#66939D#66939D

#66939D is a light, muted cyan. Relative luminance 0.261; OKLCH L 63.4% C 0.051 H 213.0°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#66939D
RGB	rgb(102, 147, 157)
HSL	hsl(191, 22%, 51%)
HSV	hsv(191, 35%, 62%)
CMYK	cmyk(35%, 6.4%, 0%, 38.4%)
CIE-LAB	lab(58.16, -12.66, -10.15)
CIE-LCH	lch(58.16, 16.23, 218.74°)
OKLab	oklab(63.44% -0.0427 -0.0278)
OKLCH	oklch(63.44% 0.051 213)
XYZ	xyz(21.9970, 26.1253, 35.7754)
Luminance	0.2613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66939D #9D7066

analogous

#669D8B #66939D #66779D

triadic

#66939D #9D6693 #939D66

tetradic

#66939D #8B669D #9D7066 #779D66

square

#66939D #8B669D #9D7066 #779D66

split-complementary

#66939D #9D6677 #9D8B66

monochromatic

#354E53 #4D7179 #66939D #8BADB5 #B1C8CD

Accessibility & contrast

On white

3.37

#66939D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#66939D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66939D

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66939D	#FFFFFF	#000000	##000000
##66939D	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B909E

Deuteranopia (green-blind)

#82899D

Tritanopia (blue-blind)

#529796

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #66939d;
/* rgb */ color: rgb(102, 147, 157);
/* oklch */ color: oklch(63.4% 0.051 213.0);

Tailwind

colors: {
  custom: {
    50: '#94b2b9',
    500: '#66939d',
    950: '#000000',
  },
}

SCSS

$custom: #66939d;
$custom-light: #94b2b9;
$custom-dark: #000000;

JSON

{
  "hex": "#66939d",
  "rgb": {
    "r": 102,
    "g": 147,
    "b": 157
  },
  "hsl": {
    "h": 190.909,
    "s": 21.912,
    "l": 50.784
  },
  "oklch": {
    "l": 0.63439,
    "c": 0.05099,
    "h": 213
  },
  "luminance": 0.26127
}

Semantic roles & 50–950 ramp

primary

#66939D

secondary

#BCA8A3

accent

#7969BE

background

#F9FAFB

surface

#F1F5F6

border

#CBCFD0

text

#0D1111

muted

#7E8080

Preview Lab

Preview with #66939D

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

Preview Lab → · Contrast checker → · Palette generator →