#66718A#66718A

#66718A is a mid, muted blue. Relative luminance 0.165; OKLCH L 54.9% C 0.041 H 266.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#66718A
RGBrgb(102, 113, 138)
HSLhsl(222, 15%, 47%)
HSVhsv(222, 26%, 54%)
CMYKcmyk(26.1%, 18.1%, 0%, 45.9%)
CIE-LABlab(47.58, 1.84, -15.05)
CIE-LCHlch(47.58, 15.16, 276.96°)
OKLaboklab(54.87% -0.0026 -0.0412)
OKLCHoklch(54.87% 0.041 266.4)
XYZxyz(15.9708, 16.4696, 26.3773)
Luminance0.1647 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66718A #8A7F66
analogous
#66838A #66718A #6D668A
triadic
#66718A #8A6671 #718A66
tetradic
#66718A #8A6683 #8A7F66 #668A6D
square
#66718A #8A6683 #8A7F66 #668A6D
split-complementary
#66718A #8A6D66 #838A66
monochromatic
#323744 #4C5467 #66718A #8791A6 #AAB1C0

Accessibility & contrast

On white

4.89
#66718A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.29
#66718A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66718A
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66718A#FFFFFF#000000##FFFFFF
##66718A1.004.894.294.89
#FFFFFF4.891.0021.001.00
#0000004.2921.001.0021.00
##FFFFFF4.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#69738B
Deuteranopia (green-blind)
#666F89
Tritanopia (blue-blind)
#5D7679
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #66718a;
/* rgb */ color: rgb(102, 113, 138);
/* oklch */ color: oklch(54.9% 0.041 266.4);
Tailwind
colors: {
  custom: {
    50: '#9299ac',
    500: '#66718a',
    950: '#000000',
  },
}
SCSS
$custom: #66718a;
$custom-light: #9299ac;
$custom-dark: #000000;
JSON
{
  "hex": "#66718a",
  "rgb": {
    "r": 102,
    "g": 113,
    "b": 138
  },
  "hsl": {
    "h": 221.667,
    "s": 15,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54872,
    "c": 0.04129,
    "h": 266.4
  },
  "luminance": 0.1647
}

Semantic roles & 50–950 ramp

primary
#66718A
secondary
#AFAA9D
accent
#A270B8
background
#F9F9FA
surface
#F1F2F4
border
#CBCCCE
text
#0D0E10
muted
#7E7E7F

Preview Lab

Preview with #66718A

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

Preview Lab → · Contrast checker → · Palette generator →

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