000;

JSON

{
  "hex": "#668f99",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 153
  },
  "hsl": {
    "h": 191.765,
    "s": 20,
    "l": 50
  },
  "oklch": {
    "l": 0.62357,
    "c": 0.04741,
    "h": 214.5
  },
  "luminance": 0.2477
}

Semantic roles & 50–950 ramp

primary

#668F99

secondary

#B9A6A2

accent

#7B6BBD

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1011

muted

#7E7F80

Preview Lab

Preview with #668F99

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

Preview Lab → · Contrast checker → · Palette generator →