#66909F#66909F

#66909F is a light, muted cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.051 H 222.1°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#66909F
RGB	rgb(102, 144, 159)
HSL	hsl(196, 23%, 51%)
HSV	hsv(196, 36%, 62%)
CMYK	cmyk(35.8%, 9.4%, 0%, 37.6%)
CIE-LAB	lab(57.34, -10.49, -12.52)
CIE-LCH	lch(57.34, 16.33, 230.04°)
OKLab	oklab(62.81% -0.038 -0.0343)
OKLCH	oklch(62.81% 0.051 222.1)
XYZ	xyz(21.7087, 25.2733, 36.5285)
Luminance	0.2527 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66909F #9F7566

analogous

#669F91 #66909F #66739F

triadic

#66909F #9F6690 #909F66

tetradic

#66909F #91669F #9F7566 #739F66

square

#66909F #91669F #9F7566 #739F66

split-complementary

#66909F #9F6673 #9F9166

monochromatic

#354D55 #4D6F7B #66909F #8CABB7 #B1C7CE

Accessibility & contrast

On white

3.47

#66909F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#66909F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66909F

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66909F	#FFFFFF	#000000	##000000
##66909F	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#878EA0

Deuteranopia (green-blind)

#7E879F

Tritanopia (blue-blind)

#529595

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #66909f;
/* rgb */ color: rgb(102, 144, 159);
/* oklch */ color: oklch(62.8% 0.051 222.1);

Tailwind

colors: {
  custom: {
    50: '#94b0bb',
    500: '#66909f',
    950: '#000000',
  },
}

SCSS

$custom: #66909f;
$custom-light: #94b0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66909f",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 159
  },
  "hsl": {
    "h": 195.789,
    "s": 22.892,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62813,
    "c": 0.05118,
    "h": 222.1
  },
  "luminance": 0.25275
}

Semantic roles & 50–950 ramp

primary

#66909F

secondary

#BDAAA4

accent

#7F68BF

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1011

muted

#7E7F80

Preview Lab

Preview with #66909F

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

Preview Lab → · Contrast checker → · Palette generator →