#666E84#666E84

#666E84 is a mid, muted blue. Relative luminance 0.156; OKLCH L 54.0% C 0.036 H 269.5°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#666E84
RGB	rgb(102, 110, 132)
HSL	hsl(224, 13%, 46%)
HSV	hsv(224, 23%, 52%)
CMYK	cmyk(22.7%, 16.7%, 0%, 48.2%)
CIE-LAB	lab(46.50, 2.11, -13.12)
CIE-LCH	lch(46.50, 13.29, 279.13°)
OKLab	oklab(53.95% -0.0003 -0.0358)
OKLCH	oklch(53.95% 0.036 269.5)
XYZ	xyz(15.2192, 15.6422, 24.0427)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E84 #847C66

analogous

#667D84 #666E84 #6D6684

triadic

#666E84 #84666E #6E8466

tetradic

#666E84 #84667D #847C66 #66846D

square

#666E84 #84667D #847C66 #66846D

split-complementary

#666E84 #846D66 #7D8466

monochromatic

#31343F #4B5161 #666E84 #868DA1 #A8AEBC

Accessibility & contrast

On white

5.09

#666E84 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#666E84 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E84

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E84	#FFFFFF	#000000	##FFFFFF
##666E84	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687085

Deuteranopia (green-blind)

#656D83

Tritanopia (blue-blind)

#5F7275

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #666e84;
/* rgb */ color: rgb(102, 110, 132);
/* oklch */ color: oklch(54.0% 0.036 269.5);

Tailwind

colors: {
  custom: {
    50: '#9297a7',
    500: '#666e84',
    950: '#000000',
  },
}

SCSS

$custom: #666e84;
$custom-light: #9297a7;
$custom-dark: #000000;

JSON

{
  "hex": "#666e84",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 132
  },
  "hsl": {
    "h": 224,
    "s": 12.821,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53951,
    "c": 0.03581,
    "h": 269.5
  },
  "luminance": 0.15643
}

Semantic roles & 50–950 ramp

primary

#666E84

secondary

#ABA79B

accent

#A472B6

background

#F9F9FA

surface

#F1F2F4

border

#CBCCCE

text

#0D0D0F

muted

#7E7E7F

Preview Lab

Preview with #666E84

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

Preview Lab → · Contrast checker → · Palette generator →