#668D99#668D99

#668D99 is a mid, muted cyan. Relative luminance 0.242; OKLCH L 61.9% C 0.047 H 218.8°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#668D99
RGB	rgb(102, 141, 153)
HSL	hsl(194, 20%, 50%)
HSV	hsv(194, 33%, 60%)
CMYK	cmyk(33.3%, 7.8%, 0%, 40%)
CIE-LAB	lab(56.26, -10.39, -10.70)
CIE-LCH	lch(56.26, 14.92, 225.85°)
OKLab	oklab(61.89% -0.0364 -0.0293)
OKLCH	oklch(61.89% 0.047 218.8)
XYZ	xyz(20.7523, 24.1733, 33.7033)
Luminance	0.2417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D99 #997266

analogous

#66998C #668D99 #667399

triadic

#668D99 #99668D #8D9966

tetradic

#668D99 #8C6699 #997266 #739966

square

#668D99 #8C6699 #997266 #739966

split-complementary

#668D99 #996673 #998C66

monochromatic

#354950 #4E6B74 #668D99 #8BA8B1 #AFC4CA

Accessibility & contrast

On white

3.60

#668D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#668D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D99

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D99	#FFFFFF	#000000	##000000
##668D99	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858B9A

Deuteranopia (green-blind)

#7D8499

Tritanopia (blue-blind)

#549191

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #668d99;
/* rgb */ color: rgb(102, 141, 153);
/* oklch */ color: oklch(61.9% 0.047 218.8);

Tailwind

colors: {
  custom: {
    50: '#93aeb7',
    500: '#668d99',
    950: '#000000',
  },
}

SCSS

$custom: #668d99;
$custom-light: #93aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#668d99",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 194.118,
    "s": 20,
    "l": 50
  },
  "oklch": {
    "l": 0.61889,
    "c": 0.0467,
    "h": 218.8
  },
  "luminance": 0.24174
}

Semantic roles & 50–950 ramp

primary

#668D99

secondary

#B9A7A2

accent

#7E6BBD

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1011

muted

#7E7F80

Preview Lab

Preview with #668D99

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

Preview Lab → · Contrast checker → · Palette generator →