#66748D#66748D

#66748D is a mid, muted blue. Relative luminance 0.172; OKLCH L 55.7% C 0.042 H 262.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#66748D
RGB	rgb(102, 116, 141)
HSL	hsl(218, 16%, 48%)
HSV	hsv(218, 28%, 55%)
CMYK	cmyk(27.7%, 17.7%, 0%, 44.7%)
CIE-LAB	lab(48.56, 0.83, -15.34)
CIE-LCH	lch(48.56, 15.37, 273.10°)
OKLab	oklab(55.67% -0.0059 -0.0421)
OKLCH	oklch(55.67% 0.042 262)
XYZ	xyz(16.5313, 17.2381, 27.6504)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66748D #8D7F66

analogous

#66878D #66748D #6C668D

triadic

#66748D #8D6674 #748D66

tetradic

#66748D #8D6687 #8D7F66 #668D6C

square

#66748D #8D6687 #8D7F66 #668D6C

split-complementary

#66748D #8D6C66 #878D66

monochromatic

#333A46 #4C5769 #66748D #8893A9 #ABB3C2

Accessibility & contrast

On white

4.72

#66748D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#66748D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66748D

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66748D	#FFFFFF	#000000	##FFFFFF
##66748D	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C758E

Deuteranopia (green-blind)

#68728C

Tritanopia (blue-blind)

#5B797C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #66748d;
/* rgb */ color: rgb(102, 116, 141);
/* oklch */ color: oklch(55.7% 0.042 262.0);

Tailwind

colors: {
  custom: {
    50: '#929cae',
    500: '#66748d',
    950: '#000000',
  },
}

SCSS

$custom: #66748d;
$custom-light: #929cae;
$custom-dark: #000000;

JSON

{
  "hex": "#66748d",
  "rgb": {
    "r": 102,
    "g": 116,
    "b": 141
  },
  "hsl": {
    "h": 218.462,
    "s": 16.049,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55672,
    "c": 0.04247,
    "h": 262
  },
  "luminance": 0.17239
}

Semantic roles & 50–950 ramp

primary

#66748D

secondary

#B1AA9E

accent

#9E6FB9

background

#F9F9FA

surface

#F1F2F4

border

#CBCCCE

text

#0D0E10

muted

#7E7E7F

Preview Lab

Preview with #66748D

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

Preview Lab → · Contrast checker → · Palette generator →