#66838D#66838D

#66838D is a mid, muted cyan. Relative luminance 0.210; OKLCH L 59.1% C 0.036 H 220.9°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX#66838D
RGBrgb(102, 131, 141)
HSLhsl(195, 16%, 48%)
HSVhsv(195, 28%, 55%)
CMYKcmyk(27.7%, 7.1%, 0%, 44.7%)
CIE-LABlab(52.93, -7.85, -8.76)
CIE-LCHlch(52.93, 11.76, 228.14°)
OKLaboklab(59.11% -0.0275 -0.0239)
OKLCHoklch(59.11% 0.036 220.9)
XYZxyz(18.4021, 20.9797, 28.2740)
Luminance0.2098 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66838D #8D7066
analogous
#668D83 #66838D #666F8D
triadic
#66838D #8D6683 #838D66
tetradic
#66838D #83668D #8D7066 #6F8D66
square
#66838D #83668D #8D7066 #6F8D66
split-complementary
#66838D #8D666F #8D8366
monochromatic
#334146 #4C6269 #66838D #88A0A9 #ABBCC2

Accessibility & contrast

On white

4.04
#66838D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.20
#66838D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66838D
5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66838D#FFFFFF#000000##000000
##66838D1.004.045.205.20
#FFFFFF4.041.0021.0021.00
#0000005.2021.001.001.00
##0000005.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D818E
Deuteranopia (green-blind)
#777C8D
Tritanopia (blue-blind)
#5A8686
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #66838d;
/* rgb */ color: rgb(102, 131, 141);
/* oklch */ color: oklch(59.1% 0.036 220.9);
Tailwind
colors: {
  custom: {
    50: '#92a7ae',
    500: '#66838d',
    950: '#000000',
  },
}
SCSS
$custom: #66838d;
$custom-light: #92a7ae;
$custom-dark: #000000;
JSON
{
  "hex": "#66838d",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 141
  },
  "hsl": {
    "h": 195.385,
    "s": 16.049,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59115,
    "c": 0.03642,
    "h": 220.9
  },
  "luminance": 0.2098
}

Semantic roles & 50–950 ramp

primary
#66838D
secondary
#B1A39E
accent
#826FB9
background
#F9FAFA
surface
#F1F4F4
border
#CBCECE
text
#0D0F10
muted
#7E7F7F

Preview Lab

Preview with #66838D

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

Preview Lab → · Contrast checker → · Palette generator →

#66838D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva