#66718C#66718C

#66718C is a mid, muted blue. Relative luminance 0.165; OKLCH L 55.0% C 0.044 H 267.6°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#66718C
RGBrgb(102, 113, 140)
HSLhsl(223, 16%, 47%)
HSVhsv(223, 27%, 55%)
CMYKcmyk(27.1%, 19.3%, 0%, 45.1%)
CIE-LABlab(47.66, 2.35, -16.12)
CIE-LCHlch(47.66, 16.29, 278.31°)
OKLaboklab(54.96% -0.0019 -0.0442)
OKLCHoklch(54.96% 0.044 267.6)
XYZxyz(16.1170, 16.5280, 27.1469)
Luminance0.1653 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66718C #8C8166
analogous
#66848C #66718C #6E668C
triadic
#66718C #8C6671 #718C66
tetradic
#66718C #8C6684 #8C8166 #668C6E
square
#66718C #8C6684 #8C8166 #668C6E
split-complementary
#66718C #8C6E66 #848C66
monochromatic
#323845 #4C5469 #66718C #8791A8 #ABB1C2

Accessibility & contrast

On white

4.88
#66718C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#66718C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66718C
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66718C#FFFFFF#000000##FFFFFF
##66718C1.004.884.314.88
#FFFFFF4.881.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#69738D
Deuteranopia (green-blind)
#65708B
Tritanopia (blue-blind)
#5C767A
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #66718c;
/* rgb */ color: rgb(102, 113, 140);
/* oklch */ color: oklch(55.0% 0.044 267.6);
Tailwind
colors: {
  custom: {
    50: '#9299ad',
    500: '#66718c',
    950: '#000000',
  },
}
SCSS
$custom: #66718c;
$custom-light: #9299ad;
$custom-dark: #000000;
JSON
{
  "hex": "#66718c",
  "rgb": {
    "r": 102,
    "g": 113,
    "b": 140
  },
  "hsl": {
    "h": 222.632,
    "s": 15.702,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54956,
    "c": 0.04426,
    "h": 267.6
  },
  "luminance": 0.16528
}

Semantic roles & 50–950 ramp

primary
#66718C
secondary
#B1AB9D
accent
#A36FB8
background
#F9F9FA
surface
#F1F2F4
border
#CBCCCE
text
#0D0E10
muted
#7E7E7F

Preview Lab

Preview with #66718C

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

Preview Lab → · Contrast checker → · Palette generator →

#66718C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva